Total 17 java developer job vacancies in Information Technology category in D06 Beach Road, High Street

The Backend Engineer is responsible for building and maintaining backend systems that are secure, scalable, and optimized for performance. You will work in a cloud‑native, Agile, and DevOps‑driven environment, collaborating with cross‑functional teams to deliver highly reliable digital services. The role combines system design, API development, engineering best practices, and continuous improvement to support mission‑critical applications.

Key Responsibilities

1. Backend Development & API Engineering

• Design and implement backend services and APIs that support high‑volume and mission‑critical digital products.
• Build cloud‑native components that are scalable, resilient, and optimized for performance.
• Improve existing backend architectures for better observability, reliability, and throughput.

2. Requirements Collaboration &Delivery

• Partner with Business Analysts and Product Managers to refine user stories and translate them into actionable engineering tasks.
• Work with QA engineers to ensure robust automated test coverage; resolve defects proactively.
• Collaborate with DevOps teams to implement automated builds, deployments, monitoring, and release workflows.

3. Engineering Quality & XPPractices

• Apply modern engineering methodologies such as Test‑Driven Development (TDD), pair programming, and continuous refactoring.
• Conduct peer reviews to maintain code quality, enforce backend standards, and detect security gaps early.
• Follow software craftsmanship principles to produce code that is clean, modular, maintainable, and efficient.

4. Architecture, Security &Documentation

• Develop and document system architecture, interface contracts, and backend operation patterns.
• Ensure all components meet government or enterprise security, compliance, and regulatory requirements.
• Apply secure coding techniques and mitigate risks such as injection attacks, insecure deserialization, and authentication vulnerabilities.

5. Optimization & PlatformReliability

• Enhance backend performance using profiling, caching, concurrency improvements, and query optimization.
• Strengthen observability through structured logs, traces, metrics, and alerting frameworks.

6. Emerging Technologies & AdvancedIntegrations

• Contribute to blockchain or smart contract development when relevant.
• Implement serverless workflows or event‑driven patterns as needed.
• Integrate with API gateways, service meshes, and authentication frameworks.

Required Technical Skills

Core Programming & Frameworks

• Competency in backend languages such as Java, Kotlin, Python, Golang, Node.js, or Ruby.
• Strong understanding of RESTful APIs, GraphQL, gRPC, and WebSocket‑based communication.

Cloud, Containers & Infrastructure

• Hands-on experience with cloud platforms including AWS, Azure, or Google Cloud.
• Proficiency with Docker, Kubernetes, and container orchestration.
• Familiarity with Infrastructure-as-Code tools such as Terraform, CloudFormation, or Pulumi.

Distributed Systems & Messaging

• Knowledge of microservices architectures and event-driven patterns.
• Practical experience with messaging systems such as Kafka or RabbitMQ.

Databases & Persistence

• Strong understanding of SQL and NoSQL systems such as PostgreSQL, MySQL, Redis, MongoDB, DynamoDB.
• Ability to tune queries, optimize data models, and manage storage performance.

DevOps & CI/CD Tooling

• Experience working with CI/CD platforms (e.g., GitHub Actions, GitLab CI, ArgoCD).
• Strong Git skills including branching strategies such as GitFlow or trunk-based development.

Testing & Automation

• Proficient with test automation frameworks such as JUnit, PyTest, Jest, Playwright.
• Comfortable implementing automated integration, unit, and contract tests.

Observability & Monitoring

• Familiarity with platforms like Prometheus, Grafana, OpenTelemetry, ELK/EFK stacks to build visibility into backend operations.

Software Engineering Practices

• Experienced working in Agile teams using Scrum or Kanban.
• Deep understanding of Extreme Programming (XP) principles including TDD, pair programming, and incremental refactoring.
• Strong commitment to writing clean, maintainable code in line with software craftsmanship values.

Qualifications

• Degree or Diploma in Computer Science, Information Technology, Computer Engineering, Electronics Engineering, or related technical disciplines.
• Relevant work experience in backend development, cloud-native engineering, distributed systems, or DevOps environments.

Please submit resumes to john@oaktree.com.sg with the following details in MS Word format:

- Position applying for

- Current remuneration

- Expected remuneration

- Notice period

John Goh Meng Chye

EA License No : 06C4642

EA Reg No : R1102621

We regret that only shortlisted candidates will be notified.

Join Our Team at Thatz International Pte Ltd

Are you ready to embrace the new opportunities in the ever-evolving landscape of technology? At Thatz International Pte Ltd,we are committed to identifying exceptional talents to drive the growth of our Next-Generation digital solutions and services in the new norm. If you're passionate about leveraging technology to make a difference, we want to hear from you!

Our CORE VALUES:

·        Integrity

·        System

·        Consistency

·        Forward Looking

·        Humanity, and

·        Environmental Friendly

Application Developer

Work Location: Central,Singapore

Job Type: 3 Years Contract,subject to renewal

About the Role:

The Application Developer will play a key role in analyzing, designing, developing, and delivering high-quality applications using web and mobile technologies. The role requires close collaboration with architects, analysts,and development teams to ensure technical cohesion and timely delivery of solutions.

