Total 1,930 Others java developer job vacancies in Singapore

1) Experience that will demonstrate proficiency and ease with one or more programming languages, quality assurance, scripting languages and operating systems.

2) Solid hands-on development experience in backend technologies including JAVA, J2EE, SQL and related technology stack, preferably incorporating open source libraries.

3) Hands-on experience to Spring Framework, Spring Boot, MongoDB and JPA / Hibernate is a strong plus.

4) Exposure to frameworks like Karate and TestNG is good to have to carry out QA tasks. Some knowledge of test automation frameworks is also a strong plus.

5) Strong foundation expected in data structures, algorithms, problem solving and complexity analysis. 6) Strong designing, analytical, programming & communication skills needed, along with aptitude for building stable solutions.

7) Knowledge about writing unit test cases using frameworks like JUnit / TestNG is desired.

8) Some demonstrated experience with n-tier web application development and experience in latest JDK is desired. Java / J2EE certification is a Plus. Experience with web services standards and related technologies (XML, JSON, REST, SOAP, WS*, AXIS, JERSEY) is nice to have.

9) Demonstrable experience utilizing object-oriented patterns and design best practices is a strong plus.

10) Exposure to tools like Postman / any REST Client is desired. LINUX skills are required.

11) Exposure to frameworks like Karate and TestNG is good to have to carry out QA tasks. Some knowledge of test automation frameworks is also a strong plus.

12) Working knowledge of Continuous Integration / Delivery, and Test Driven Development is good to have.

13) Knowledge in micro services and hands-on experience on container platforms like Kubernetes, Docker and OpenShift would be a strong plus.

14) Hands on experience in distributed architecture & data streaming approaches like Kafka and RabbitMQ is a strong plus.

Job Requirements
Degree or Diploma in Computing/ Computer Science/ Computer Engineering/ Info Systems / EEE / Information Technology or equivalent
At least 2 years of working experience in the related field
Experience with full-stack development and software engineering best practices such as test-driven development, and continuous integration
Experience with Git and modern branching workflows (GitFlow, trunk-based development).
Experience with software development life cycle, agile development methodology and DevSecOps
Proficiency in Node.js, React.js, TypeScript, Spring Boot, Angular.js, Vue.js, Next.js, Express.js, Svelte, FastAPI and other common frameworks to develop software for various platform.
Strong programming skills and verifiable mastery of at least one of the following languages: Java, JavaScript, Python, C#, C++ amiliar with UI component libraries such as Material-UI, Tailwind CSS, or Bootstrap.
Proficiency in designing and maintaining scalable SQL/no-SQL databases such as MSSQL, MongoDB, PostgreSQL.
Familiar with RESTful APIs, GraphQL, gRPC, and WebSockets for service communication
Familiar with deployment workflows, CI/CD, Cloud-native architecture, and infrastructure as code (Terraform).
Proficiency in Ruby and Golang backend has an advantage (Good to have)

Job Description
Collaborate closely with Tech Lead to execute plans and technical direction for the platform.
Take ownership of features — design, build, test, deploy and maintain.
Participate actively in code reviews, system discussions and engineering best practices.
Ensure product performance, scalability and reliability at scale with strong understanding of scalable architecture, performance optimisation and secure coding practices.
Produce clear documentation for systems, features and operational procedures
Occasionally lead and drive feature development independently.
Able to work collaboratively with cross-functional teams (PM, Scrum Master, PO, UXD, BA, QA, DevOps, Data).
Comfortable working in both new and legacy codebases and learn fast.
Exhibits strong ownership, clarity in communication and good engineering hygiene.
Strong in writing, verbal communication, and presentation.
Good team player with critical thinking, analytical and creative problem-solving skills.
Resourceful, independent, responsive, and conscientious.

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.

Company Overview

K2 Partnering Solutions is a global recruitment firm specializing in IT professionals for ERP, CRM, SOA, and BI markets. With 21 offices worldwide, they focus on SAP and Cloud technologies, delivering quality staffing solutions across Asia Pacific and beyond.

Job Summary

We seek a customer-facing Java Pre-Sales professional with consulting experience supporting defence or regulated public sector clients. You will design secure, scalable Java solutions and engage senior stakeholders to drive trust and successful bids.

