Total 63 java developer job vacancies in Others category in D02 Anson, Tanjong Pagar

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

Experience: 4–5 years of Full Stack Java Development in a containerized microservices architecture using Java/Spring Boot, with strong UI/UX development experience in React.

- Microservices & Cloud: Hands-on experience with Kubernetes and AWS.

Backend Development:

- Java EE Framework: Spring Boot

- ORM Framework: Hibernate

- Database: MySQL and/or MongoDB (Open Source)

- Application Server: Spring Boot

- Web Server: JBOSS Web Server

Frontend Development:

- React 18+ - HTML5/CSS (knowledge of web page design is a plus) Development Tools & Platforms:

- IDEs: VS Code, IntelliJ

- Repository: GitHub

- Issue Tracking: JIRA

- CI/CD: Jenkins

Responsibilities

• Develop scalable applications using Spring Boot, MongoDB, Docker, and Openshift/Kubernetes to meet business needs
• Collaborate with business stakeholders to define and clarify project requirements, acceptance criteria, and success metrics for delivered features
• Work closely with internal technical teams and business users to investigate issues, conduct testing, and manage deployments
• Support existing applications by troubleshooting, fixing bugs, upgrading, and modifying functionality to maintain performance
• Manage release processes including raising Change Requests and scheduling implementation of fixes and enhancements
• Deploy releases, patches, and fixes on the platform to ensure continuous operation
• Analyze application performance, perform tuning, and maintain high availability and stability of the platform

Required competencies and certifications

• Bachelor's or advanced degree in computer science or engineering
• Minimum 3 years of hands-on programming and application development experience in Java, Spring Boot, and REST/API, RTPM
• Experience building cloud-native applications, microservices, and working with cloud platforms such as Openshift or 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 within agile development methodologies and processes
• Experience with Unix/Linux operating systems

• 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

Summary:

We are looking for a Senior Java Developer to manage the software development lifecycle, from planning to release. You will lead the development of high-performance, scalable Java applications, mentor junior developers, and collaborate with cross-functional teams to deliver secure, high-quality solutions.

Key Responsibilities:

• Design, develop, and maintain high-performance, scalable Java applications.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Write clean, maintainable, and efficient code following best practices.
• Participate in code reviews to ensure quality and share knowledge.
• Troubleshoot and debug complex issues in a timely manner.
• Provide technical leadership and mentorship to junior developers.
• Contribute to the continuous improvement of development processes and tools.
• Stay updated with industry trends and technologies.
• Work closely with product managers, designers, and stakeholders to deliver high-quality solutions.

Qualifications:

Education & Experience:

• Bachelor’s/Master’s degree in Computer Science, IT, or a related field.
• Proven experience as a Senior Java Developer or similar role.
• Experience with Selenium Cucumber Automation is a plus.
• Private Banking domain knowledge is advantageous.

Technical Skills:

• Strong proficiency in Java, Spring Boot, and microservices.
• Experience with containerization (Docker) and orchestration (Kubernetes).
• Proficiency in SQL and relational databases (MySQL, PostgreSQL).
• Familiarity with version control (Git) and CI/CD pipelines.
• Experience with software development principles, design patterns, and best practices.

Soft Skills:

• Strong problem-solving, communication, and collaboration skills.
• Ability to work independently and prioritise tasks in a fast-paced environment.
• Dynamic, proactive, and a sense of initiative.
• Excellent listening, analysis, and presentation skills.

Job scope

• Design and implement front end and backend applications which interact with various surrounding systems and seamlessly
• Build and configure applications to meet business process and application requirements
• Integrate with a client facing frontend
• Deploy the new applications into test environments and assure high quality software deliveries
• Be part of a team and contribute to team success
• Translate business requirements (functional and non-functional) into technical designs

Requirement

• Bachelor's Degree in Computer Science or any related discipline
• Minimum 3 years of development experience in full stack development
• Experience in directly on the SAP System or indirectly via Modern Tech Stack & Analytics Systems that integrates with – or pulls data from – the SAP System
• Familiarity with Front-end: React framework, Vue.js, JavaScript (moving to TypeScript); HTML, CSS
• Back-end: Microservices architecture, Spring Boot framework (Java), MS SQL MongoDB

Thankyou for your interest!