Primary Responsibilities:

1. Work closely with architects and analysts to ensure cohesion between the proposed solutions and technical requirements.
2. Participate actively to the analysis and design of new functionalities and components according to development specifications.
3. Build modules and interfaces for various applications using Web and mobile technologies.
4. Participate to development meetings and share information to help with project progress.
5. Design and carry out verification tests to ensure the quality of the applications that have been developed.
6. Document the work completed as part of the project.
7. Preparation of training manuals for users.
8. Deliver the solution within the timeline with good work quality.
9. Perform other related tasks as when required.

Job Requirements:

1. A Bachelor Degree in Computer Science/Engineering, Science, IT, Engineering or related field from a recognized university.
2. A minimum of 4 years programming experience in object-oriented programming languages using C#.
3. At least 2 years of working experience on .NET MVC 5, Razor views, Web API, Entity Framework and WCF.
4. Working experience on web user interface components like Bootstrap, Kendo UI or similar components.
5. Deep functional knowledge or hands-on design experience with Web Services.
6. Experience with relational database technology including schema design, stored procedure development and SQL queries.
7. Deep expertise and hands-on experience with Web front end technologies such as HTML5, CSS, JavaScript, JQuery and AJAX.
8. A minimum of 1 year of experience in Unit testing.
9. Hands-on experience with AngularJS.
10. Experience in Agile / Scrum / CMMI methodologies (or any equivalent).
11. Exposure to SharePoint customization and familiarity with basic application security and web security is an advantage.

Howto Apply:

Ready to join Thatz? You can apply through our NextGig.Asia job portal, which is hosted by Thatz International. The job post can be easily found at https://nextgig.asia/Talents/JobSearch/External/?companyname=Thatz%20International%20Pte%20Ltd.Simply sign up and submit your application at https://nextgig.asia/ or send your resume to jointhatz@thatz.com.

Shortlisted candidates will be contacted.

Equal Opportunity Employer:

We are committed to fair employment practices and consider all applications based on merit. We encourage diversity and do not discriminate based on race, religion, gender, or any other characteristic.

Data Protection:

Your privacy matters to us. By applying to this job advertisement, you consent to the collection, usage, and/or disclosure of your personal data in compliance with the Personal Data Protection Act.

Stay Connected:

Follow us on Instagram, Facebook, LinkedIn, and Telegram to stay updated on our latest offerings and industry insights. Join our online community to explore endless possibilities with us!

Instagram: https://www.instagram.com/thatz_international

Telegram: https://t.me/EmployMebyThatz

Facebook: https://www.facebook.com/profile.php?id=100091735044533

LinkedIn: https://www.linkedin.com/in/thatz-recruiter-25234548

Stay Safe and Healthy!

Take care of yourself and those around you.

The Frontend Engineer plays a key role in building intuitive, performant, and scalable user interfaces for digital applications. The role requires strong expertise in modern front end technologies, UI/UX engineering, and software craftsmanship. You will work in an Agile, DevOps‑enabled environment, collaborating closely with product, design, QA, and engineering teams to deliver high‑quality frontend solutions that are reliable, secure, and maintainable.

Key Responsibilities

1. Frontend Development & UIEngineering

• Develop responsive, accessible, and high‑quality web interfaces using modern JavaScript frameworks and UI engineering practices.
• Implement reusable components, optimize performance, and uphold frontend architecture standards.
• Ensure user interfaces meet accessibility guidelines and deliver exceptional user experiences.

2. Collaboration & Delivery

• Partner with Business Analysts and Product Managers to refine user stories and convert them into workable technical requirements.
• Work closely with designers to translate wireframes, prototypes, and design specifications into production‑ready interfaces.
• Collaborate with DevOps engineers to automate build, testing, deployment, and release pipelines.

3. Testing, Quality & XP Practices

• Strengthen software quality through practices such as pair programming, code reviews, continuous refactoring, and unit testing.
• Collaborate with QA teams to support automated test suites and address defects proactively.
• Contribute to continuous integration and delivery workflows in an Agile environment.

4. Security & Performance

• Implement secure coding practices and address vulnerabilities such as XSS, CSRF, and other frontend security risks.
• Optimize performance through techniques such as code splitting, lazy loading, reducing re‑renders, and optimizing resource usage.
• Ensure applications adhere to web performance and security best practices.

5. Documentation & TechnicalStandards

• Document key architectural decisions, coding standards, UI patterns, and development guidelines.
• Maintain clear records of frontend best practices and contribute to internal knowledge‑sharing.

Required Skills & Experience

Core Frontend Skills

• Strong proficiency in JavaScript, TypeScript, HTML5, and CSS3.
• Hands-on experience with frameworks such as React, Next.js, Vue, Svelte, or Angular.
• Understanding of state management tools: Redux, Recoil, Zustand, MobX, or equivalents.
• Experience working with UI libraries such as Tailwind CSS, Material‑UI, Chakra UI, Bootstrap, etc.

Tooling & Engineering

• Proficiency with Git and branching strategies (GitFlow, trunk-based development).
• Experience with modern build tools like Webpack, Vite, esbuild, Parcel.
• Familiarity with modern CSS methodologies (BEM, CSS Modules, Styled Components).
• Experience using frontend testing tools such as Jest, Mocha, Jasmine, React Testing Library, Playwright.

