Total 1,748 java developer job vacancies in singapore

Roles and Responsibilities:

• Provide application maintenance and production support for Java-based enterprise applications.
• Investigate, troubleshoot, and resolve application defects, incidents, and production issues within agreed SLAs.
• Perform root cause analysis (RCA) and implement permanent fixes for recurring issues.
• Monitor application performance, system health, and batch processes to ensure smooth operations.
• Analyze business and technical requirements and implement enhancements or change requests.
• Develop, test, and deploy bug fixes and minor feature enhancements.
• Collaborate with business users, support teams, QA, and infrastructure teams to resolve issues efficiently.
• Review application logs, database queries, and system alerts to identify and address problems proactively.
• Participate in release management, deployment activities, and post-release support.
• Maintain and update technical documentation, knowledge base articles, and operational procedures.
• Ensure adherence to coding standards, security policies, and best practices.
• Support system upgrades, patching activities, and application modernization initiatives where required.
• Participate in on-call support and provide after-hours support when necessary.

Requirements:

• Candidate must possess at least a Diploma/Degree in Computer Science/Information Technology or equivalent.
• At least 3-5 years of relevant experience in JAVA/J2EE Technologies.
• At least 3-5 years of experience writing code using languages such as (but not limited to) J2EE, Java, PL/SQL, REST API, microservices.
• Some team leading experience.
• Must have Hands-on experience with Java Struts, Spring, and Hibernate enterprise frameworks.
• Worked with Version Control Systems like SVN (Subversion), GIT.
• Minimum experience of 3 or more full SDLC for web application projects.

Below mentioned skills/experiences are good to have:

• Experience in Build Automation Tools like Jenkins, ANT, Maven, Gradle, etc. will be an advantage.
• Advance understanding of modern software development methodologies (Object)
• Advance understanding of Software Testing methodologies, scripting, and tools
• Advance understanding of RDBMS databases such as Oracle, Oracle Golden Gate, Data Lake, DB2, MS SQL, MY SQL, RDS

If the requirement matches with your profile, kindly share your updated CV/resume to Aparna at aparna@wshexperts.com.sg

Lead the design, development, and deployment of scalable applications using Java and Spring Boot.
• Drive architecture decisions, microservices development, and API integration initiatives.
• Mentor and guide development teams, ensuring coding best practices and code quality.
• Collaborate with stakeholders to gather requirements and deliver technical solutions.
• 6-8+ years of Java development experience with strong expertise in Spring Boot, Microservices, REST APIs, and SQL databases.

We’re hiring a Software Developer to build and maintain web and mobile applications on containerized platforms, working in an Agile team with offshore developers.

What You’ll Do

• Develop applications based on requirements and technical designs
• Collaborate with offshore teams using Agile / Scrum
• Apply best practices in code quality, testing, CI/CD, and security
• Integrate with messaging platforms, databases, and web/mobile front ends
• Resolve performance, stability, and security issues

What We’re Looking For

• 3+ years of software development experience
• Java EE (IBM WebSphere preferred)
• Docker / Podman with Kubernetes or OpenShift
• Messaging platforms (Solace, IBM MQ)
• Oracle DB, SQL, JDBC, REST APIs, WebSocket, SSO
• Good SDLC knowledge and communication skills

Responsibilities

• Design, develop, and maintain backend applications and new features using Java as the primary , with some modules implemented in Python where applicable
• Build and enhance application components including APIs, services, and automation workflows
• Develop and maintain release pipelines, deployment scripts, and basic CI/CD workflows for new features
• Collaborate with QA/Test Engineers to define test cases, automate test flows, and support blue-green / rolling deployment strategies
• Write clear technical documentation covering application design, development setup, and troubleshooting procedures
• Participate in architectural discussions, code reviews, and continuous improvements in code quality and development standards
• Work closely with cross-functional teams to support feature planning, integration, and system optimisation

Key Requirements
Technical Skills

• Good hands-on experience in Java (Spring Boot as core)
• Additional development experience in Python for tooling, automation, or micro-services
• Good working knowledge of NodeJS or Groovy (optional but beneficial)
• Experience with frameworks/tools such as FastAPI, Celery, Kafka, ActiveMQ, and PostgreSQL
• Familiarity with container technologies (Docker) and orchestration platforms such as Kubernetes or OpenShift
• Experience building and deploying microservices-based applications
• Exposure to IaC/GitOps concepts (e.g., Ansible, Argo CD, CodeBuild) is a plus.

