Total 607 java developer job vacancies in Information Technology category

Scope of Work

Work in the development team to:

• Maintain and enhance the application which includes implementing new enhancements to the applications, troubleshoot live issues to identify causes of the problems, and providing workable solutions to fix the issues.

• Design and develop the application according to the specifications provided.

• Perform design, programming, integration, system testing, assist users in User Acceptance Test (UAT), and documentation in compliance with Quality Management System.

• See-through all enhancements and fixes to ensure they are properly deployed to the testing and live environment within the agreed time. That includes working with the end-users, server administrators, database administrators, and system analysts supporting the IT systems.

Critical Requirements

• a) Must have at least 3 years of good working knowledge in the following areas:

• J2EE, Struts, Weblogic

• JSP, JavaScript, JQuery, AJAX/JSON

• Oracle 12C and Oracle 11g R2, PL/SQL

• ALM

• b) Must have good communication skills and the ability to:

• Understand and communicate in English, in speech, and in writing.

• Work with other members in a dynamic and fast-moving team.

• Work independently with minimum supervision.

Other Requirements

It will be advantageous to have good working knowledge in the following areas:

• Development experience using Azure App Services, Spring Cloud, Tomcat, MS SQL, Azure DevOps

• Spring MVC, Hibernate

By submitting any application or résumé to us, you will be deemed to have agreed and consented to us disclosing your personal information to prospective employers for their consideration.

We regret to inform you that only shortlisted candidates will be notified. All applications will be treated with the strictest confidence.


Contact Person : Lavaniea

EA License No.16C8004 | Registration: R24157849

· More than 8 years of hands-on experience in Java/J2EE development.

· Deep understanding of distributed platform & microservices architecture

· Solution design using proven patterns, awareness of anti-patterns, performance tuning

· Proficiency with technologies such as Spark programming, Flink, Kafka, Elasticsearch, HBase, HDFS, and Mongo DB

·        Profound knowledge in Spring Frameworks encompassing IOC, Sprint Boot, Spring Integration & more

· Hands-on experience in software deployment and orchestration technologies, including Docker and Kubernetes

· Proficient in utilizing build and continuous integration services such as Jenkins, GitLab, Artifactory, Nexus and Maven

· Extensive experience working in TDD (Test-Driven Development) and BDD (Behavior-Driven Development) environments, utilizing unit testing frameworks such as JUnit, Mockito, and Cucumber

· Strong understanding of software architecture, design patterns, and best practices.

· Proven experience in leading the design and implementation of complex features and applications.

· Very good understanding of application system design, development, testing, deployment, and maintenance using UML.

·        Basic cash management functional knowledge.

· Proficiency in Agile and Scrum working methodologies.

· Excellent problem-solving and troubleshooting skills.

Job Summary

You will be deployed to our client who is a leading government technology agency driving digital transformation and innovation in the healthcare sector. As a Senior Software Developer, you will serve as a technical lead in our transition to the cloud. You’ll leverage your deep expertise in Java, Liferay, and AWS to architect, build, and optimize high-performance applications that define the future of our digital infrastructure.
Responsibilities

• Design, develop, and implement integration solutions for applications migrating to the AWS Cloud platform
• Prepare detailed migration plans, timelines, and risk mitigation strategies
• Collaborate with cross-functional teams to understand business requirements and implement effective integration strategies
• Work closely with the migration team to execute the migration of applications to the AWS Cloud
• Create and implement APIs to facilitate communication between applications and services
• Ensure API designs adhere to best practices for scalability, security, and performance
• Collaborate with team members to troubleshoot complex problems related to integration processes
• Conduct thorough testing of integration solutions to ensure functionality, performance, and data accuracy
• Collaborate with QA teams to develop and execute test plans for integrated systems
• Provide documentation for troubleshooting and support purposes
• Provide L2/L3 application support for Liferay and Java applications, including incident investigation, bug fixes and RCA analysis
• Implement application enhancement and feature updates based on business requirements