Responsibilities

Pre-Sales & Solutioning

• Act as the technical authority during pre-sales engagements for Java-based solutions supporting bids, RFPs, and tenders in defence and secure environments
• Translate defence and public sector requirements into scalable, secure Java solution architectures
• Design and articulate end-to-end technical solutions covering application architecture, integrations, middleware, and infrastructure
• Support effort estimation, solution costing, and define delivery approaches

Client & Stakeholder Engagement

• Engage senior customer stakeholders including technical, operational, and security teams to present solution designs and value propositions
• Deliver technical walkthroughs tailored to both technical and non-technical audiences
• Build credibility by demonstrating strong understanding of compliance, security, and operational constraints in defence contexts
• Act as a trusted advisor throughout the sales lifecycle to foster long-term client relationships

Consulting & Delivery Alignment

• Collaborate with delivery, engineering, and project teams to ensure solutions are feasible and ready for implementation
• Provide technical governance and quality assurance during transition from pre-sales to delivery phases
• Support proof-of-concepts, demos, and technical validations to validate solution effectiveness

Security & Compliance Awareness

• Incorporate security-by-design principles aligned with defence and government standards into solution designs
• Understand and apply data sensitivity, access control, and system resilience requirements typical of defence environments
• Contribute to risk assessments and develop mitigation strategies during solution architecture

Required competencies and certifications

• Strong hands-on or architectural experience with Java and enterprise Java frameworks
• Proven consulting or system integration experience supporting pre-sales, bids, or large-scale proposals
• Prior exposure to defence, government, or highly regulated public sector customers
• Ability to structure complex technical problems and communicate solutions clearly
• Technical knowledge of Java application architecture, design patterns, microservices, APIs, and system integrations
• Familiarity with cloud, hybrid, or on-premises architectures
• Understanding of DevOps, CI/CD, and modern delivery practices
• Strong client-facing communication and presentation skills
• Confidence engaging senior stakeholders in secure or formal environments
• Consultative mindset with commercial awareness and ability to balance technical depth with business context

Responsibilities

• Develop and maintain Java applications using Core Java 8+ and JUnit to ensure robust and tested code quality
• Implement and enhance backend services with Spring Boot to deliver scalable and efficient solutions
• Manage project builds and dependencies using Maven to streamline development workflows
• Execute basic Linux shell scripting commands to automate routine tasks and support deployment processes
• Apply Java Messaging concepts (JMS, MQ) to design and integrate asynchronous communication between systems
• Design and optimize relational database queries using SQL, including joins, indexes, and triggers to improve data retrieval performance
• Develop and consume Web Services using REST and SOAP protocols to enable system interoperability
• Utilize Spring core concepts to build modular and maintainable application components
• Optimize SQL queries to enhance database performance and reduce latency in data processing
• Use IntelliJ IDE for efficient code development and debugging
• Manage source code versions and collaboration using Git to maintain code integrity
• Employ SonarQube/SonarLint tools to continuously analyze code quality and enforce coding standards

Responsibilities

• Develop scalable applications using Spring Boot, MongoDB, Docker, and OpenShift/Kubernetes to meet business requirements
• Collaborate with business stakeholders to define and clarify project requirements, acceptance criteria, and success metrics for delivered features
• Partner with internal technical teams and business users to investigate issues, conduct testing, and manage deployments effectively
• Support existing applications by troubleshooting, fixing bugs, and implementing necessary upgrades or modifications to enhance functionality
• Manage release processes including raising Change Requests and scheduling, RTPM
• implementation of fixes and enhancements to ensure smooth delivery
• Deploy releases, patches, and fixes on the platform while maintaining high availability and stability
• Analyze application performance and perform tuning to optimize platform reliability and responsiveness
• Apply agile development methodologies to deliver iterative improvements and respond to changing project needs

Required competencies and certifications

• Bachelor’s or advanced degree in computer science or engineering
• Minimum 3 years of hands-on experience in programming and application development using Java, Spring Boot, and REST/API
• Experience building cloud-native applications, microservices, and working with cloud platforms such as OpenShift/Kubernetes
• Proficiency in MySQL/MariaDB or other relational databases
• Proficiency in Git and Bitbucket for version control
• Knowledge of automated build pipelines using Jenkins with Groovy scripting
• Experience working in Unix/Linux environments

Your new company

Be a part of a leading tech company, engaging with exciting new technologies.