Backend Integration

• Experience integrating REST APIs, GraphQL, and WebSockets.
• Understanding of data fetching patterns, error handling, and client‑side caching.

DevOps & CI/CD

• Familiarity with CI/CD tools such as GitHub Actions, GitLab CI, Netlify, Vercel, etc.
• Ability to collaborate with DevOps teams on automation and deployment pipelines.

Security & Performance

• Strong understanding of frontend security best practices.
• Experience optimizing application performance for scalable, production-grade applications.

Software Engineering Practices

• Experience working within Agile teams (Scrum, Kanban) with strong communication and collaboration.
• Knowledge of Extreme Programming (XP) practices, including TDD, pair programming, continuous refactoring, and incremental delivery.
• Ability to produce clean, maintainable, and well‑structured code adhering to software craftsmanship principles.

Qualifications

• Degree or Diploma in Computer Science, Information Technology, Computer Engineering, Electronics Engineering, or related disciplines.
• Strong understanding of modern web technologies and frontend architecture.

Please submit resumes to john@oaktree.com.sg with the following details in MS Word format:

- Position applying for

- Current remuneration

- Expected remuneration

- Notice period

John Goh Meng Chye

EA License No : 06C4642

EA Reg No : R1102621

We regret that only shortlisted candidates will be notified.

1.Writing scalable, robust, testable, efficient and easily maintainable code

2.Translating software requirements into stable, working, high performancesoftware

3.Ensure that software packages and programs are well documented and hasreasonable test coverage

4.Collaborate closely with other internal technical teams/business users ininvestigating, testing and deployments

5.Responsible for handling Release Management, raising Change Requests andscheduling for the implementation of fixes and enhancements.

6.Root cause analysis, management communication and client relationshipmanagement in partnership with Infrastructure Service Support team members.

7.Ensures all production changes are made in accordance with life-cyclemethodology and risk guidelines

8.Application Support, Deployment of Release, patches & fixes on Platform

9.Analyze application performance, perform tuning and ensure high availability& stability of the platform.

10.Stand as alternate Tech Lead when the Tech Lead of his squad is not available.

11.Design and develop RESTful / gRPC APIs and ensure backward compatibility andversioning strategies
12. Leverage Go concurrency patterns (goroutines, channels, context) to buildhigh-throughput and resilient services
13. Implement observability (logging, metrics, tracing) using tools such asOpenTelemetry, Prometheus, or Grafana
14. Work with distributed systems, including caching (e.g., Redis), messaging(e.g., Kafka), and database optimization
15. Participate in code reviews, enforce coding standards, and mentor juniordevelopers
16. Ensure security best practices (authentication, authorization, dataprotection) are implemented in services

Regret to inform you that only shortlisted candidates will be notified.

CEI: R1988671

EA License: 14C7275

The Backend Engineer is responsible for building and maintaining backend systems that are secure, scalable, and optimized for performance. You will work in a cloud‑native, Agile, and DevOps‑driven environment, collaborating with cross‑functional teams to deliver highly reliable digital services. The role combines system design, API development, engineering best practices, and continuous improvement to support mission‑critical applications.

Key Responsibilities

1. Backend Development & API Engineering

• Design and implement backend services and APIs that support high‑volume and mission‑critical digital products.
• Build cloud‑native components that are scalable, resilient, and optimized for performance.
• Improve existing backend architectures for better observability, reliability, and throughput.

2. Requirements Collaboration &Delivery

• Partner with Business Analysts and Product Managers to refine user stories and translate them into actionable engineering tasks.
• Work with QA engineers to ensure robust automated test coverage; resolve defects proactively.
• Collaborate with DevOps teams to implement automated builds, deployments, monitoring, and release workflows.

3. Engineering Quality & XPPractices

• Apply modern engineering methodologies such as Test‑Driven Development (TDD), pair programming, and continuous refactoring.
• Conduct peer reviews to maintain code quality, enforce backend standards, and detect security gaps early.
• Follow software craftsmanship principles to produce code that is clean, modular, maintainable, and efficient.

4. Architecture, Security &Documentation

• Develop and document system architecture, interface contracts, and backend operation patterns.
• Ensure all components meet government or enterprise security, compliance, and regulatory requirements.
• Apply secure coding techniques and mitigate risks such as injection attacks, insecure deserialization, and authentication vulnerabilities.

5. Optimization & PlatformReliability

• Enhance backend performance using profiling, caching, concurrency improvements, and query optimization.
• Strengthen observability through structured logs, traces, metrics, and alerting frameworks.

6. Emerging Technologies & AdvancedIntegrations

• Contribute to blockchain or smart contract development when relevant.
• Implement serverless workflows or event‑driven patterns as needed.
• Integrate with API gateways, service meshes, and authentication frameworks.

Required Technical Skills

Core Programming & Frameworks

• Competency in backend languages such as Java, Kotlin, Python, Golang, Node.js, or Ruby.
• Strong understanding of RESTful APIs, GraphQL, gRPC, and WebSocket‑based communication.

Cloud, Containers & Infrastructure

• Hands-on experience with cloud platforms including AWS, Azure, or Google Cloud.
• Proficiency with Docker, Kubernetes, and container orchestration.
• Familiarity with Infrastructure-as-Code tools such as Terraform, CloudFormation, or Pulumi.