Software Engineering Skills

• Good understanding of modern application development, including microservices, containerisation, and API design
• Experience developing automated pipelines for application releases and basic deployment automation
• Ability to troubleshoot system, application, and integration issues across infrastructure and network layers
• Good documentation practices and ability to explain technical concepts clearly

Nice to Have

• Experience with micro-frontend or distributed application architectures
• Knowledge of Cloud applications (AWS, GCP, Azure)
• Experience in blue-green, canary, or rolling deployment strategies

What You Will Do

• Write Code: Build and update backend systems using Java and Spring Boot.

• Fix Problems: Find and fix bugs to keep services running smoothly.

• Teamwork: Work with other developers and designers in an Agile team.

• Keep Data Safe: Follow security rules to make sure citizen information is protected.

• Connect Systems: Create APIs to help different government apps talk to each other.

Skills Needed

• Java: Good experience with Java (Version 11 or higher).

• Spring Boot: Ability to build web applications using the Spring framework.

• Databases: Experience with SQL (like MySQL or PostgreSQL).

• Basic Tools: Familiar with Git (for code saving) and Jenkins (for deployment).

• Testing: Knowing how to write simple tests for your own code.

· Master's or Bachelor’s degree in Computer Science/Information Technology/Programming & Systems Analysis/Science (Computer Studies) faculties.

· Should have a minimum of 5 years of experience in relevant activities.

· Good knowledge of UNIX platform

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

· Java/J2EE, Spring, AngularJS, Spring MVC/Struts, Multi-threading, Restful web services, Swagger, JMS/WebSphere MQ, JavaScript, JQuery, XML, XSLT, Xpath, XSD

·        Valuable exposure to tools & technologies like Elastic Search, Grafana, Prometheus, Kibana, Control-M, KAFKA, Confluence, Jira, Gitlab, MQ Series, MongoDB

·        Well-experienced and having good understanding on SQL language and relational databases—MSSQL, Oracle, PostgreSQL

·        Application server – JBoss/WildFly/WebSphere

· Experience in DevOps tooling (GIT, Maven/Graven/Nuget/Ansible, Jenkins… )

· Experience with Docker/Kubernetes

· Domain-Driven Design and Microservices: Spring Boot

· Demonstrated ability to effectively utilize AI-powered tools (e.g., GitHub Copilot) toenhance productivity and problem-solving capabilities

· Understanding of AI/ML fundamentals including prompt engineering, model limitations, and bestpractices for human-AI collaboration

· Experience in evaluating AI-generated outputs for accuracy, security, and alignment withbusiness requirements

·        Ability to identify opportunities for AI integration and automation within existingworkflows and processes

We are seeking a skilled and passionate Java Developer to join our dynamic technology team. The successful candidate will be responsible for designing, developing, and maintaining high-quality Java applications. You will collaborate with cross-functional teams to deliver scalable and robust solutions that meet business requirements.

Key Responsibilities

·       Design, implement, and maintain Java-based applications according to project requirements.

·       Collaborate with business analysts, product managers, and other developers to understand end-user requirements and deliver technical solutions.

·       Write clean, efficient, and well-documented code following industry best practices.

·       Troubleshoot, debug, and resolve software defects and issues in a timely manner.

·       Participate in code reviews to ensure code quality and knowledge sharing among team members.

·       Contribute to the continuous improvement of development processes and methodologies.

·       Keep up to date with the latest Java technologies and industry trends.

Required Skills and Qualifications

·       Bachelor’s degree in Computer Science, Information Technology, or a related field.

·       Proven experience as a Java Developer or similar role.

·       Strong proficiency in Java SE/EE, Spring Framework, and related technologies.

·       Familiarity with RESTful APIs, web services, and microservices architecture.

·       Experience with databases such as MySQL, PostgreSQL, or Oracle.

·       Knowledge of version control systems (e.g.,Git).

·       Solid understanding of object-oriented programming principles.

·       Excellent problem-solving and analytical skills.

·       Strong communication and teamwork abilities.

Preferred Qualifications

·       Experience with cloud platforms (e.g., AWS, Azure, Google Cloud).

·       Proficient in Python programming in application development environments.

·       Familiarity with front-end technologies (e.g., JavaScript, Angular, React) is a plus.

·       Understanding of Agile/Scrum development methodologies.

·       Relevant Java certifications are advantageous.

Main Responsibilities

• Involve with software and product development and ad hoc projects
• Create well-architected and structured solutions
• Software analysis, software design, code implementation, software integration, module verification and validation
• Deliver software products for integration testing in accordance with software development standard procedures
• Prepare and maintain technical documentation and software deliverables
• Participate in technical discussions and provide solutions based on industry best practices
• Follow the CA-CIB methodology (Agile included)
• Support applications in production - analyze and resolve issues as they arise

The position requires autonomy and reliability in performing duties while maintaining close communication with rest of project/support team.