Requirements

• Bachelor's Degree in Computer Science, Computer Engineering or equivalent
• In-depth knowledge and hands-on experience in Liferay development including OSGi Modular development, Liferay customizations and Service builder
• At least 5 years of experience in Java development (Java, J2EE, EJB, Spring Framework, etc.,)
• Knowledge of Spring framework, specifically in Spring Boot, Spring MVC, Spring Security, Spring AOP, and API integration with SOAP and RESTful webservices
• Experience in WebLogic, JBoss, WebSphere Application Server and Apache Web server
• Experience with Oracle WebLogic Server administration, including installation, configuration, and troubleshooting
• Familiarity with database integration to Oracle DB and PostgreSQL using Spring Data JPA, Hibernate, JDBC
• Knowledge in building and version control with Git, Gradle, Apache Ant
• Hands-on experience with AWS Cloud-native services (e.g. EC2, S3, Lambda, SQS, RDS, Kubernates, API Gateway.)
• Hands-on experience with CI/CD tools like Jenkins, GitLab CI, Bamboo or Circle CI
• Familiarity with IaC tools like Terraform or CloudFormation
• Ability to handle application performance tuning, monitoring, and associated components in AWS, ensuring optimal performance and reliability.

If you are interested in this role and would like to discuss the opportunity further please click apply now or email Chew Kai-Xinn at kaixinnchew@morganmckinley.com for more information.

Only shortlisted candidates will be responded to, therefore if you do not receive a reply within 14 days please accept this as notification that you have not been shortlisted.

Morgan McKinley Talent Solutions

Morgan McKinley Pte Ltd EA Licence No: 11C5502

EAP Registration No: R2196712

EAP Name: Chew Kai-Xinn

You will join the IT  team building intelligent, production-grade internal tools across operations. The work spans full-stack web development and AI/LLM engineering you will ship features end-to-end, from React frontends to Python backends to RAG pipelines running on Azure OpenAI.

.

What You'll Work On

•       Real-time data visualization and AI-assisted insights

•       Intelligent document extraction and processing pipelines

•       RAG-based vector search and LLM-powered Q&A

•       Automated data pipelines with web scraping, PDF parsing, and structured data extraction

Frontend

•       React (v18+) with TypeScript

•       Vite, Tailwind CSS, React Router

•       Data visualisation libraries (Recharts, Leaflet)

•       REST API integration with Axios or fetch

Backend

•       Python with FastAPI

•       SQLAlchemy ORM, PostgreSQL, SQLite

•       JWT authentication, REST API design

•       PDF/document processing (PyMuPDF, pdf2image, openpyxl)

AI / LLM Engineering

•       OpenAI SDK or Azure OpenAI (GPT-4o, embeddings)

•       RAG pipeline design: chunking, embedding, vector retrieval, reranking

•       pgvector or equivalent vector database integration

•       Prompt engineering and structured output design

Infrastructure & Tooling

•       Docker (multi-stage builds)

•       GitHub Actions for CI/CD

•       Microsoft Azure (Container Apps, Static Web Apps, Container Registry)

.

Good to Have

•       Node.js / Express and TypeScript backend experience

•       Playwright for browser automation or end-to-end testing

•       Microsoft Graph API / MSAL (Azure AD)

•       Model Context Protocol (MCP) for agent tooling

•       Cohere Rerank or similar reranking services

•       Ant Design or Semantic UI component libraries

•       Storybook, Vitest, or pytest experience

What We're Looking For

•       1-2 years of hands-on full-stack development experience

•       Demonstrated ability to ship production AI features, not just prototypes

•       Comfortable working across the full stack frontend, backend, and AI pipeline

•       Strong written communication

Nice to Have: Sector Context

Experience in the energy, utilities, or sustainability sector is a plus but not required. Familiarity with solar sector is a welcome bonus.

Key Responsibilities:

• Develop and maintain native Android applications using Kotlin
• Design and build modern, responsive user interfaces using Jetpack Compose and Android UI frameworks
• Write clean, maintainable, and testable code aligned with best practices
• Collaborate with backend engineers to integrate RESTful APIs and services
• Participate in Agile development processes, including sprint planning, code reviews, and retrospectives
• Debug, troubleshoot, and optimize application performance and reliability
• Contribute to CI/CD pipelines, including automated builds and testing
• Perform unit testing, UI testing, and support User Acceptance Testing (UAT)
• Continuously enhance application quality through monitoring, feedback, and iterative improvements
• Document technical designs, system architecture, and implementation details