We respect your privacy andall communication will be treated with confidentiality. If you wish to knowmore about this position or explore other roles, please prepare your updatedprofile and get in touch with our consultant at  cristina.malijan@manpower.com.sg

CristinaMalabuyoc Malijan EA License No. 02C3423 Personnel Registration No. R1111547

Please note that your response to this advertisement andcommunications with us pursuant to this advertisement will constitute informedconsent to the collection, use and/or disclosure of personal data byManpowerGroup Singapore for the purpose of carrying out its business, incompliance with the relevant provisions of the Personal Data Protection Act2012. To learn more about ManpowerGroup's Global Privacy Policy, please visithttps://www.manpower.com.sg/privacy-policy

Job Description & Requirements

Responsibilities:

Working with the development team, you will be responsiblefor the design development, documentation, testing and delivery of the software solution for an Application system of our Government Agency.

The activities required to be performed shall include thefollowing:

• Requirements gathering;
• Design, development, and maintenance of the software;
• Preparation and submission of deliverables throughout the software development lifecycles such as Business Rules, Software Requirement Specifications, Software Architecture Document, Design Specification, Interface Specifications, Source Codes, Testing Specification, Operation and Maintenance Manual, Training Manual and others documents as required in the standard adopted by the Authority;
• Assist the Authority with day-to-day application support issues; and
• Liaise with users on the requirement, design and testing issues.

Qualifications & Requirements:

• Recognised degree in Computer Science, IT or engineering with at least 3 years’ relevant experience in software development;
• Gone through at least one full software development lifecycle (SDLC) with experience in producing SDLC documentations;
• Extensive experience in analysing requirements, designing, development and delivering complex enterprise applications in Java/JEE, web programming on UNIX / LINUX and Windows environment;
• Proficiency with database programming such as SQL and DAO, and relevant experience with MySQL, PostgreSQL
• Experience in Spring Framework and Spring Boot;
• Experience in Software Modernization, Containerization, Microservices;
• Experience in Agile development methodology and continuous integration;
• Experience in writing Requirements Specification, Use Cases, Design Documentation, object-orientedsoftware design and UML modelling;
• Proficiency in AWS ECS and Docker containerization, with a solid understanding of DevOps principles and best practices
• Strong analytical and problem-solving skills; and
• Good written and verbal communication skills in English.
• Self-motivated and a good team player.
• Added advantage if candidate is familiar with one or more of the following technologies:

1.      Experiencein Message Queues and/or Solace;

2.      Experiencein Cloud Computing, Kubernetes & Dockers, AWS Services like Amazon ECSFargate, AWS RDS & Lambda;

3.      Experiencein Microsoft Active Directory

4.      Experiencein HTML / CSS / JavaScript / JSON

5.      Experiencein Secure Communications (SFTP, HTTPS, etc.)

6.      Experiencein Angular or equivalent

7.      Experiencein Java Unit Tests frameworks

• Communicate highly technical issues to non-technical audience
• Earn good reputation of being technically strong in the organization by solving problems others struggle
• Development and delivery of frontend applications using React (TypeScript, Redux, Routing, Hooks, Context, Suspense)
• Understand business / system requirements and translate them into technical solutions that are scalable, stable and fit for purpose.
• Tackle very complex legacy defects that mediocre developers cannot analyse/solve
• Ensure adherence to the bank standards (including code, security and performance)
• The role provides exposure to Wealth Management systems.
• Analysis, designing, coding, and implementation of complex and custom-built applications
• Work collaboratively with team to achieve goals. Experience working with Agile methodologies, such as Scrum
• Investigate and resolve production issues to help maintain a stable production environment; remain cool and effective in crisis

Client /Stakeholder Management (internal & external)

Analyse requirements, estimate efforts, plan timeline, manage progress.
Ensure awareness, involvement and support from the key stakeholders and participants by building strong project teams and maintaining robust communication on the project status throughout its lifecycle
Drive and review technical and architectural design, enforce architectural guidelines and challenge status quo

