Total 64 java developer job vacancies in Islandwide

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

· 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

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

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.
Job Summary

The Software Engineer is responsible to develop software based on design requirements and ensure software and subroutines are working to specification. The role ensures program codes conform to standards and are delivered with quality, meeting schedule and requirements.

Responsibilities | CORE

• Analyse process and program specifications and translate into program codes
• Ensure conformance to programming guidelines and best practices
• Make changes to configurable items including hardware, software, and documentation
• Perform configuration management planning, identification, controls, and audits
• Develop unit test packages, execute tests, and document results to ensure quality
• Support integration testing, system testing, UAT, and implementation activities
• Fix reported problems or bugs to ensure smooth execution in production
• Investigate errors and initiate amendments and testing for correct and efficient system operation
• Prepare and maintain up-to-date system documentation
• Analyse functional requirements and translate into application design using established methodologies
• Ensure codes comply with security guidelines

Essential Qualifications

• Diploma or degree in Computer Science, Computer Engineering, Information Technology, or equivalent
• 1–4 years of experience in developing and delivering application software;
• Relevant system development and maintenance experience using Java-related technologies
• Experience with Spring Boot, Spring Web MVC, Apache Maven and Jasper Report has an added advantage
• Strong problem-solving skills with ability to think creatively
• Proficient in written and spoken English
• Willingness to travel as required

Preferred Attributes

• Initiative and strong commitment to results and quality standards
• Team player with strong communication and interpersonal skills
• Self-motivated with positive attitude and high energy
• Customer-focused with strong service orientation

Professional and/or Technical Certifications

• Oracle Certified Professional (Java) Preferred.

ADDITIONS

• Work with team lead to ensure design and codes conform to architecture and standards
• Participate in requirements gathering and review functional specifications with Business Analysts
• Participate in peer reviews to improve project quality.

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 khalid@aven-sys.com. Your interest will be treated with strict confidentiality.

- Understand the processes, flows, functional and non-functional requirements of the system

- Involve in system, sub-system, interface and database design

- Responsible for coding and unit testing of functional modules of the system

- Responsible for providing technical support and bug fixes during system integration testing, user acceptance testing, performance testing and penetration testing

- Assist in documentation of the system

- Responsible for providing maintenance support and bug fixes post system implementation

Requirements:

- Degree/Diploma in Computer Science, Computer Engineering, or equivalent

- At least 3 years of experience in Java EE application development esp Springboot & ReactJS

- Good understanding of Java EE architecture, Java Design Patterns and Object Oriented Programming

- Good understand in Spring/Hibernate/ORM/JMS or other framework

- Experience in HTML, JavaScript framework such as ReactJS, CSS

- Experience in Web Services like RESTful APIs/JSON, SOAP/XML

- Experience in MySQL RDBMS

- Experience in setting up Springboot application

- Experience in source code versioning system like GIT, SVN, TFS, etc.

- Experience in incident/bug reporting and tracking system like Remedy, Jira, etc.

- Experience in Sonarcube, Jenkins CICD is a plus

- Experience in Openshift and AWS services is a plus

- Strong problem solving skills, able to determine the programming effects on applications

- Good interpersonal and strong verbal and written communication skills

- Able to work independently with less supervision

Duties & Responsibilities

• Lead and manage a team of Java developers to deliver development and maintenance projects effectively
• Analyze project requirements to assess impacts and guide architectural implementation within project scope
• Design and develop customized, reusable software solutions for projects, programs, or operational needs
• Set up and configure development environments to support efficient coding and testing activities
• Develop detailed, high-quality software designs aligned with project objectives
• Conduct unit testing using automated frameworks to identify risks and implement mitigation plans
• Investigate and troubleshoot technical issues to provide timely resolutions
• Configure software components and assess technical impacts across multiple technologies and strategies
• Review code and provide constructive feedback to developers to maintain quality standards
• Apply coding standards and best practices to ensure software quality and maintainability
• Collaborate as a team member on operational, integration, or application architecture requirements and ongoing operations deliverables

Required competencies and certifications

• Diploma or Degree in Computer Science, Information Technology, or equivalent
• Minimum 5 years of experience in Java/J2EE technologies
• Minimum 5 years of coding experience in J2EE, Java, PL/SQL, REST API, and microservices
• Experience leading a team of Java or software developers
• Must have Hands-on experience with Java Struts, Spring, and Hibernate enterprise frameworks
• Experience with version control systems such as SVN (Subversion) and GIT

Preferred competencies and qualifications

• Experience with build automation tools such as Jenkins, ANT, Maven, or Gradle
• Advanced understanding of modern software development methodologies (Object-Oriented Programming)
• Advanced knowledge of software testing methodologies, scripting, and tools
• Familiarity with RDBMS databases including Oracle, Oracle Golden Gate, Data Lake, DB2, MS SQL, MySQL, and RDS
• Strong verbal and written communication skills
• Ability to collaborate effectively within a team and with clients

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.

·  An experienced Angular Developer with strong hands-on expertise in Angular 12 and above, responsible for building and maintaining modern, scalable web applications and integrating them with Java/Spring Boot REST APIs.

·  The role requires solid knowledge of TypeScript, Angular architecture, and frontend best practices, along with close collaboration with backend and cross-functional teams.