Requirements:

• At least 2 years of experience in Android development using Kotlin
• Strong understanding of Kotlin fundamentals, including coroutines, flows, and null safety
• Experience with Android Jetpack components (e.g. ViewModel, LiveData/Flow, Navigation)
• Familiarity with Jetpack Compose or modern Android UI development
• Experience integrating RESTful APIs and working with JSON data
• Knowledge of Git and version control practices
• Good understanding of the software development lifecycle and Agile methodologies
• Exposure to DevOps practices is a plus
• Hands-on mindset with a passion for programming
• Strong ability to learn and adapt to new technologies
• Self-motivated and able to work independently
• Strong communication and documentation skills
• Customer-focused with a proactive, can-do attitude
• Collaborative team player with a willingness to learn and grow

Work Location: North / Central locations available

(EA Reg No: 20C0312)

Please email a copyof your detailed resume to kayla@talentsis.com.sg for immediate processing.

Only shortlistedcandidates will be notified.

About Capgemini

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem. The Group reported 2024 global revenues of €22.1 billion.

About the role

We are seeking a Salesforce Developer to join our team in delivering impactful, end‑to‑end solutions with Salesforce as the core platform. You will be involved in configuration and customisation work, development activities, unit testing, deployments, and supporting SIT, UAT and training activities. The role may also involve working with relevant complementary technologies (e.g. AWS).

Responsibilities

Project Delivery

• Work with architects, functional consultants and developers to deliver customer value using Salesforce as the core platform.
• Participate actively in all phases of the project lifecycle, from planning to deployment and support.
• Track progress against deadlines, flag risks, and communicate effectively within the project team.

Stakeholder Engagement & Requirements Gathering

• Facilitate discussions with business users and stakeholders to clarify needs, processes, and desired outcomes.
• Document requirements and findings in artefacts such as backlog items, requirement specifications, process flows, and meeting notes.
• Communicate technical constraints and work with stakeholders to determine feasible alternatives.
• Build and maintain strong working relationships to ensure consistent alignment.

Solution Design & Documentation

• Write clear and concise user stories, and design sample process flows to illustrate to-be solutions.
• Propose alternative approaches and collaborate with team members to evaluate different solution options.
• Work with seniors to define functional and technical specifications for functionalities based on requirements.
• Create, update, and maintain relevant project documentation throughout the project lifecycle.

Salesforce Development & Configuration

• Configure/code Salesforce functionalities and develop custom UI based on user stories and specifications, adhering to established standards.
• Commit own configurations and developments to the deployment pipeline, following the deployment and review process.

Testing & Quality Assurance

• Ensure quality through thorough unit testing, debugging, and validation of your solution implementation.
• Support resolution of defects across QA and UAT cycles.

Training & Enablement

• Provide inputs to training content designers and clarify solution features as needed.
• Provide support in training sessions.

Data Migration Support

• Support data migration activities such as template creation, field mapping clarifications, data validation, and data patching when required.

Requirements

Must have skills and experience

• Knowledge of Java, OOP, JavaScript, HTML, and CSS.

• Understanding of the Salesforce platform and automation tools, and the ability to leverage them effectively.

• Ability to meet timelines for assigned work.

• Strong verbal and written communication skills.

Good to have

• Salesforce certifications such as OmniStudio Developer/Consultant, Platform Developer II, JavaScript Developer, Public Sector Solutions.

• Understanding of Salesforce technical requirements, system configuration, and development (Apex, LWC/OmniScript), as well as deployment processes.

• Prior experience or familiarity with public sector processes.

• Experience with CI/CD tools, release management and integrations.

Ways of working

• Work collaboratively within an agile, sprint-based build delivery environment.

• Apply an agile mindset by participating actively in sprint ceremonies and iteratively delivering user stories.

• Communicate progress, risks, and dependencies proactively throughout each sprint.

• Seek timely alignment with senior developers, leads, or architects when encountering technical uncertainties or blockers.

Success measures

• Consistent and timely delivery of user stories per sprint, meeting assigned story point estimates and acceptance criteria.

• High-quality development demonstrated through strong unit test coverage and low defect rates.

• Stable and predictable releases by adhering to build, test, and deployment processes.

