Total 1,998 java developer job vacancies in Singapore

• Design, implement, test, and deploy end-to-end software solutions in the T&O-MOT-LCS domain with the following key responsibilities
• Collaborate closely and communicate independently with project managers, business analysts, development leads, test engineers, infrastructure engineers, and business users.
• Participate in the analysis and requirements gathering phase and help to translate requirements into technical solutions that meet client needs and expectations
• Troubleshoot the application by debugging issues, fixing bugs, identifying bottlenecks, and offering third level support.
• Build, package and release software artifacts in an automated way to all environments including production
• Be responsible for the performance, stability, reliability, and security of the application
• Proactively identify efficiency and design improvements to existing systems and processes
• Min 10+ years of technology delivery experience in software development
• Hands on experience in at least one server-side object-oriented programming language
• Experience using source code control systems and branching strategies including with hands on experience branching, merging, and releasing
• Experience with a major relational database system
• Knowledge of data structures, design patterns, architectural styles, and API designs
• Hands-on experience with JAVA (Spring, Springboot) in a Unix/ Linux environment
• Hands-on experience with relational databases, preferably MySQL, NoSQL, MariaDB or SQL Server.
• Knowledge of software best practices, like Test-Driven Development (TDD) and Continuous Integration (CI).
• Experience in CI-CD tools like Bitbucket Jenkins, Nexus, JIRA, confluence, RTPM
• A team player with excellent communication and interpersonal skills.
• Experience in data ETL pipelines (including reconciliation and quality tools and techniques) an advantage
• Experience working in agile technology teams
• Ability to adapt to challenges while remaining calm in a constantly changing environment
• Experience in Agile methodologies such as Scrum.

Responsibilities:

• Collaborate closely with System Analysts and Technical Leads to understand and clarify functional and technical requirements.
• Design, build, and maintain scalable Springboot3 Java backend API services in alignment with technical specifications and architectural guidelines.
• Analyze, troubleshoot, and resolve application performance issues with strong focus on multi-threading and concurrency.
• Ensure high standards of code quality, unit test coverage, performance, and security, in compliance with code quality gates and best practices.
• Take end-to-end ownership of assigned deliverables, proactively driving tasks to completion with minimal supervision.
• Optimize application logging and monitoring to ensure effective ingestion by Splunk, enabling meaningful diagnostics, metrics, and operational insights
• Participate in code reviews and provide constructive feedback to maintain consistent engineering standards.-        

Requirements:

·      At least 3 years in in Java and backend development frameworks (e.g., Spring / Spring Boot).

·      Solid understanding of RESTful API design, microservices architecture, and backend integration patterns and security like OAuth2

·      Experience with multi-threading, concurrency, and performance tuning in Java applications.

·      Familiarity with logging frameworks (e.g., Log4j, Logback) and observability tools such as Splunk.

·      Familiarity with DevOps and CI/CD practices using Jenkins.

·      Hands‑on experience with Unix/Linux, shell scripting, and Oracle SQL tuning

·      1-2 year exposure to financial services domain. Private banking or Wealth management domain is a big plus

·      Past experience involving integration with Temenos Triple’A Plus ODATA is big plus.

• Good analytical and problem-solving skills with attention to detail.

Key Domain/ Technical Skills
·       Oracle SQL& PL/SQL
- Optimization, normalization, stored procedures

·       Java &Backend application development
- Spring boot 3/Java 17 in REST API & Microservices Design

• Logging, Monitoring & Observability

Responsibilities:

• Partner closely with System Analysts, Technical Leads, and Domain Architects to refine functional and technical requirements, challenge assumptions, and ensure scalable and robust solution designs.
• Lead the design and development of enterprise-grade Java backend API services ensuring alignment with architectural standards and long-term platform strategy.
• Proactively analyze and resolve complex performance and stability issues, with deep focus on multi-threading, concurrency, and JVM-level tuning.
• Drive and enforce high standards of code quality, security, performance, and test coverage, ensuring full compliance with engineering standards and quality gates.
• Design and optimize application logging and observability strategies, ensuring effective ingestion by Splunk for operational monitoring, diagnostics, and analytics.
• Perform and lead code reviews, mentor junior developers, and promote best engineering practices within the team.
• Conduct technical reviews, mentoring junior engineers, and driving engineering best practices across the team.
• Take strong ownership of end-to-end deliverables, from design through production, and proactively identify risks, dependencies, and improvement opportunities.
• Work with technical delivery manager, architect to identify and proactively manage technical risks, dependencies, and non-functional requirements.
• Contribute to production support, root cause analysis, and continuous improvement initiatives to enhance system reliability and resilience.