Distributed Systems & Messaging

• Knowledge of microservices architectures and event-driven patterns.
• Practical experience with messaging systems such as Kafka or RabbitMQ.

Databases & Persistence

• Strong understanding of SQL and NoSQL systems such as PostgreSQL, MySQL, Redis, MongoDB, DynamoDB.
• Ability to tune queries, optimize data models, and manage storage performance.

DevOps & CI/CD Tooling

• Experience working with CI/CD platforms (e.g., GitHub Actions, GitLab CI, ArgoCD).
• Strong Git skills including branching strategies such as GitFlow or trunk-based development.

Testing & Automation

• Proficient with test automation frameworks such as JUnit, PyTest, Jest, Playwright.
• Comfortable implementing automated integration, unit, and contract tests.

Observability & Monitoring

• Familiarity with platforms like Prometheus, Grafana, OpenTelemetry, ELK/EFK stacks to build visibility into backend operations.

Software Engineering Practices

• Experienced working in Agile teams using Scrum or Kanban.
• Deep understanding of Extreme Programming (XP) principles including TDD, pair programming, and incremental refactoring.
• Strong commitment to writing clean, maintainable code in line with software craftsmanship values.

Qualifications

• Degree or Diploma in Computer Science, Information Technology, Computer Engineering, Electronics Engineering, or related technical disciplines.
• Relevant work experience in backend development, cloud-native engineering, distributed systems, or DevOps environments.

Please submit resumes to john@oaktree.com.sg with the following details in MS Word format:

- Position applying for

- Current remuneration

- Expected remuneration

- Notice period

John Goh Meng Chye

EA License No : 06C4642

EA Reg No : R1102621

We regret that only shortlisted candidates will be notified.

The Frontend Engineer plays a key role in building intuitive, performant, and scalable user interfaces for digital applications. The role requires strong expertise in modern front end technologies, UI/UX engineering, and software craftsmanship. You will work in an Agile, DevOps‑enabled environment, collaborating closely with product, design, QA, and engineering teams to deliver high‑quality frontend solutions that are reliable, secure, and maintainable.

Key Responsibilities

1. Frontend Development & UIEngineering

• Develop responsive, accessible, and high‑quality web interfaces using modern JavaScript frameworks and UI engineering practices.
• Implement reusable components, optimize performance, and uphold frontend architecture standards.
• Ensure user interfaces meet accessibility guidelines and deliver exceptional user experiences.

2. Collaboration & Delivery

• Partner with Business Analysts and Product Managers to refine user stories and convert them into workable technical requirements.
• Work closely with designers to translate wireframes, prototypes, and design specifications into production‑ready interfaces.
• Collaborate with DevOps engineers to automate build, testing, deployment, and release pipelines.

3. Testing, Quality & XP Practices

• Strengthen software quality through practices such as pair programming, code reviews, continuous refactoring, and unit testing.
• Collaborate with QA teams to support automated test suites and address defects proactively.
• Contribute to continuous integration and delivery workflows in an Agile environment.

4. Security & Performance

• Implement secure coding practices and address vulnerabilities such as XSS, CSRF, and other frontend security risks.
• Optimize performance through techniques such as code splitting, lazy loading, reducing re‑renders, and optimizing resource usage.
• Ensure applications adhere to web performance and security best practices.

5. Documentation & TechnicalStandards

• Document key architectural decisions, coding standards, UI patterns, and development guidelines.
• Maintain clear records of frontend best practices and contribute to internal knowledge‑sharing.

Required Skills & Experience

Core Frontend Skills

• Strong proficiency in JavaScript, TypeScript, HTML5, and CSS3.
• Hands-on experience with frameworks such as React, Next.js, Vue, Svelte, or Angular.
• Understanding of state management tools: Redux, Recoil, Zustand, MobX, or equivalents.
• Experience working with UI libraries such as Tailwind CSS, Material‑UI, Chakra UI, Bootstrap, etc.

Tooling & Engineering

• Proficiency with Git and branching strategies (GitFlow, trunk-based development).
• Experience with modern build tools like Webpack, Vite, esbuild, Parcel.
• Familiarity with modern CSS methodologies (BEM, CSS Modules, Styled Components).
• Experience using frontend testing tools such as Jest, Mocha, Jasmine, React Testing Library, Playwright.

Backend Integration

• Experience integrating REST APIs, GraphQL, and WebSockets.
• Understanding of data fetching patterns, error handling, and client‑side caching.

DevOps & CI/CD

• Familiarity with CI/CD tools such as GitHub Actions, GitLab CI, Netlify, Vercel, etc.
• Ability to collaborate with DevOps teams on automation and deployment pipelines.

Security & Performance

• Strong understanding of frontend security best practices.
• Experience optimizing application performance for scalable, production-grade applications.

Software Engineering Practices

• Experience working within Agile teams (Scrum, Kanban) with strong communication and collaboration.
• Knowledge of Extreme Programming (XP) practices, including TDD, pair programming, continuous refactoring, and incremental delivery.
• Ability to produce clean, maintainable, and well‑structured code adhering to software craftsmanship principles.