• Effective communication and collaboration, reflected in clear updates during sprint ceremonies and positive feedback from peers, leads, and stakeholders.

Education

• Bachelor’s degree in Computer Science, Information Systems, or a related field, or equivalent practical experience.

Let's talk about what's in it for you!

Passionate people are Capgemini's Ace of Spades - join us to discover a career that will challenge, support and inspire you. Working at Capgemini you'll find the rewards are more than just financial. You will work alongside some very smart and inspiring people on exciting projects and you will also enjoy incredible benefits. We offer flexible work practices and 40 hours of self-development every year with a huge selection of learning opportunities to choose from.

As "Architects of Positive Futures", Capgemini actively supports the community in 3 ways:

Diversity and Inclusion - we believe diversity of thought fuels excellence and innovation, which is why we positively encourage applications from suitably qualified candidates regardless of their gender identity, ethnicity, sexual orientation, religion, ability, intersex status or age. To support our commitment to diversity and inclusion, we celebrate special events and days of significance that are important to our employees such as Diwali, Bastille Day, Pride, IDAHOBIT, IWD and International day of people with Disabilities. Our Employee Resource Groups Women@Capgemini and OutFront support the grassroots passion of employees to drive our diversity agenda and effect change.

Digital inclusion - at Capgemini we are using our skills to drive social impact initiatives focusing on helping society address the impact of the digital and automation revolution. We also provide employees with opportunities to give back to the community through charity projects and volunteer days.

Environmental Sustainability - Capgemini joined the CDP's (Carbon Disclosure Project) prestigious "A list" for its commitment to the Net-Zero economy. We are focusing on helping our clients transform towards more sustainable business models and committing to reduce our own carbon emissions (GHG) by 20% per employee by 2020.

Recognised by Ethisphere as one of the World's Most Ethical Companies for the last 8 years in a row, ethics and values are at the heart of Capgemini's corporate culture and business. Embedded in our DNA, our seven values - Honesty, Boldness, Trust, Team Spirit, Freedom, Fun and Modesty - have remained the same since company inception in 1967. To see how we bring these values to life, click here to listen to some of our employee’s stories.

Come join us, bring your whole self to work, create new possibilities for you, your customers and your community and help us to be Architects of Positive Futures.

Avensys is a reputed global IT professional services company headquartered in Singapore. Our service spectrum includes enterprise solution consulting, business intelligence, business process automation and managed services. Given our decade of success, we have evolved to become one of the top trusted providers in Singapore and service a client base across banking and financial services, insurance, information technology, healthcare, retail and supply chain.

We are currently looking to hire a Avaloq Developer – Defect Resolution. This is an exciting opportunity to expand your skill set, achieve job satisfaction and work-life balance. More details as below.

JOB TYPE

1-year renewable contract

ROLES AND RESPONSIBILITIES
We are looking for an experienced Avaloq Certified Professional to join an established Avaloq delivery team with a strong focus on defect analysis, troubleshooting, and remediation in an existing Avaloq implementation.

The role requires a hands on Avaloq developer who can work independently, quickly understand existing customisations, and deliver high quality fixes across the Avaloq core platform while collaborating effectively with functional, testing, and operations teams.

Key Responsibilities

• Analyse, diagnose, and resolve functional and technical defects in an existing Avaloq landscape

• Perform root cause analysis across Avaloq Script, tasks, reports, interfaces, and database objects

• Implement and unit test fixes in line with Avaloq and project development standards

• Support defect resolution across multiple environments (DEV / SIT / UAT / PROD support as required)

• Work with business analysts and testers to clarify defect scope, reproduce issues, and validate fixes

• Ensure fixes are robust, compliant with Avaloq best practices, and do not introduce regressions

• Support release activities including code packaging, deployment support, and post deployment verification

• Contribute to technical documentation related to fixes and known issues

• Proactively identify improvement opportunities in existing code and configurations

REQUIREMENTS

• Avaloq Certified Professional (ACP)

• Strong hands on experience as an Avaloq Developer in implementation or post go live support phases

• Proven ability to work independently with minimal supervision in a defect fixing context

• Solid experience with:

o Avaloq Script

o Task definitions and task execution

o Screen reports, print reports, and datamarts

o Oracle database (SQL, understanding of Avaloq data model)

• Strong debugging and problem solving skills within complex Avaloq customisations

• Experience working in environments with existing, non greenfield codebases

WHAT’S ON OFFER

You will be remunerated with an excellent base salary and entitled to attractive company benefits. Additionally, you will get the opportunity to enjoy a fun and collaborative work environment, alongside a strong career progression.