· Experience in migrating legacy applications from AngularJS (1.x) to modern Angular is strongly preferred, including refactoring and modernization efforts.

·The ideal candidate demonstrates strong problem-solving skills, attention to quality, and the ability to work effectively in agile, enterprise scale environments

Job 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

• 8-12 years of experience in Java Full Stack Development
• Strong expertise in Java, Spring/Spring Boot,
• Proficiency in React.js/Angular and modern frontend technologies
• Experience with REST APIs and Microservices architecture
• Hands-on experience with CI/CD tools and DevOps practices
• Experience with JavaScript, CSS and jQuery
• Hands on experience with Markup languages
• In-depth understanding of the entire web development process (design, development and deployment)
• Familiarity with software like Adobe Suite, Photoshop and content management systems
• Strong problem-solving and debugging skills
• Ability to work in an onsite, collaborative environment in Singapore

Additional Requirements

• Must be willing to work onsite in Singapore
• Strong communication and stakeholder management skills

Ability to work in fast-paced, deadline-driven environments

• 6–9 years of experience in Java Full Stack Development
• Strong expertise in Java, Spring/Spring Boot,
• Proficiency in React.js/Angular and modern frontend technologies
• Experience with REST APIs and Microservices architecture
• Hands-on experience with CI/CD tools and DevOps practices
• Experience with JavaScript, CSS and jQuery
• Hands on experience with Markup languages
• In-depth understanding of the entire web development process (design, development and deployment)
• Familiarity with software like Adobe Suite, Photoshop and content management systems
• Strong problem-solving and debugging skills
• Ability to work in an onsite, collaborative environment in Singapore

Additional Requirements

• Must be willing to work onsite in Singapore
• Strong communication and stakeholder management skills

Ability to work in fast-paced, deadline-driven environments

Requirements

• 6–9 years of experience in Java Full Stack Development
• Strong expertise in Java, Spring/Spring Boot,
• Proficiency in React.js/Angular and modern frontend technologies
• Experience with REST APIs and microservices architecture
• Hands-on experience with CI/CD tools and DevOps practices
• Strong problem-solving and debugging skills
• Ability to work in an onsite, collaborative environment in Singapore
• Strong communication and stakeholder management skills
• Ability to work in fast-paced, deadline-driven environments

Requirements

• 6–9 years of experience in Java Full Stack Development
• Strong expertise in Java, Spring/Spring Boot,
• Proficiency in React.js/Angular and modern frontend technologies
• Experience with REST APIs and microservices architecture
• Hands-on experience with CI/CD tools and DevOps practices
• Strong problem-solving and debugging skills
• Ability to work in an onsite, collaborative environment in Singapore
• Strong communication and stakeholder management skills
• Ability to work in fast-paced, deadline-driven environments

Requirements:

•Proven work experience as a Front-end developer

•Hands on experience with markup languages

•Experience with Rectjs, JavaScript, CSS and jQuery

•Familiarity with browser testing and debugging

•In-depth understanding of the entire web development process (design,development and deployment)

•Understanding of layout aesthetics

•Knowledge of SEO principles

•Familiarity with software like Adobe Suite, Photoshop and content managementsystems

•An ability to perform well in a fast-paced environment

•Excellent analytical and multitasking skills

Application Developer – (Java/ Attractive Bonus/ Central/ Permanent Role)

We are looking for an experienced Application Developer to design, develop, and support scalable, secure, and high-performing applications for mission-critical systems. You will play a key role in solution design, application development, troubleshooting, and delivery across AWS and on-premises environments.

Responsibility:

• Design, develop, and maintain Java-based and web applications.
• Build prototypes and Proofs of Concept (POCs).
• Support application build, deployment, testing, and release activities.
• Translate business requirements into scalable and maintainable solutions.
• Perform performance tuning, troubleshooting, and problem resolution.
• Ensure compliance with security, regulatory, and operational requirements.
• Maintain deep technical expertise in Java technologies (e.g., Spring Boot, Spring Batch), Tomcat, Oracle 19c, React JS, ServiceNow, and AWS services such as EC2, S3, RDS, EKS, ECS, and CloudWatch.
• Collaborate closely with cross-functional teams to ensure successful project delivery and operational excellence.

Requirement:

• Bachelor’s Degree in Computer Science / Information Technology, Information Systems/ Engineering or related field.
• Minimum of 8 years of experience designing, developing, and supporting mission-critical applications within financial services, payments, banking, or other regulated industries.
• Strong expertise in Java (Spring Boot/Spring Batch), React JS or Angular JS, Oracle, and AWS services.
• Experience with SDLC, Agile methodologies, and cloud-based application support.
• Experience with Oracle databases, SQL development, and query optimization.
• Familiarity with Tomcat, ServiceNow, and AWS services such as EC2, S3, RDS, ECS, EKS, and CloudWatch is advantageous.
• Strong analytical, problem-solving, and communication skills.
• Possess AWS Cloud Certifications (Solutions Architect Associate or Developer Associate) is advantageous.

How to apply

Interested candidates who wish to apply for the post, you may click the Apply Now Button or send in your updated resume (in MS Word format) to jackyooi@careerally.com.sg

We regret to inform that only shortlisted candidates will be notified.

Careerally Pte Ltd | EA Licence: 24C2215
Ooi Chuan Yi (Jacky)| EA Registration No: R24122948