Requirements:
·      Bachelor’s degree in Computer Science, Engineering, or a related technical discipline.

·      At least 5 years of experience in the financial services domain. Private banking or Wealth management domain is a big plus

·      10+ years of hands-on experience in Java 17 or higher especially on Springboot3 development, with demonstrated ownership of complex systems in enterprise environments. Prior experience in using UFW Java framework is big plus

·      Strong proficiency with Oracle Database, including advanced SQL and PL/SQL, data modeling, query optimization, transaction management, and integration via ORM technologies (Spring JPA) and JDBC.

·      Proven experience in integration and messaging, including MQ-based communication (e.g., IBM MQ or equivalent), designing event-driven and asynchronous transaction workflows, ensuring reliability, idempotency, and consistency across distributed systems.

·      Demonstrated ability to design, tune, and troubleshoot high‑performance systems, enforcing code quality, test coverage, and enterprise quality gates, with robust logging and observability using Log4j/Logback/SLF4J and Splunk.

Experience in integrating with Temenos Triple’A Plus is a plus.

Key Domain/ Technical Skills

·       Java backend development using Spring boot 3/Java 17

·      Oracle database including SQL/PLSQL, transaction management, performance tuning, and data access via JPA/JDBC.

Asynchronous, MQ-based transaction workflows

, with strong focus on reliability, code quality, and observability using Splunk

.

One North Consulting, a Singapore based firm specializing inproviding AI based Technology Solutions is currently hiring JavaDevelopers with 2 ~ 4 years’ experience as per details given below.

Responsibilities:

• Design, develop and maintain mission-critical systems, delivering high-availability and performance.
• Have a passion for delivering zero defect high quality code, with proactive mindset.
• Own end-to-end delivery responsibility for modules, participate in Continuou Integration activities, automation frameworks for testing and deployments and other related items.

Technical Skills

• 2 ~ 3 years of experience in Design Development and support of large web-based systems, complete software product lifecycle exposure
• Strong in backend design/development of Java, Spring Boot, Spring Cloud based systems.
• Atleast 2 year experience with Java 17+ (Java 17, Java 21 etc)
• RESTful APIs and Microservices development (Spring Boot, Spring Cloud)
• Micro Services
• Cloud - Azure preferred
• Have sound understanding of RDBMS.
• Cosmos DB
• Understanding of Azure Cloud, GIT, Jenkin Pipelines and DEVSECOPS.
• Experienced in UI designing.
• Strong culture on Software Testing (Unit Test, TDD, BDD)
• Experience and affinity with Agile development methodologies (Scrum, Kanban, XP/eXtreme Programming)
• Complexity estimation / planning poker
• Strong understanding of environment management, release management, code versioning, engineering best practices, and deployment methodologies

Are you a passionate Software Engineer? We want you!

Join an innovative team driving digital transformation and developing impactful solutions for Singapore. 

• Salary package up to $11,000 + AWS (based on experience)
• Hybrid work setup that supports work-life balance
• Play a key role in developing and scaling large, citizen-facing applications
  

What you'll do:

1. Participate in end-to-end software development cycle which includes front-end and back-end development.
2. Build and maintain high performance & secure APIs accessible through mobile applications, web portals & partner services
3. Deliver high-quality, secure, maintainable and testable code
4. Collaborate with a cross-functional team of developers & designers to create services for public sector
5. Maintain continuous integration & deployment pipelines to bring value to our users iteratively
   

Requirements:

• 5+ years’ relevant experience in Full Stack Development
• Degree/Diploma in Computer Science, Information Systems, or related
• Experience in web application development using ReactJS and NodeJS / Golang / TypeScript / etc
• Experience with cloud platforms e.g.: Amazon AWS, Google Cloud Platform, Azure, etc
• Experience in large-scale monitoring or distributed systems
• Experience in creation/maintenance of APIs
• Familiar with Agile and CI/CD practices

If you’re ready to lead impactful government projects and advance your career in a forward-thinking environment, submit your application now to spsh@scientecpersonnel.com

By submitting any application or resume to us, you will be deemed to have agreed & consented to us collecting, using, retaining & disclosing your personal information to prospective employers for their consideration. Please refer to ScienTec’s Privacy Policy https://www.scientecconsulting.com/privacy-policy for full details.