Qualifications and Profile

• At least 4-7 years of relevant working experience in Java/J2EE development
• Good to have experience in big data technology development like Hadoop platform.
• Bachelor or Technical Degree in Computer Science, IS, or IT is preferred
• Good understanding & working knowledge with Agile/Scrum
• Hands-on experience of end-to-end design and implementation of complex IT systems

Technical 

• Java/J2EE, Spring, Spring-Boot, RESTFUL Webservices.
• Strong knowledge in Core Java (Java 8+).
• Experience in Kafka messaging system.
• Big Data framework like Storm, Hadoop, Hdfs, Hbase, Ignite.
• SQL & No-SQL database like PostgreSQL, MySQL, Hbase, MongoDB.
• Knowledge of Flink, Redis, s3, MongoDB is an advantage.
• Tools – Maven, GIT CICD, Cucumber, Kibana.
• Knowledge of containerization technologies like Docker & Kubernetes.
• Solution design using proven patterns, awareness of anti-patterns, performance benchmarking.
• TDD driven development mindset with strong skills in Junit, Mockito and other Unit testing frameworks.
• Knowledge on DevOps Practices.

Functional

• Basic understanding of finance and investment banking

Other Professional Skills and Mindset

• Strong organizational and communication skills
• Strong analytical and problem solving skills
• Awareness of various software development procedures
• Ability to follow defined procedures
• Team player who is capable to effectively interact with technical and functional team
• Strives to deliver the solution in the most effective and timely manner
• Understanding and respect of cultural diversity.

If interested, you can click on “Apply here” or write an e-mail to Saru.Mehrotra@adecco.com with your updated resume.

NOTE: - Only shortlisted candidates will be contacted back.

Saru Mehrotra

EA License No.91C2918

Personnel Registration No. R22108558

We are Hiring!

Job Description

We are seeking an experienced Java Full Stack Developer with a minimum of 8 years of experience in designing, developing, and supporting enterprise applications. The ideal candidate will have strong technical expertise across backend and frontend technologies and be able to work effectively in a fast-paced environment.

Key Responsibilities

• Design, develop, test, and maintain enterprise applications.
• Develop and integrate RESTful APIs and microservices.
• Build and enhance frontend applications using Angular.
• Work with Oracle databases and PL/SQL for data management and optimization.
• Collaborate with cross-functional teams to deliver high-quality solutions.
• Participate in code reviews, troubleshooting, and performance optimization.
• Follow best practices for software development, testing, and deployment.

Required Skills & Experience

• Minimum 8 years of experience in software development.
• Strong proficiency in Java 8 or above.
• Hands-on experience with Spring Framework, Spring Boot, and Hibernate.
• Experience developing REST APIs and Microservices.
• Strong knowledge of Angular.
• Expertise in Oracle Database and PL/SQL.
• Experience working with RDBMS such as Oracle and SQL Server.
• Familiarity with Git, Bitbucket, and SonarQube.
• Experience with caching technologies such as Apache Ignite or similar.
• Strong analytical, problem-solving, and communication skills.

Preferred Qualifications

• Experience with LoanIQ is an advantage.
• Experience in banking or financial services environments is preferred.

Application

Interested candidates who meet the requirements are invited to apply with their updated resume.

Role: Fullstack Developer (Java & React)

Description:

Backend Java  API

 Design develop and maintain RESTful APIs using Java eg Spring Boot  Spring MVC
 Implement business logic data access layers and integrations with internal and external services
 Ensure API performance scalability security and reliability
 Write clean maintainable and welltested backend code unit and integration tests
 Participate in API design reviews and contribute to technical architecture decisions

 Frontend React

 Develop and maintain responsive web applications using Reactjs
 Consume REST APIs and manage application state effectively
 Build reusable UI components and ensure consistent user experience
 Collaborate with UXUI designers to translate designs into functional interfaces
 Optimize frontend performance and browser compatibility

 General  CrossFunctional

 Work in an AgileScrum environment participating in sprint planning standups and retrospectives
 Collaborate with DevOps and QA teams to support CICD pipelines and testing processes
 Troubleshoot debug and resolve production issues
 Contribute to code reviews and promote best engineering practices
 Document APIs system design and technical solutions