Your new role

Our client is looking for a Senior MLC Reporting Stream Member with strong expertise in Murex MLC and Datamart reporting within a credit risk domain. The candidate will be responsible for end-to-end ownership of reporting deliverables, covering requirements analysis, configuration, testing, validation, and user support. This role requires close collaboration with business stakeholders to ensure timely and accurate delivery of reporting solutions.

• Own and deliver project deliverables within the assigned domain of expertise, managing them end-to-end.
• Organize and coordinate required activities to ensure deliverables meet agreed specifications and timelines.
• Configure and manage LTS setups.
• Set up reporting frameworks using LRB and integrate reports with the Murex Datamart.
• Perform MLC End-of-Day (EOD) setup, scheduling, and execution.
• Analyze business requirements and translate them into functional and technical specifications.
• Prepare detailed documentation, including specifications and design documents.

What you need

• At least 7 years’ experience with Murex (MLC and Datamart modules)
• Experience in building and optimizing reports and scheduling, managing EOD processes
• Experience with Unix/Linux environments and Oracle and/or Sybase
• Experience with job schedulers such as Control-M or AutoSys
• Understanding of credit risk reporting concepts.

What you'll get in return 
This is an exciting opportunity to join a global company. You will be part of a dynamic team and you will be remunerated at market competitive rates.

What you need to do now

If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or email tanvi.krishna@hays.com.sg for a confidential discussion.

Referrals are welcome.

EA Reg Number: R22110311

EA License Number: 07C3924 | Company Registration No: 200609504D

Company Overview

AspenHealth is a management consulting firm specializing in primary and allied healthcare talent recruitment, facilities maintenance, marketing, and pharmacy management.

Job Summary

Develop and support clinic software and web services to enhance healthcare operations, ensuring secure, efficient, and compliant systems that integrate with government services and support clinic staff productivity.

Responsibilities

• Develop and maintain clinic software and web services/APIs that exchange data with government services to ensure seamless integration and compliance
• Research and implement advanced software solutions to improve productivity and performance for HQ and clinic staff
• Design and develop solutions using C#/VB.NET with MSSQL databases to meet operational needs
• Provide 2nd level application support by independently analyzing and resolving user issues during clinic operational hours
• Create dashboards to monitor production system status for proactive system management
• Develop secure systems compliant with IT security policies and development best practices
• Participate in mobile development projects by applying relevant experience or demonstrating aptitude for mobile technologies

Required competencies and certifications

• Bachelor's Degree in Computer Science, Engineering, or equivalent
• Minimum 2 years of programming experience in ASP.NET, Entity Framework, MVC, C#, VB.NET, and AJAX
• Experience designing Web API and SOAP web services following best practices
• Proficient in writing SQL scripts for data analysis
• Skilled in HTML and CSS with responsive design expertise, including handling cross-browser and cross-device compatibility
• Experience leveraging cloud services effectively in project development
• Ability to support systems independently during clinic operational hours

Preferred competencies and qualifications

• Experience in the healthcare industry
• Experience with mobile development frameworks such as React Native, Xamarin, and Flutter
• Familiarity with mobile application architecture patterns including MVVM, MVP, and MVC
• Ability to work independently with minimal supervision

Job Overview:
We are seeking a highly skilled Software Developer to join our team in Singapore. The successful candidate will be responsible for researching, designing, and developing software and applications. This role requires strong analytical skills and the ability to develop innovative software solutions that meet user needs and performance requirements.
Key Responsibilities:

• Research, design, and develop computer software and applications to meet business and technical requirements.
• Analyze user needs and translate them into software solutions using computer science, engineering, and mathematical principles.
• Update, enhance, and optimize existing software to improve performance and functionality.
• Develop and direct software testing and validation procedures to ensure quality and security.
• Collaborate to integrate hardware and software systems for seamless operation.
• Define software specifications and performance requirements for new and existing applications.
• Stay updated with emerging technologies to continuously improve software development processes.