Qualifications

• Degree or Diploma in Computer Science, Information Technology, Computer Engineering, Electronics Engineering, or related disciplines.
• Strong understanding of modern web technologies and frontend architecture.

Please submit resumes to john@oaktree.com.sg with the following details in MS Word format:

- Position applying for

- Current remuneration

- Expected remuneration

- Notice period

John Goh Meng Chye

EA License No : 06C4642

EA Reg No : R1102621

We regret that only shortlisted candidates will be notified.

At Wise, we’re on a mission to make money borderless, instant, and convenient for millions of people and businesses worldwide. Our engineers are at the heart of this mission, solving complex challenges and building seamless, secure solutions that customers love.

More about our mission and what we offer.

Job Description

We're looking for a Senior Software Engineer to join our growing teams in Singapore. The role is a unique opportunity to build beautifully simple experiences that guide our customers through Wise, helping them to live, travel and work without borders.

How you’ll be contributing to our Engineering team:

• Help us take Wise to the next level as we scale to impact 100's of millions more customers. You'll hide away all complexities under the hood of our product and build seamless experiences for our customers

• Contribute to core application functionalities, ensuring a robust and positive user experience, especially during unexpected scenarios or issues. 

• Create clear and helpful interfaces, whilst maintaining consistency, maintainability, performance and an understanding of what problems our customers might encounter along the way

• Take initiative to identify and solve important problems. Coordinates with others on cross-cutting technical issues

• Drive product improvement that impacts the Wise customer experience or empowers internal stakeholders to do their job effectively. 

• Proactively identify and tackle technical debt becoming too big through planning work and aligning the team. Does this with careful evaluation of additional cost on development

Qualifications

A bit about you

• You have solid Java 17 plus knowledge and experience with Spring framework

• You have experience working with relational and non-relational databases, query optimisation and schema design

• You approach challenges with a strong product mindset, prioritise customer needs and make data-driven decisions to fix customer pain-points

• You have led the design and development of complex engineering solutions and understand their broader impact on business outcomes.

• You have excellent communication skills and can articulate complex, technical concepts to non-technical audience

• You provide technical guidance and mentorship to junior and mid-level developers

• You have front end experience in technologies like React, Next, Svelte or Angular

• You are familiar with Continuous Integration and deployment frameworks

…but don’t worry we don’t expect you to know everything!

Some extra skills and experiences that would be great:

• You have experience with financial systems including how payments and digital onboarding flows work

• You have some Groovy experience

• You have experience in technical leadership - maintain technical excellence of your team, managing performance, giving feedback, and coaching engineers to thrive

What you can expect as an Engineer at Wise:

We don't measure seniority by years of experience, but by the impact you create and the complexity of problems you can help solve. As a Senior Software Engineer at Wise, you would be given the licence to:

• Lead medium to large (8-16 engineering weeks) sized projects that have a meaningful impact on Wise product and customers

• Own the technical domain of your team with a view on how it should move forward

• Propose ideas to improve and grow your team’s product

• Embrace long-term ownership of projects while training other engineers to reduce single points of failure

• Architect and design services that allow for iterative delivery and future scaling

• Collaborate closely across functions like product, analytics, design, and operations to ensure smooth and effective delivery

To get the best view of what we expect at all levels of our engineering team, you can take a look at our Engineering Career Map

Apex PWM is hiring a Software Developer / Programmer to support thedevelopment of internal tools, digital platforms, and app-based projects. Yourcore mission is simple:
Build practical, reliable digital solutions that improve business operations,user experience, and internal efficiency.

This role is ideal for someone who enjoys building applications,solving problems, and working on project-based development with clear businessuse cases.

You should be comfortable working across app-related projects and haveworking knowledge of tools such as Node.js where required.

As part of the implementation of PowerCARDsolutions, the Senior Implementation Engineer/ software developer is responsible for studying specifications,configuring the solution, developing client-specific functionalities,supporting testing activities (SIT, UAT, Migration, Certification, NFT), andensuring delivery. The role guarantees a successful and efficient integrationof our solution at the client site while complying with contractual deadlines.

Role Objectives & KeyResponsibilities:

1. Technicalstudies and specifications

• Participate in technical studies to identify configuration needs and specific developments
• Present standard interfaces
• Prepare technical specifications for interfaces and mapping

2.Client-specific developments

• Prepare Technical Specification Forms (TSFs) based on BSD for specific functionalities
• Prepare TSFs for client-specific interfaces
• Perform client-specific developments according to TSFs
• Conduct unit testing of developments
• Fix bugs identified by the testing team

3. Solutionconfiguration and implementation

• Support solution parameterization to meet client requirements
• Configure and integrate the different solution modules
• Assist with installation of project deliverables at client site
• Support the client during integration and acceptance testing
• Identify and coordinate bug fixes to ensure sustainable functionalities
• Diagnose and resolve bugs reported by the client

4.Certification, UAT, Migration Test Plan (MTP), and Go-Live

• Ensure certifications with international networks (Visa, Mastercard)
• Support the client during acceptance testing and implement a pilot in the production environment
• Prepare and deliver patches, ensuring proper handover to the HPS Support team

5. Reportingand performance contribution

• Report on activities to contribute to overall project performance
• Log incidents and anomalies to impacted teams
• Record daily activities using HPS tools

6. Supportand mentoring

• Provide guidance, support, and upskilling to junior team members
• Supervise junior engineers in all their activities

Profile of the Job Holder:

• Education Level: Master’s degree (BAC+5) in Computer Science, Information Systems, or related field
• Experience: Minimum 5 years in software implementation, configuration, and project delivery
• Strong knowledge of payment solutions, certification processes (Visa, Mastercard), and client-specific developments
• Excellent problem-solving, communication, and coordination skills
• Ability to mentor junior team members and interact with multiple stakeholders

Regret to inform you that only shortlisted candidates will be notified.