To submit your application, please apply online or email your UPDATED CV in Microsoft Word format to keerthana@aven-sys.com. Your interest will be treated with strict confidentiality.

CONSULTANT DETAILS

Consultant Name: Keerthana

Avensys Consulting Pte Ltd

EA License 12C5759

Privacy Statement: Data collected will be used for recruitment purposes only. Personal data provided will be used strictly in accordance with the relevant data protection law and Avensys' privacy policy.

* Provide day-to-day operational support and maintenance of low-code/no-code applications.

* Monitor application performance and troubleshoot issues in production environments.

* Design, develop, and maintain applications and automations using Microsoft Power Platform – including Power Apps, Power Automate (Cloud and Desktop flows), Power Virtual Agents, Power BI, and Copilot Studio.

* Build responsive canvas and model-driven apps, integrating with Microsoft 365 and third-party systems to streamline end-to-end processes.

* Configure and maintain integrations via APIs and RPA to support end-to-end business process automation, including authentication and error-handling.

* Implement secure development practices and manage user access controls in line with IT security, data privacy, and governance policies.

* Assist in gathering, documenting, and validating business and technical requirements; maintain traceability from requirements through to delivered features.

* Support delivery of small-scale digital transformation projects and enhancement requests, coordinating with stakeholders for acceptance and rollout.

* Provide timely updates to stakeholders, validate requirements iteratively, and manage acceptance criteria for releases.

* Collaborate with cross-functional teams to drive innovation and align digital initiatives with strategic business goals.

* Participate in peer code reviews, solution design walkthroughs, and team knowledge-sharing sessions to promote best practices.

* Develop and maintain user manuals, SOPs, and deliver structured user training sessions for new or updated applications.

* Promote a culture of continuous improvement by regularly reviewing digital solutions and incorporating user feedback.

* Research and evaluate emerging technologies to identify innovative tools and practices that can enhance business processes.

* Lead proof-of-concept initiatives to test and validate new digital solutions before full-scale implementation.

* Collaborate with cross-functional teams to drive innovation and align digital initiatives with strategic business goals.

* Drive digital adoption through community engagement and foster a strong citizen developer culture.

* Monitor industry trends and best practices to ensure solutions remain modern, scalable, and competitive.

Minimum Education / Qualifications

Diploma/Degree in Information Technology or equivalent

Minimum Years of Relevant Experience

2 years’ experience in developing SharePoint and low-code applications and managing workflow tools

Knowledge / Skills

* Experience in Office 365 apps, Microsoft Power Platform, SPFx, RPA, and/or workflow tools (e.g., Nintex, Workato, etc.)

* Experience in software development and programming

* Experience in UI/UX design will be an advantage

* Experience in project management

* Knowledge of application lifecycle management

* Awareness of IT security principles and data privacy standards.

* Strong planning, analytical, and problem-solving skills

* Able to work and deliver under a tight timeline

* Excellent communication and written skills

* Adaptable and dynamic as things evolve

Attributes (Functional or Leadership Competencies)

* Proactive in seeking assistance, input, and feedback

* Customer-centric

* Team player with excellent interpersonal skills and able to multi-task

* Excellent communication and written skills

· Bachelor's or Technical Degree in Computer Science, IS, or IT is preferred

·  At least 8 years of relevant working experience in Java/J2EE development

· At least 2 years of experience in big data technology development like the Hadoop platform.