Regulatory Responsibilities &/OR Risk Management
Demonstration of appropriate values and behaviours including but not limited to standards on honesty and integrity, due care and diligence, fair dealing (treating customers fairly), management of conflicts of interest, competence and continuous development, adequate risk management, and compliance with applicable laws and regulations
Take responsibility for ensuring that risks and issues are identified and managed closely and drive all stakeholders to deliver on time and to the required quality standards

Technical

Must Have:

• Frontend development with React 18 or newer-TypeScript Routing, Hooks, Context, Suspense, State management solutions, e.g. Redux, CSS
• Affinity to user experience / keen eye for high quality UI and UX
• Ability to proactively work with stakeholders across the organization
• Strong computer science knowledge (algorithms, data structures, system design)
• Unit and integration testing
• Familiar with standard frontend code editors and tools, e.g. Visual Studio Code, Chrome DevTools
• Basic Linux shell scripting commands
• Familiarity with Git, DevOps systems

Responsibilities

• Develop and maintain applications using Core Java 8+ and JUnit to ensure robust and tested code
• Implement messaging solutions using Java Messaging concepts (JMS, MQ) and Kafka for reliable data exchange
• Design and optimize SQL queries and relational database structures including joins, indexes, and triggers to improve performance
• Build and consume REST and SOAP web services to enable system integrations
• Apply Spring Boot and Spring core concepts to develop scalable backend services
• Use Maven to manage project builds and dependencies efficiently
• Execute basic Linux shell scripting commands to automate routine tasks and support deployment
• Utilize development tools such as IntelliJ, Git, and SonarQube/SonarLint to maintain code quality and version control

Preferred competencies and qualifications

• Operate JBOSS or other application servers to deploy and manage Java applications
• Develop user interfaces and persistence layers using Java Server Faces, JPA, and EJB technologies
• Write and interpret complex SQL queries to support advanced data operations
• Work with Kafka for event streaming and messaging
• Use React JS to build interactive front-end components

Responsibilities

• Develop and maintain applications using Core Java 8+ and JUnit to ensure robust and testable code
• Implement messaging solutions using Java Messaging Concepts (JMS, MQ) and RTPM to support asynchronous communication
• Design and optimize SQL queries and relational database structures including joins, indexes, and triggers to improve data retrieval performance
• Build and consume Web Services using REST and SOAP protocols to enable system integrations
• Apply Spring Boot and Spring core concepts to develop scalable and maintainable backend services
• Use Maven for project build and dependency management to streamline development workflows
• Execute basic Linux shell scripting commands to automate routine tasks and support deployment processes
• Utilize development tools such as IntelliJ, Git, and SonarQube/SonarLint to enhance code quality and version control
• Work with Kafka and Oracle databases to handle real-time data streaming and storage requirements

Preferred competencies and qualifications

• Experience with JBOSS or other application servers to deploy and manage Java applications
• Knowledge of Java Server Faces, JPA, and EJB to support enterprise-level Java development
• Ability to write and understand complex SQL queries for advanced data manipulation
• Familiarity with React JS for front-end development integration

Job Summary

Develop and optimize Java-based applications using Core Java, Spring Boot, and related technologies to deliver robust software solutions. Collaborate on database management, messaging systems, and web services to enhance application performance and reliability.

Responsibilities

• Develop and maintain applications using Core Java 8+ and JUnit to ensure high-quality code and automated testing
• Implement and optimize messaging solutions using Kafka and Java Messaging concepts (JMS, MQ, RTPM) for reliable data exchange
• Design and build backend services with Spring Boot and apply Spring core concepts to support scalable applications
• Manage project builds and dependencies using Maven to streamline development workflows
• Write and optimize SQL queries, including joins, indexes, and triggers, to improve database performance and data retrieval
• Utilize relational database concepts to design efficient data models and support application requirements
• Develop and consume REST and SOAP web services to enable integration with external systems
• Apply basic Linux shell scripting commands to automate routine tasks and support development environments
• Use development tools such as IntelliJ, Git, and SonarQube/SonarLint to maintain code quality and version control

Preferred competencies and qualifications

• Knowledge of JBOSS or other application servers to support deployment and runtime environments
• Experience with Java Server Faces, JPA, and EJB to develop rich user interfaces and manage persistence
• Ability to write and understand complex SQL queries for advanced data manipulation
• Familiarity with Kafka for event streaming and messaging beyond core usage
• Exposure to React JS for front-end development to complement backend services

•Core Java 8+ and JUnit.