This authorizes us to:

• Contact you about potential opportunities.
• Delete personal data as it is not required at this application stage.
  

All applications will be processed with strict confidence. Only shortlisted candidates will be contacted.

Shirley Hang Wei Dinq (Outsourcing Team)

ScienTec Consulting Pte Ltd – 11C5781

about the company.
A leading global financial services institution and technology hub in Singapore, recognized for its robust banking infrastructure and commitment to delivering high-availability payment solutions and digital banking excellence.

about the job.
Take a key role in the technical evolution and maintenance of mission-critical banking systems, focusing on the development of secure and efficient financial transaction modules.

• Design, engineer, and configure sophisticated software components and interfaces within a legacy enterprise environment.

• Collaborate within a multidisciplinary team to deliver high-quality technical solutions that align with legacy system standards and modern financial regulations.

• Research and implement innovative business logic to continuously improve system functionality and address evolving user needs.

• Utilize project management and version control tools to track development progress and manage software releases.

• Proactively identify technical bottlenecks or system risks, ensuring timely escalation and resolution to maintain operational continuity.

skills and experience required.

• Minimum of 5 to 8 years of professional development experience specifically within an AS400 enterprise environment.

• Advanced technical proficiency in COBOL programming and relational database management using DB2.

• Strong hands-on experience with SQL for data extraction, manipulation, and complex query troubleshooting.

• Deep domain expertise in the banking sector, with specific exposure to payment processing systems and financial messaging.

• Proven experience across the full software delivery lifecycle, including familiarity with tools such as JIRA and ALDON.

• Minimum 6 years real relevant experience
• Advanced proficiency in Java (17+) with strong grasp of OOP, concurrency, and JVM internals
• Deep experience with Spring Boot ecosystem:
• Spring MVC, Spring Data, Spring Security, Spring Cloud
• Strong understanding of microservices architecture (resilience, service discovery, API gateways)
• Hands-on experience with relational databases such as MariaDB, including query optimization Expertise in designing and building RESTful APIs
• Experience with messaging systems like Apache Kafka or IBM MQ
• Strong testing practices using JUnit, Mockito, Karate
• Solid understanding of design patterns and SOLID principles
• Expert-level experience with React (18+) and TypeScript

Required Backend Technical Skills

  - Strong proficiency in Java (Java 17+) with deep understanding of core concepts
  - Expert-level Spring Boot framework knowledge (Spring MVC, Spring Data, Spring Security, Spring Cloud)
  - Solid understanding of microservices architecture patterns and best practices
  - Experience with relational databases (Maria DB) and SQL optimization
  - Strong knowledge of RESTful API design principles
  - Experience with message queues (Kafka, IBM MQ, etc.)
  - Unit testing and integration testing (JUnit, Mockito, Karate)
  - Strong understanding of design patterns and SOLID principles

  Required Frontend Technical Skills

  - Expert-level Typescript React 18+ experience with deep understanding of hooks, context, and component lifecycle
  - Strong Redux and Redux Toolkit (RTK) proficiency for state management
  - RTK Query for efficient data fetching and caching
  - Micro Frontend (MFE) architecture design and implementation (Module Federation, Single-SPA, or similar)
  - Advanced HTML5 and semantic markup
  - Expert-level CSS3, including Flexbox, Grid, and responsive design
  - CSS-in-JS solutions (Styled Components, Emotion)
  - Modern JavaScript/TypeScript (ES6+)
  - Frontend build tools (Webpack, Vite, or similar)
  - Frontend testing frameworks (Jest, React Testing Library, Cypress, Playwright)
  - Performance optimization techniques (code splitting, lazy loading, memoization)

  Additional Technical Experience (Preferred)

  - TypeScript for type safety
  - Cloud platforms (PCF, AWS, OCP)
  - Containerization (Docker) and orchestration (Kubernetes)
  - CI/CD pipelines (Jenkins, GitLab CI, GitHub Actions)
  - Event-driven architecture
  - Design systems and component libraries (Storybook)
  - Monitoring and observability tools (Prometheus, Grafana, ELK stack, Sentry)
  - Performance profiling and optimization (Lighthouse, Web Vitals)

  Architecture & Design Skills

  - Microservices and Micro Frontend architecture patterns
  - API design and integration patterns
  - Distributed systems and caching strategies
  - Security best practices (OAuth, JWT, CORS, XSS, CSRF prevention)
  - Scalability and performance optimization
  - Domain-driven design (DDD)