·  Good understanding & working knowledge with Agile/Scrum

·   Hands-on experience of end-to-end design and implementation of complex IT systems

· Must have experience in:

o Java/J2EE, Spring, Spring Boot, RESTFUL Webservices.

o Strong knowledge in Core Java (Java 8+).

o   Experience in Kafka messaging system.

o   Big Data framework like Storm, Hadoop, Hdfs, Hbase, Ignite.

o   SQL & No-SQL database like PostgreSQL, MySQL, Hbase, MongoDB.

o   Knowledge of Flink,Redis, s3, MongoDB is an advantage.

o   Tools – Maven, GIT CICD, Cucumber, Kibana.

o   Knowledge of containerization technologies like Docker & Kubernetes.

o   Solution design using proven patterns, awareness of anti-patterns, performance benchmarking.

o   TDD driven development mindset with strong skills in Junit, Mockito and other Unit testing frameworks.

o   Knowledge on DevOps Practices.

About ACP:

ACP is the leading provider of learning management systems (LMS), e-learning, website Development and ICT solutions. In our current day and age, the adoption of technology in jobs worldwide has enabled us to streamline job processes and increase organisational efficiency, all thanks to the power of the internet. As such, digital literacy is a crucial skill that must be imparted to the next generation, and we continuously strive to empower every individual to learn through technology in our borderless world.

Roles and Responsibilities:

• Assist in the development, maintenance, and enhancement of existing mobile solutions.
• Recommend and implement improvements to enhance performance, functionality, and user experience.
• Support the delivery of high-quality user interfaces (UI) and user experiences (UX).
• Participate in the analysis, design, development, testing, and documentation of new software solutions.
• Contribute to proof-of-concept development and preparation of technical designs.
• Assist in data modelling and management of mobile app databases.
• Support the installation, configuration, and integration of third-party plug-ins and tools.
• Contribute to the creation and maintenance of technical documentation.
• Learn to develop, customise, and integrate PHP-based web applications in App.

Job Requirements:

• Currently pursuing a Diploma or Bachelor's Degree in Computer Science, Software Engineering, Information Technology, or a related field
• Basic knowledge in HTML/CSS3 with JavaScript/JQuery, MySQL, CakePHP and Flutter
• Strong interest in IT and software development
• Willingness to learn on the job
• Able to work collaboratively in a team environment and manage multiple tasks effectively
• Experience in mobile application (Android and iOS)
• Must be able to commit for at least 4 months
• Hybrid Work Model - 1 Day WFH

• Minimum 3+ years of backend expertise in application design & development with Java technologies, with knowledge of Spring, JPA/Hibernate, Message Queues & Workflow Engines with layered-microservices architecture.
• Minimum of 2+ years of expertise in writing Test Automation scripts using JUnit / Cucumber
• Experience with database & caching technologies (Postgres, Oracle, Redis, and Timeseries Databases)
• Bachelor’s degree in computer science, Software Engineering, or related field with 4+ years of professional software development experience
• Professional Experience: architecting, building, deploying, and maintaining customer-facing applications at scale in an innovative engineering environment
• Strong programming foundation with knowledge in Data Structures, Algorithms, and Design Patterns.
• Use a DevSecOps mindset to improve CICD using Github Actions
• Knowledge on NexusIQ, SonarQube, Sonar Linting, DAST scans, DDoS attacks, Defensive Coding & Penetration Testing concepts
• Experience in architecting and building large-scale systems using a scale-out architecture that requires high availability, performance, high scalability, and multi-tenancy.

EA License No: 11C4879 / Registration ID : R1218583

Apar Technologies Pte Ltd, Singapore

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.

Key Responsibilities 

Backend Development: 

• Design, develop, and maintain microservices architecture using .NET Core and .NET 8. 

• Implement event-driven architecture to enable seamless communication between microservices. 

• Utilize Entity Framework (EF) for efficient database interactions and management. 

• Containerize applications using Docker for scalability and deployment flexibility. 

• Apply Domain-Driven Design (DDD) principles to ensure clean and modular code architecture. 

• Implement OAuth for secure authentication and authorization. 

• Develop and enforce security best practices to safeguard sensitive data and systems. 

• Utilize AWS services such as S3, Lambda, API Gateway, DynamoDB, etc., for backend development. 

• Develop RESTful APIs endpoints to facilitate communication between the frontend and backend. 

Frontend Development: 

• Develop responsive and user-friendly web applications using React.js and Next.js. 

• Write unit tests using Jest to ensure code quality and reliability. 

• Create reusable UI components and maintain a consistent design using Storybook. 

• Collaborate closely with UX/UI designers to implement intuitive and visually appealing interfaces. 