CEI: R1988671

EA License: 14C7275

The Backend Engineer is responsible for building and maintaining backend systems that are secure, scalable, and optimized for performance. You will work in a cloud‑native, Agile, and DevOps‑driven environment, collaborating with cross‑functional teams to deliver highly reliable digital services. The role combines system design, API development, engineering best practices, and continuous improvement to support mission‑critical applications.

Key Responsibilities

1. Backend Development & API Engineering

• Design and implement backend services and APIs that support high‑volume and mission‑critical digital products.
• Build cloud‑native components that are scalable, resilient, and optimized for performance.
• Improve existing backend architectures for better observability, reliability, and throughput.

2. Requirements Collaboration &Delivery

• Partner with Business Analysts and Product Managers to refine user stories and translate them into actionable engineering tasks.
• Work with QA engineers to ensure robust automated test coverage; resolve defects proactively.
• Collaborate with DevOps teams to implement automated builds, deployments, monitoring, and release workflows.

3. Engineering Quality & XPPractices

• Apply modern engineering methodologies such as Test‑Driven Development (TDD), pair programming, and continuous refactoring.
• Conduct peer reviews to maintain code quality, enforce backend standards, and detect security gaps early.
• Follow software craftsmanship principles to produce code that is clean, modular, maintainable, and efficient.

4. Architecture, Security &Documentation

• Develop and document system architecture, interface contracts, and backend operation patterns.
• Ensure all components meet government or enterprise security, compliance, and regulatory requirements.
• Apply secure coding techniques and mitigate risks such as injection attacks, insecure deserialization, and authentication vulnerabilities.

5. Optimization & PlatformReliability

• Enhance backend performance using profiling, caching, concurrency improvements, and query optimization.
• Strengthen observability through structured logs, traces, metrics, and alerting frameworks.

6. Emerging Technologies & AdvancedIntegrations

• Contribute to blockchain or smart contract development when relevant.
• Implement serverless workflows or event‑driven patterns as needed.
• Integrate with API gateways, service meshes, and authentication frameworks.

Required Technical Skills

Core Programming & Frameworks

• Competency in backend languages such as Java, Kotlin, Python, Golang, Node.js, or Ruby.
• Strong understanding of RESTful APIs, GraphQL, gRPC, and WebSocket‑based communication.

Cloud, Containers & Infrastructure

• Hands-on experience with cloud platforms including AWS, Azure, or Google Cloud.
• Proficiency with Docker, Kubernetes, and container orchestration.
• Familiarity with Infrastructure-as-Code tools such as Terraform, CloudFormation, or Pulumi.

Distributed Systems & Messaging

• Knowledge of microservices architectures and event-driven patterns.
• Practical experience with messaging systems such as Kafka or RabbitMQ.

Databases & Persistence

• Strong understanding of SQL and NoSQL systems such as PostgreSQL, MySQL, Redis, MongoDB, DynamoDB.
• Ability to tune queries, optimize data models, and manage storage performance.

DevOps & CI/CD Tooling

• Experience working with CI/CD platforms (e.g., GitHub Actions, GitLab CI, ArgoCD).
• Strong Git skills including branching strategies such as GitFlow or trunk-based development.

Testing & Automation

• Proficient with test automation frameworks such as JUnit, PyTest, Jest, Playwright.
• Comfortable implementing automated integration, unit, and contract tests.

Observability & Monitoring

• Familiarity with platforms like Prometheus, Grafana, OpenTelemetry, ELK/EFK stacks to build visibility into backend operations.

Software Engineering Practices

• Experienced working in Agile teams using Scrum or Kanban.
• Deep understanding of Extreme Programming (XP) principles including TDD, pair programming, and incremental refactoring.
• Strong commitment to writing clean, maintainable code in line with software craftsmanship values.

Qualifications

• Degree or Diploma in Computer Science, Information Technology, Computer Engineering, Electronics Engineering, or related technical disciplines.
• Relevant work experience in backend development, cloud-native engineering, distributed systems, or DevOps environments.

Please submit resumes to john@oaktree.com.sg with the following details in MS Word format:

- Position applying for

- Current remuneration

- Expected remuneration

- Notice period

John Goh Meng Chye

EA License No : 06C4642

EA Reg No : R1102621

We regret that only shortlisted candidates will be notified.

The Frontend Engineer plays a key role in building intuitive, performant, and scalable user interfaces for digital applications. The role requires strong expertise in modern front end technologies, UI/UX engineering, and software craftsmanship. You will work in an Agile, DevOps‑enabled environment, collaborating closely with product, design, QA, and engineering teams to deliver high‑quality frontend solutions that are reliable, secure, and maintainable.