Requirements:

• A Bachelor’s degree in Computer Science, Information Technology, Programming & Systems Analysis or Science (Computer Studies)
• Minimum of three (3) years of work experience as a Software Developer.
• Proficiency in programming languages, such as , Java, Python, JavaScript or GoLang
• Experience in Agile or other software development methodologies
• Strong knowledge of software architecture, database systems, and cloud technologies.
• Ability to develop scalable and efficient software solutions.
• Strong problem-solving and analytical skills.
• Excellent communication skills in English (both written and verbal).

Why Join Us?

• Competitive salary & benefits package
• Career growth & professional development in a fast-paced tech environment.
• Collaborative and innovative work culture with exposure to the latest technologies

We are looking for a skilled and passionate .NET Developer to join our product team. You'll be involved throughout the full Software Development Life Cycle (SDLC), contributing to analysis, design, development, testing, and deployment of the project on-premise and on cloud. This role requires strong technical skills, a problem-solving mindset, and the ability to work across both backend and frontend components in enterprise systems.

Primary Responsibilities

•Translate technical and functional requirements into clean, scalable code.

•Develop and maintain N-Tier applications using C#, ASP.NET Core (MVC).

•Support project delivery across the full SDLC.

•Contribute to technical design (logical and physical).

•Build browser-based front-end solutions and integrate with backend services.

•Perform unit testing, SIT, and UAT coordination.

•Identify system issues and recommend improvements.

Job Requirements

•At least 2 years of experience in .NET development with 1-2 full project lifecycles.

Technical Skills – Must Have:

•Proficient in C# and ASP.NET Core (MVC).

•Solid understanding of object-oriented programming (OOP).

•Experience in designing and implementing RESTful APIs using ASP.NET Core.

Good to Have:

•Good understanding of database schema design and ability to write efficient, well-structured SQL queries

•Familiarity with React.js or similar web frameworks.

Soft Skills:

•Strong communication and time management skills.

•Adaptable, self-motivated, and able to handle multiple priorities.

•Willing to commit extended hours during project peaks

Your new company

Be a part of a leading tech company, engaging with exciting new technologies.

Your new role

Our client is looking for a Senior MLC Reporting Stream Member with strong expertise in Murex MLC and Datamart reporting within a credit risk domain. The candidate will be responsible for end-to-end ownership of reporting deliverables, covering requirements analysis, configuration, testing, validation, and user support. This role requires close collaboration with business stakeholders to ensure timely and accurate delivery of reporting solutions.

• Own and deliver project deliverables within the assigned domain of expertise, managing them end-to-end.
• Organize and coordinate required activities to ensure deliverables meet agreed specifications and timelines.
• Configure and manage LTS setups.
• Set up reporting frameworks using LRB and integrate reports with the Murex Datamart.
• Perform MLC End-of-Day (EOD) setup, scheduling ,and execution.
• Analyze business requirements and translate them into functional and technical specifications.
• Prepare detailed documentation, including specifications and design documents.

What you need

• At least 7 years’ experience with Murex (MLC and Datamart modules)
• Experience in building and optimizing reports and scheduling, managing EOD processes
• Experience with Unix/Linux environments and Oracle and/or Sybase
• Experience with job schedulers such as Control-M or AutoSys
• Understanding of credit risk reporting concepts

What you'll get in return 
This is an exciting opportunity to join a global company. You will be part of a dynamic team and you will be remunerated at market competitive rates.

What you need to do now

If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or email tanvi.krishna@hays.com.sg for a confidential discussion.

Referrals are welcome.