  Soft Skills

  - Strong problem-solving and analytical thinking abilities across frontend and backend
  - Excellent communication skills for technical discussions and documentation
  - Ability to mentor and guide team members on both frontend and backend technologies
  - Self-motivated with ability to work independently and in teams
  - Strong ownership and accountability mindset
  - Comfortable context-switching between frontend and backend work
  - Ability to make pragmatic technical trade-offs

Nice to Have

  - Experience with agile/scrum methodologies
  - Contributions to open-source projects
  - Understanding of DevOps practices

Our esteemed client in the IT industry is seeking a Senior Frontend Engineer to join their dynamic team:

• Employment Type: 1-year renewable contract
• Position: Senior Frontend Engineer  
• Location: Novena
• Working Hours: Monday to Friday, 8.30am to 6pm (Hybrid Working Arrangements)
• Salary Package: Up to $7,200 + Bonus + Medical Benefits

Job Responsibilities:

• Design, develop, and maintain responsive web applications with a focus on geospatial solutions and modern web technologies.
• Develop and maintain frontend components for web applications using modern JavaScript frameworks (Next.js, Leaflet.js, etc)
• Implement responsive and cross-browser compatible user interfaces
• Integrate frontend applications (AWS services, external systems) with RESTful APIs and backend services
• Collaborate with development teams using Agile methodologies
• Optimize applications for scalability, observability, and cost-efficiency in an AWS cloud-native environment.
• Apply security best practices and ensure compliance with AWS security standards
• Ensure code quality through testing and code reviews

Job Requirements:

• Degree in Computer Science, Software Engineering, IT, or related disciplines.
• Highly proficient in jQuery, HTML5, CSS3, WebGL, and Node.js.
• Strong experience with the React.js framework.
• Proven experience integrating RESTful APIs.
• Solid expertise in cross-browser development and compatibility.
• Experience with open-source geospatial libraries/solutions (e.g., Leaflet.js, Mapbox JS, Cesium) is an advantage.
• Experience working with databases such as PostgreSQL/PostGIS or MongoDB is preferred.
• Familiarity with cloud platforms and containerization tools (e.g., Docker) is preferred.
• Experience with AWS services is a plus.
• Understanding of modern development workflows and tools (e.g., Git, CI/CD practices).

Ready to apply? Here’s how: 

• Click the APPLY button, or 
• Email your resume (in MS Word or PDF format) to adelin@intuitrecruitment.com. Include the job title in your email subject line for prompt processing. 

Only shortlisted candidates will be notified. 

By submitting your application, you consent to the collection and use of your personal data under Personal Data Protection Act (PDPA). 

Adelin Chong | EA Personnel Reg No.: R1875641 

Intuit Recruitment Pte Ltd | EA License No.: 25C2793 

• Developing scripts for verifying the correct operation of integrations
• Developing implementation plans that maximize the potential of the Oracle technology whilst minimizing implementation risk
• Troubleshooting technical issues reported by customers
• Strong technical and functional skills in Oracle ERP
• Writing efficient, scalable, and reliable code in programming languages such as C, C++, Java, or COBOL to implement application logic, RTPM
• Ability to work independently and manage multiple priorities in a dynamic, deadline-driven environment
• Providing technical support and guidance to other team members and stakeholders
• Collaborating with cross-functional teams, including business analysts, system administrators, and database administrators, to gather requirements, design application architecture, and ensure seamless integration
• Developing and maintaining documentation for applications, including code comments, technical specifications, and system configurations
• Performing unit testing, debugging, and troubleshooting to ensure the applications meet functional and performance requirements
• Have a keen interest in learning how to use technology to solve clients’ business problems and relish the prospect of designing and delivering these solutions for clients
• Strong proficiency in programming languages such as C, C++, Java, or COBOL
• Knowledge of database systems and SQL
• Excellent problem-solving and debugging skills
• Strong communication and teamwork skills

We are looking for Salesforce Developers with hands-on experience in Salesforce development and configuration, preferably within Salesforce Industries (Public Sector Solutions) and Omnistudio

Responsibilities:

• Design, build, and configure Salesforce applications to meet business process and application requirements.

• Develop and enhance system functionality through configurations and, where required, Apex or Visualforce customizations.

• Utilize Salesforce Omnistudio components (including Omniscripts, Integration Procedures, and DataRaptors) to deliver scalable solutions.

• Configure and support packaged or SaaS applications, manage releases, and maintain system stability.

• Conduct technical analysis and contribute to the design and configuration for system integrations and customizations.