Key Responsibilities

1. Frontend Development & UIEngineering

• Develop responsive, accessible, and high‑quality web interfaces using modern JavaScript frameworks and UI engineering practices.
• Implement reusable components, optimize performance, and uphold frontend architecture standards.
• Ensure user interfaces meet accessibility guidelines and deliver exceptional user experiences.

2. Collaboration & Delivery

• Partner with Business Analysts and Product Managers to refine user stories and convert them into workable technical requirements.
• Work closely with designers to translate wireframes, prototypes, and design specifications into production‑ready interfaces.
• Collaborate with DevOps engineers to automate build, testing, deployment, and release pipelines.

3. Testing, Quality & XP Practices

• Strengthen software quality through practices such as pair programming, code reviews, continuous refactoring, and unit testing.
• Collaborate with QA teams to support automated test suites and address defects proactively.
• Contribute to continuous integration and delivery workflows in an Agile environment.

4. Security & Performance

• Implement secure coding practices and address vulnerabilities such as XSS, CSRF, and other frontend security risks.
• Optimize performance through techniques such as code splitting, lazy loading, reducing re‑renders, and optimizing resource usage.
• Ensure applications adhere to web performance and security best practices.

5. Documentation & TechnicalStandards

• Document key architectural decisions, coding standards, UI patterns, and development guidelines.
• Maintain clear records of frontend best practices and contribute to internal knowledge‑sharing.

Required Skills & Experience

Core Frontend Skills

• Strong proficiency in JavaScript, TypeScript, HTML5, and CSS3.
• Hands-on experience with frameworks such as React, Next.js, Vue, Svelte, or Angular.
• Understanding of state management tools: Redux, Recoil, Zustand, MobX, or equivalents.
• Experience working with UI libraries such as Tailwind CSS, Material‑UI, Chakra UI, Bootstrap, etc.

Tooling & Engineering

• Proficiency with Git and branching strategies (GitFlow, trunk-based development).
• Experience with modern build tools like Webpack, Vite, esbuild, Parcel.
• Familiarity with modern CSS methodologies (BEM, CSS Modules, Styled Components).
• Experience using frontend testing tools such as Jest, Mocha, Jasmine, React Testing Library, Playwright.

Backend Integration

• Experience integrating REST APIs, GraphQL, and WebSockets.
• Understanding of data fetching patterns, error handling, and client‑side caching.

DevOps & CI/CD

• Familiarity with CI/CD tools such as GitHub Actions, GitLab CI, Netlify, Vercel, etc.
• Ability to collaborate with DevOps teams on automation and deployment pipelines.

Security & Performance

• Strong understanding of frontend security best practices.
• Experience optimizing application performance for scalable, production-grade applications.

Software Engineering Practices

• Experience working within Agile teams (Scrum, Kanban) with strong communication and collaboration.
• Knowledge of Extreme Programming (XP) practices, including TDD, pair programming, continuous refactoring, and incremental delivery.
• Ability to produce clean, maintainable, and well‑structured code adhering to software craftsmanship principles.

Qualifications

• Degree or Diploma in Computer Science, Information Technology, Computer Engineering, Electronics Engineering, or related disciplines.
• Strong understanding of modern web technologies and frontend architecture.

Please submit resumes to john@oaktree.com.sg with the following details in MS Word format:

- Position applying for

- Current remuneration

- Expected remuneration

- Notice period

John Goh Meng Chye

EA License No : 06C4642

EA Reg No : R1102621

We regret that only shortlisted candidates will be notified.

About Us

Duotech is a Singapore-based technology company specialising in the consulting, design and engineering of customised software solutions and mobile applications. We help organisations drive innovation, improve operational efficiency and strengthen their competitive advantage through tailored, scalable technology solutions.

Our team of experienced software experts works closely with clients to understand their unique business challenges and deliver streamlined, high-impact solutions that enhance productivity and support sustainable growth.

Job Responsibility

• Collaborate with cross-functional teams to design, develop, and maintain a large scale micro services system.
• Participate in team development efforts towards successful project delivery.
• Drive the implementation of best practices and coding standards to ensure the highest levels of software quality.
• Participate in peer-reviews of solution designs and related code, package and support deployment of releases.
• Assess opportunities for application and process improvement and prepare documentation of rationale to share with team members and other affected parties.
• Tackle technical and application issues proactively, with a sharp focus on high performance and low latency.

Job Requirements

• 5+ years’ experience as a C# / .NET / .Net Core Software Developer.
• In depth knowledge and experience with core Microsoft .Net / .Net core technologies.
• Extensive experience designing and developing enterprise grade software.
• Experience with message broker and middle wares.
• Experience with source control management systems and continuous integration/deployment environments.
• Experience with automated testing. Experience with agile development methodologies including Kanban and Scrum.
• Experience with multi-threading and concurrency programming.
• Experience with debugging, performance profiling and optimization.
• Comprehensive understanding of object-oriented and service-oriented application development techniques and theories.
• Strong communication skills with both internal team members and external business stakeholders.

Preferred Competency Requirements

• Experience with cloud environment such as Azure / AWS / Ali Cloud.
• Experience with FIX API.
• Experience in a FX/CFD financial / digital trading industry.