EA Reg Number: R22110311

EA License Number: 07C3924 | Company Registration No: 200609504D

Roles & Responsibilities

• Manage end-to-end solution architecture and build Java & Web applications on AWS
• Designing, developing, and maintaining high-performance backend services using Java and the Spring Framework
• Designing solutions that are technically sound, scalable, secure, and aligned with business goals
• Managing the technical design and the application development, including testing the developed software
• Designing and developing APIs using Spring Boot and the OpenAPI framework within a microservices architecture

Requirements

• AWS Certification – Solution Architect Associate and Developer Associate
• 8 years of total working experience and at least 6 years of relevant work experience.
• Strong experience in supporting critical application workloads on AWS Cloud
• Providing hands-on support including prototyping and coding, Building proof-of-concepts (POCs).
• Must have exp on cloud platforms AWS.
• Strong experience in integrating application with supporting systems//tools like 2FA, identity Providers (IdP).
• Building POC to validate ideas before full-scale development
• Reviewing technical designs, code, and documentation to ensure quality and consistency
• Must have experience in React JS / Angula JS .
• Performance Tuning: Practical knowledge of JVM tuning, garbage collection optimization, and application performance profiling.
• Set up an end-to-end design for product deployment utilizing Docker’s containerized images
• Must have exp in Credit card and transaction banking(payment) domain.

Roles & Responsibilities

• Manage end-to-end solution architecture and build Java & Web applications on AWS
• Designing, developing, and maintaining high-performance backend services using Java and the Spring Framework
• Designing solutions that are technically sound, scalable, secure, and aligned with business goals
• Managing the technical design and the application development, including testing the developed software
• Designing and developing APIs using Spring Boot and the OpenAPI framework within a microservices architecture

Requirements

• AWS Certification – Solution Architect Associate and Developer Associate
• 10 years of working experience and at least 8 years of relevant work experience.
• Strong experience in supporting critical application workloads on AWS Cloud
• Providing hands-on support including prototyping and coding, Building proof-of-concepts (POCs).
• Must have exp on cloud platforms AWS.
• Strong experience in integrating application with supporting systems//tools like 2FA, identity Providers (IdP).
• Building POC to validate ideas before full-scale development
• Reviewing technical designs, code, and documentation to ensure quality and consistency
• Must have experience in React JS / Angula JS .
• Performance Tuning: Practical knowledge of JVM tuning, garbage collection optimization, and application performance profiling.
• Set up an end-to-end design for product deployment utilizing Docker’s containerized images
• Must have exp in Credit card and transaction banking(payment) domain.

Responsibilities

• Translate application storyboards and use cases into functional applications
• Design, build, and maintain efficient, reusable, and reliable code
• Integrate data storage solutions
• Ensure the best possible performance, quality, and responsiveness of applications
• Identify bottlenecks and bugs, and devise solutions to mitigate and address these issues
• Help maintain code quality, organization, and automatization

Skills

• Strong knowledge of .NET web framework
• Proficient in {C# and/or VB.NET}, with a good knowledge of their ecosystems
• Strong understanding of object-oriented programming
• Skill for writing reusable libraries
• Familiar with various design and architectural patterns
• Knowledge of concurrency patterns
• Familiarity with Microsoft SQL Server,RTPM
• Experience with popular web application frameworks
• Knack for writing clean, readable, and easily maintainable code
• Understanding of fundamental design principles for building a scalable application
• Experience creating database schemas that represent and support business processes
• Basic understanding of Common Language Runtime (CLR), its limitations, weaknesses, and workarounds
• Experience implementing automated testing platforms and unit tests
• Proficient understanding of code versioning tools {{such as Git, SVN, and Mercurial}}

• Develop, test, and maintain web and mobile applications using the OutSystems low-code platform.
• Collaborate with cross-functional teams, including business analysts, designers, and other developers to understand business requirements and deliver effective solutions.
• Design and implement features, integrations, and workflows within the OutSystems platform.
• Create responsive, user-friendly interfaces that provide a great user experience.
• Perform system integrations, including with third-party APIs, databases, and legacy systems.
• Troubleshoot, debug, and optimize applications for performance, security, and scalability.
• Write and maintain technical documentation related to the application and development processes.
• Participate in code reviews and ensure adherence to coding standards and best practices.
• Stay updated with the latest features, updates, and best practices within the OutSystems platform.
• Contribute to continuous improvement initiatives, ensuring development processes are efficient and effective.

Other Skills:

• Positive attitude and collaborative mindset.
• Willing to work across projects and perform manual / automation / exploratory testing
• Highly motivated to keep abreast with the latest development in technology and to acquire deep technical knowledge and skills.
• Excellent communication, presentation, and interpersonal skills.
• Willing to work with rotational shifts and must work on weekends