• Collaborate with cross-functional teams to gather requirements, develop solutions, and implement enhancements.

• Perform thorough testing and quality assurance to ensure high reliability and performance.

• Provide technical guidance, training, and support to team members and stakeholders on Salesforce features and best practices.

• Stay current with industry trends, Salesforce updates, and best practices to continuously improve system performance and team effectiveness.

Requirements:

• Technical Skills:

– Proficiency in Salesforce Omnistudio (Omniscripts, Integration Procedures, DataRaptors) is highly preferred.

– Experience with Salesforce Industries / Public Sector Solutions is a strong advantage.

– Knowledge in Packaged Development Estimating, Packaged Application Integration, and Software Platforms is beneficial.

Certifications:

a. Salesforce Platform App Builder

b. Salesforce JavaScript Developer I

c. Salesforce Platform Developer I

d. Salesforce Platform Developer II

• Strong problem-solving skills and ability to design innovative, efficient solutions.

• Excellent communication and collaboration skills, with the ability to work effectively across teams.

• Demonstrated ability to take ownership of deliverables and contribute to key technical decisions.

Nice to Have:

• Exposure to Salesforce Omnistudio advanced configurations or Public Sector Solutions (PSS) modules.

• Experience leading small teams or mentoring junior developers.

• Familiarity with low-code tools, APIs, and packaged application development methodologies.

• Minimum 6 years real relevant experience
• Advanced proficiency in Java (17+) with strong grasp of OOP, concurrency, and JVM internals
• Deep experience with Spring Boot ecosystem:
• Spring MVC, Spring Data, Spring Security, Spring Cloud
• Strong understanding of microservices architecture (resilience, service discovery, API gateways)
• Hands-on experience with relational databases such as MariaDB, including query optimization Expertise in designing and building RESTful APIs
• Experience with messaging systems like Apache Kafka or IBM MQ
• Strong testing practices using JUnit, Mockito, Karate
• Solid understanding of design patterns and SOLID principles
• Expert-levelexperience with
• React (18+) and TypeScript

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}}

We are seeking a highly skilled Full Stack Developer with deep expertise in both Java Spring Boot backend and modern React frontend technologies. The ideal candidate will have strong technical fundamentals across the entire stack, proven ability to design scalable systems, and experience leading development efforts.

Key Responsibilities

• Design, develop, and maintain full-stack applications using Java Spring Boot and React
• Build and optimize RESTful APIs and microservices
• Implement and maintain Micro Frontend (MFE) architectures
• Mentor junior and mid-level developers and conduct code reviews
• Drive best practices across the entire technology stack
• Collaborate with cross-functional teams, including DevOps, UX/UI designers, and product managers
• Troubleshoot complex production issues across frontend and backend
• Drive technical innovation and continuous improvement initiatives
• Participate in system design discussions and contribute to the technical roadmap

Required Backend Technical Skills

• Strong proficiency in Java (Java 17+) with a deep understanding of core concepts
• Expert-level Spring Boot framework knowledge (Spring MVC, Spring Data, Spring Security, Spring Cloud)
• Solid understanding of microservices architecture patterns and best practices
• Experience with relational databases (MariaDB) and SQL optimization
• Strong knowledge of RESTful API design principles
• Experience with message queues (Kafka, IBM MQ, etc.)
• Unit testing and integration testing (JUnit, Mockito, Karate)
• Strong understanding of design patterns and SOLID principles

Required Frontend Technical Skills

• Expert-level TypeScript with React 18+ and a deep understanding of hooks, context, and lifecycle
• Strong Redux and Redux Toolkit (RTK) proficiency for state management
• RTK Query for efficient data fetching and caching
• Micro Frontend (MFE) architecture design and implementation (Module Federation, Single-SPA, or similar)
• Advanced HTML5 and semantic markup
• Expert-level CSS3, including Flexbox, Grid, and responsive designCSS-in-JS solutions (Styled Components, Emotion)
• Modern JavaScript/TypeScript (ES6+)Frontend build tools (Webpack, Vite, or similar)
• Frontend testing frameworks (Jest, React Testing Library, Cypress, Playwright)
• Performance optimization techniques (code splitting, lazy loading, memoization)

Architecture & Design Skills

• Microservices and Micro Frontend architecture patterns
• API design and integration patterns
• Distributed systems and caching strategies
• Security best practices (OAuth, JWT, CORS, XSS, CSRF prevention)
• Scalability and performance optimization
• Domain-driven design (DDD)