Technical Skills

 Strong experience with Java Java 8 preferably Spring Boot
 Solid understanding of RESTful API design and HTTP concepts
 Handson experience with Reactjs JavaScript ES6 HTML5 and CSS3
 Experience with SQL andor NoSQL databases eg PostgreSQL MySQL MongoDB
 Familiarity with authentication  authorization JWT OAuth2 etc
 Experience using Git and collaborating via pull requests
 Understanding of microservices architecture preferred

 Other Skills

 Strong problemsolving and analytical skills
 Good communication and collaboration abilities
 Ability to work independently and in a team environment
 Attention to code quality testing and maintainability

• 9+ years of experience in Java and Spring Boot.
• Familiar with Spring Framework, particularly Spring Boot, for microservices development.
• Experienced in Spring Integration for scalable integration solutions within the Spring Framework.
• Mandatory experience in the banking domain, preferably in corporate actions.
• Skilled in cloud technologies including Azure, Kubernetes, and Docker.
• Proficient in integrating both SQL and NoSQL databases.
• Experienced in either Angular version 6 and above or React.
• Knowledge of Kafka and Apache Camel is an added advantage. Strong communication skills.

Location: Central/North Region
Budget: Up to $8,000 (Salary to commensurate with experience)

Job Responsibilities

• Design, develop, and maintain backend applications using Java and related technologies
• Build RESTful APIs and microservices to support web and mobile applications
• Participate in system architecture, design discussions, and code reviews
• Optimize application performance, scalability, and reliability
• Integrate with databases, third-party systems, and messaging platforms
• Write clean, maintainable, and testable code following best practices
• Perform unit testing, integration testing, and support UAT/production releases
• Troubleshoot and resolve production issues
• Collaborate with frontend developers, DevOps engineers, QA, and business stakeholders
  

Qualification & Experience

• Bachelors' degree in Information Technology or equivalent.
• Min 3 years in Java based development with relevant architecture and design principles knowledge.
• Experience with messaging tools like IBM MQ / Kafka is a plus.
• Prior experience in financial or public sector industry is a plus.
• Experience building backend systems using object-oriented design principles.
• Experience with RESTful API development.

Responsibilities

• Design, develop, and maintain integration solutions using web Methods Integration Server
• Develop and deploy services using Flow, Java services, and adapters
• Work on API development, REST/SOAP web services
• Build and manage B2B integrations using Trading Networks
• Develop messaging solutions using web Methods Broker / Universal Messaging

Skills/Requirement

• 4 + years of experience in web Methods and integration development Excellent hands-on experience on web Methods Versions 9.x and 10.
• Experience in Web Methods Development using Designer Eclipse
• Experience in Trading Networks (B2B integration) web Methods API GatewaywebMethods.IO / cloud integrations
• Familiarity with DevOps tools (CI/CD pipelines)Docker / containerization
• Exposure to SAP / Oracle integrations Microservices architecture

Interested candidates, who wish to apply for the above position, please send in your resume to: ansari.abdulrahman@persolapac.com

PERSOL Singapore Pte Ltd EA License No. 01C4394 EA Reg No: R23118975 (ABDUL RAHMAN ANSARI RAJA)

We regret to inform you that only shortlisted candidates will be contacted.

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Professional

· Well organized and ability to prioritise and carry out multiple tasks

· Able to influence and drive projects to meet key milestones and overcome challenges

· Able to translate functional requirements to efficient and fit-for-purpose technical solutions

· Preferably, have experience in finance/banking domain.

 Technical

Must Have:

· Core Java 8+ and JUnit.

· Spring Boot

· Strong computer science knowledge (algorithms, data structures, object-oriented design)

· TDD. Able to write acceptance test.

· Maven

· Basic Linux shell scripting commands

· Java Messaging Concepts. (JMS, MQ)

· Relational Database concepts, SQL, joins, index, triggers etc.

· Web Services Rest, SOAP.

· Spring core concepts.

· Experience in SQL queries optimisation

· Familiarity with Intellij, Git, SonarQube/SonarLint

Desirable:

· JBOSS (or any other application server knowledge).

· Java Server Faces, JPA, EJB knowledge.

· Able to write/understand complex SQL queries.

· Kafka

· React JS

Key Responsibilities

• Develop backend services using Java (Spring Boot, Spring Framework)
• Design and build RESTful APIs
• Handle database operations (create, read, update, delete)
• Integrate front-end with backend services
• Ensure application performance, security, and scalability
• Debug and fix issues in production systems
• Write clean, maintainable, and efficient code
• Collaborate with frontend developers and DevOps teams

Technical skills:

·       Spring Boot

·       Spring MVC

·       Spring Security