Software Developer

Job Responsibilities

• Involve in the analysis, design, documentation, coding, and testing of enterprise-level software applications.

• Perform unit, integration, functional, and non-functional testing to ensure product quality and reliability.

• Troubleshoot and resolve production issues related to software applications in a timely manner.

• Evaluate existing systems and implement updates or add new features to enhance functionality and performance.

• Collaborate with team members in requirements discussions, design reviews, and solution planning, providing valuable technical insights.

• Prepare and maintain technical documents, ensuring clarity and completeness.

• Assist in project planning, provide time estimates, and ensure that development milestones are met.

• Work independently on assigned tasks while maintaining close communication with the project team.

• Respond proactively to suggestions for system improvements and enhancements.

• Perform any other duties assigned by the immediate supervisor or senior management.

Job Requirements

• Bachelor’s degree or above in Computer Science, Software Engineering, or related fields.

• At least 5 years of hands-on experience in Java development, have some experience in team management.

• Proficient in Java web frameworks such as Spring MVC and familiar with RESTful APIs and Web Services.

• Familiar with HTML, CSS, JavaScript, and related front-end technologies.

• Experience with Oracle or MySQL databases.

• Familiar with version control tools such as Git or SVN.

• Experience with Spring Boot, RocketMQ, and Redis will be an advantage.

• Knowledge of BSS/OSS systems in the telecommunications industry is preferred.

• Strong problem-solving, analytical, and debugging skills.

• Excellent written and verbal communication abilities.

• Proactive, detail-oriented, and able to work both independently and collaboratively in a multicultural team environment.

Key Responsibilities

• Responsible to lead collaboration within internal application stakeholders, Infrastructure team and vendors / third-party services
• Lead large-scale system implementations, providing both oversight and hands on contributions to the software design, development, and integration.
• Resolve integration and interfacing issues between various back-end systems. Optimise application performance, scalability and security.
• Design, develop, and maintain code that meets requirements, is high quality, and performs efficiently and effectively to provide a great customer experience
• Incorporate standards and best practices, including performance, security, scalability, and maintainability
• Participate in an agile team to deliver the full lifecycle, including requirements, architecture, design, development, testing and deployment
• Continually work towards making improvements in the development process
• Code review and contribute to design patterns and coding standards while being mentored

Basic Qualifications

Demonstrable experience with Android engineering and understanding of the ecosystem and strong knowledge of Android SDK and integration.

• Minimum of bachelor’s degree or equivalent.
• 5+ years of enterprise computing experience, including 3 years of application engineering experience with Native Development and React Native experience would be big plus

Technical Skillsets:

Good experience in native iOS & android app development exposure. Possess strong CS fundamentals, including Data Structure & Algorithms. Strong sense of design and user-centered perspective. Sound knowledge with security by design technologies such as encryption, MFA authentications, OAuth, OWASP Top Ten and industry standards.

• Programming Languages: Kotlin, JAVA, JavaScript, React, React JS
• IDE: Node-JS, X-Code, Eclipse, Android SDK, Android Studio, Visual Studio Code.
• Web Services Handling: REST/SOAP-based web services, AJAX and JSON
• API’s Used: APIgee, Google & Flurry Analytics, Openssl (RSA Encryption/Decryption, AES Encryption,Decryption), KeychainAccess, GooglePlus,
• Notifications: PushNotifications, Local Notifications, GCM.
• Source code control systems : SVN, CVS or Git
• Good experience with DevOps, CI/CD tools such as git, GitHub, Jira, Jenkins, or equivalents.
• Experience in AWS cloud engineering & implementation as plus

Regret to inform you that only shortlisted candidates will be notified.

CEI: R1988671

EA License: 14C7275

Role Overview:

We are seeking an experienced QlikSense Developer with strong exposure to Wholesale Banking domain. The ideal candidate will be responsible for end-to-end BI solutioning including architecture, data modeling, dashboard design, and report development across Trade Finance, Business Banking, Wealth Management, and Transaction Banking portfolios.

Key Responsibilities:

• Design and architect scalable QlikSense BI solutions aligned with Wholesale Banking business requirements.
• Develop, enhance, and maintain interactive dashboards and reports using QlikSense.
• Build robust data models, ETL scripts, and data transformations within Qlik environment.
• Work closely with stakeholders from Trade Finance, Transaction Banking, Wealth, and Business Banking teams to translate requirements into technical solutions.
• Optimize performance of Qlik applications for large-scale banking datasets.
• Implement data governance, security rules, and access controls in QlikSense.
• Perform data validation, reconciliation, and ensure high data accuracy standards.
• Support UAT, production deployment, and ongoing enhancements.
• Collaborate with data engineers and architects for integration with enterprise data warehouse and cloud platforms.

Mandatory Skills & Experience:

• 5-10 years of experience in QlikSense development and data analytics space.
• Strong Wholesale Banking domain experience (Trade Finance, Business Banking, Wealth, Transaction Banking).
• Expertise in Qlik scripting, data modeling (star/snowflake schema), and performance tuning.
• Strong SQL knowledge and experience working with large datasets.
• Experience in data warehouse concepts and banking KPIs.
• Understanding of regulatory and MIS reporting in banking environment.
• Experience integrating Qlik with cloud / enterprise data platforms is preferred.