• Troubleshoot and debug issues across the stack, ensuring smooth application operation. 

• Optimize application performance and scalability for a seamless user experience. 

What we are looking for  

• Proven experience as a Full Stack .NET Core Developer or similar role. 

• Strong proficiency in .NET Core, .NET 8, C#, and related backend technologies. 

• Experience building microservices architecture and implementing event-driven design patterns. 

• Proficiency in Entity Framework (EF) for database management. 

• Familiarity with Docker and containerization principles. 

• Knowledge of Domain-Driven Design (DDD) principles and their application in backend development. 

• Experience implementing OAuth for authentication and authorization. 

• Understanding of security best practices and their application in backend development. 

• Hands-on experience with AWS services such as S3, Lambda, API Gateway, DynamoDB, etc. 

• Proficiency in frontend technologies such as React.js, Next.js, HTML, CSS, and JavaScript. 

• Experience writing unit tests using Jest and maintaining a design system with Storybook. 

• Strong problem-solving skills and attention to detail. 

• Excellent communication and collaboration skills. 

• Preferably more than 5 years of experience as a full stack developer;  

• Experience working in both Unix and Windows operating environments are preferred. 

• AWS certification (e.g., AWS Certified Developer, AWS Certified Solutions Architect). 

• Experience with Node.js for server-side development. 

• Familiarity with NoSQL databases such as DynamoDB. 

• Knowledge of CI/CD pipelines and DevOps practices. 

• Understanding of Agile development methodologies. 

Key Responsibilities

• Design, develop, and maintain robust, scalable, and high-performance applications using Java
• Build and enhance backend services, APIs, and microservices architectures
• Collaborate with frontend developers, QA engineers, and DevOps teams to deliver end-to-end solutions
• Participate in system design discussions, code reviews, and technical decision-making
• Troubleshoot, debug, and optimize application performance
• Ensure code quality through best practices, testing, and documentation
• Contribute to Agile ceremonies including sprint planning, stand-ups, and retrospectives

Requirements

• Degree in Computer Science, Engineering, or related field
• Strong experience in Java development (Spring Boot preferred)
• Proven experience in building scalable and distributed systems
• Familiarity with RESTful APIs, microservices, and cloud environments
• Experience with databases (SQL/NoSQL) and performance tuning
• Understanding of CI/CD pipelines and DevOps practices
• Strong problem-solving skills and ability to work independently

Good to Have

• Experience with containerization tools (Docker, Kubernetes)
• Exposure to cloud platforms (AWS, Azure, or GCP)
• Knowledge of messaging systems (Kafka, RabbitMQ)
• Familiarity with frontend technologies (React, Angular)

Work Location: Central

(EA Reg No: 20C0312)

Please email a copy of your detailed resume to qianyu@talentsis.com.sg for immediate processing.

Only shortlisted candidates will be notified.

Key Responsibilities

• Design, develop, and maintain robust, scalable, and high-performance applications using Java
• Build and enhance backend services, APIs, and microservices architectures
• Collaborate with frontend developers, QA engineers, and DevOps teams to deliver end-to-end solutions
• Participate in system design discussions, code reviews, and technical decision-making
• Troubleshoot, debug, and optimize application performance
• Ensure code quality through best practices, testing, and documentation
• Contribute to Agile ceremonies including sprint planning, stand-ups, and retrospectives

Requirements

• Degree in Computer Science, Engineering, or related field
• Strong experience in Java development (Spring Boot preferred)
• Proven experience in building scalable and distributed systems
• Familiarity with RESTful APIs, microservices, and cloud environments
• Experience with databases (SQL/NoSQL) and performance tuning
• Understanding of CI/CD pipelines and DevOps practices
• Strong problem-solving skills and ability to work independently

Good to Have

• Experience with containerization tools (Docker, Kubernetes)
• Exposure to cloud platforms (AWS, Azure, or GCP)
• Knowledge of messaging systems (Kafka, RabbitMQ)
• Familiarity with frontend technologies (React, Angular)

Work Location: Central

(EA Reg No: 20C0312)

Please email a copy of your detailed resume to kayla@talentsis.com.sg for immediate processing.

Only shortlisted candidates will be notified.