• Kafka, Oracle

• Spring Boot

• Maven

• Basic Linux shell scripting commands

• Java Messaging Concepts. (JMS, MQ), RTPM

• 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

Secondary Skills (Good to Have)
•JBOSS (or any other application server knowledge).

• Java Server Faces, JPA, EJB knowledge.

• Able to write/understand complex SQL queries.

• Kafka

• React JS

Job Summary

This role requires expertise in Java development and related technologies to design, develop, and optimize software solutions that meet business needs and improve system performance.

Responsibilities

• Develop and maintain applications using Core Java 8+ and JUnit to ensure robust and testable code
• Implement messaging solutions using Java Messaging Concepts (JMS, MQ) and RTPM to enable reliable communication between systems
• Design and optimize SQL queries and relational database structures including joins, indexes, and triggers to improve data retrieval efficiency
• Build and consume Web Services using REST and SOAP protocols to integrate with external and internal systems
• Apply Spring Boot and Spring core concepts to develop scalable and maintainable backend services
• Use Maven for project build and dependency management to streamline development workflows
• Execute basic Linux shell scripting commands to automate routine tasks and support deployment processes
• Utilize development tools such as IntelliJ, Git, and SonarQube/SonarLint to enhance code quality and version control

Preferred competencies and qualifications

• Manage application deployment and configuration using JBOSS or other application servers to support production environments
• Develop user interfaces and persistence layers using Java Server Faces, JPA, and EJB to enhance application functionality
• Write and interpret complex SQL queries to support advanced data operations
• Work with Kafka for distributed event streaming to support real-time data processing
• Use React JS to build responsive front-end components for improved user experience

•Core Java 8+ and JUnit.

• Kafka, Oracle

• Spring Boot

• Maven

• Basic Linux shell scripting commands

• Java Messaging Concepts. (JMS, MQ), RTPM

• 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

Secondary Skills (Good to Have)
•JBOSS (or any other application server knowledge).

• Java Server Faces, JPA, EJB knowledge.

• Able to write/understand complex SQL queries.

• Kafka

• React JS

Overview

We are looking for an experienced Software Developer with strong hands-on experience in the .NET Framework / .NET 8 / .NET 9 ecosystem. The ideal candidate should possess solid software engineering fundamentals, strong problem‑solving skills, and the ability to work closely with stakeholders across different teams. Experience with Flutter will be a significant advantage.

Key Responsibilities

• Develop, enhance, and maintain applications using .NET Framework / .NET 8 / .NET 9.

• Work closely with internal stakeholders to gather requirements, clarify technical needs, and ensure alignment with business objectives.

• Participate in system design, coding, testing, deployment, and documentation.

• Integrate applications with internal and external APIs.

• Ensure all development follows governance, coding standards, and best practices.

• Support troubleshooting, debugging, and resolving vulnerabilities or security issues.

• Collaborate with team members to deliver high‑quality, scalable, and secure solutions.

Mandatory Skills & Requirements

• Minimum 3 years of software development experience.

• Strong experience with .NET Framework / .NET 8 / .NET 9.

• Good understanding of RESTful API design, integration, and consumption.

• Knowledge of software governance practices, including coding standards, documentation, and version control.

• Cybersecurity awareness, including secure coding practices, authentication/authorization concepts, and common vulnerabilities.

• Familiarity with OWASP concepts and basic vulnerability mitigation.

Good-to-Have Skills

• Experience with Flutter (highly preferred; strong plus point).

• Experience with React or Angular.

• Knowledge of CI/CD pipelines and DevOps practices.

• Exposure to cloud platforms (Azure preferred).

• Experience with microservices or event-driven architectures.

Soft Skills

• Able to communicate and liaise effectively with stakeholders from both business and technical teams.

• Strong analytical and problem‑solving abilities.

• Team player with proactive attitude and willingness to learn.