Total 1,001 java developer job vacancies in Others category in Singapore

· At least 5 years solid hands-on experience in Java/J2EE development

·        Must have hands-on experience in Java/J2EE ,Spring, Spring Boot, RESTFUL Webservices

·        Knowledge of both frontend and backend development

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

· In-depth knowledge on Relational databases – MS SQL Server, sql profiler, query analyzer

· Experience with CI/CD pipelines (Jenkins/GitLab or similar)

· Knowledge of API centric design

·        At least 3 years in database like MS SQL Servers including SQL development

·        UI development using React but using Angular is a plus

We are seeking a seasoned Full Stack Developer who will take on responsibility for developing complex features, guiding and mentoring junior developers, and designing scalable solutions.

In this role, you will be instrumental in building modern web applications, utilizing React.js with Next.js for the front end and .NET Core / Node.js for the backend. Additionally, you will implement these solutions within the Azure Cloud Environment, ensuring robust and efficient deployment.

Responsibilities

• Lead the design and development of end-to-end features across the stack.

• Build reusable and scalable React components using Next.js for SSR/SSG.

• Develop robust RESTful APIs and services using .NET Core (C#) and Node.js.

• Optimize database queries and schema design for MS SQL and MySQL.

• Participate in architectural decisions and lead code reviews.

• Mentor mid and junior-level engineers.

• Collaborate with Product Managers, UI/UX Designers, and QA to ship high-quality products.

• Identify and resolve performance bottlenecks and bugs.

• Implement DevOps best practices and CI/CD pipelines.

Requirements

• 3+ years of full stack development experience.

• Strong proficiency in React.js, Next.js, JavaScript/TypeScript.

• Deep experience in .NET Core (C#) and Node.js.

• Hands-on experience with MS SQL and MySQL.

• Strong knowledge of RESTful API development and integration.

• Solid understanding of software architecture, design patterns, and best practices.

• Experience with Git, Docker, and cloud services (Azure).

• Excellent problem-solving skills and attention to detail.

• Ability to lead technical discussions and make architectural decisions.

Good to Have

• Experience with testing frameworks (e.g., xUnit, Jest).

• Knowledge of microservices architecture.

• Familiarity with Redis, RabbitMQ, or other distributed systems.

• DevOps or CI/CD experience (Azure DevOps/GitHub Actions).

Interested candidate who wish to apply for the advertised position, please click “Apply”. We regret that only shortlisted candidates will be notified 

EA License No.: 01C4394 (PERSOL Singapore Pte Ltd) 

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● Develop and maintain responsive, high-performance web applications.
● Build, test, and deploy mobile applications (Android/iOS).
● Work on both front-end and back-end development tasks.
● Write clean, scalable, and well-documented code.
● Integrate APIs, third-party services, and backend systems.
● Troubleshoot, debug, and optimize applications for maximum speed and scalability.
● Collaborate closely with designers, product teams, and other developers.
● Participate in code reviews and contribute to continuous improvement.

Job Description
Primary Purpose: The Consultant is responsible to develop Outsystems applications based on design requirements and ensure software and subroutines are working to specification, program codes have conformed to standards and are delivered with quality meeting schedule and requirements. 

Responsibilities Project Delivery

 - Collaborate with business analysts, UX/UI designers, and other developers to deliver high-quality solutions

. - Participate in agile ceremonies, including sprint planning, stand-ups, and retrospectives.

 - Provide technical guidance and mentorship to junior developers.

- Analyse process/program specifications & translate specifications to program codes, conforming to program guidelines and programming best practices

 - Make changes to configurable items, which include hardware, software, documentation, etc. It covers configuration management planning, configuration identification, configuration controls & audits 

- Design, develop, and deploy robust web and mobile applications using the OutSystems platform. 

- Translate business requirements into efficient and scalable OutSystems solutions - Develop and maintain reusable OutSystems components and modules. 

- Develop unit test package, execute tests & document test results to ensure the quality of the program - Assist in the integration testing, system testing, User Acceptance Test (UAT) & implementation activities to fix the reported problems/bugs of the system to ensure the smooth execution of programs in the production environment 

- Integrate OutSystems applications with external systems and databases using REST and SOAP APIs.

 - Investigate all reported problems/errors & initiate amendments & testing so that the system can operate correctly & efficiently

 - Create and maintain detailed technical documentation, including specifications, configurations, and implementation details.

 - Analyse functional requirements to translate into application design using established design methodologies and guidelines

 - Work with team lead to ensure design and programme codes conform to architecture and design standards, and that design satisfies functional and system requirements 

- Participate in requirements gathering; work with Business Analysts in reviewing and refining functional specifications 

- Participate in peer reviews to improve project quality

Qualifications Requirement

- Degree from Computer Science or equivalent

- Minimum 5 years of relevant experience

- Working experience in developing and delivering application software 

- Hands-on experience developing applications with OutSystems. 

- Strong proficiency in OutSystems Service Studio, Integration Studio, and Lifetime. 

- Expertise in web technologies, including HTML, CSS, JavaScript, and jQuery. 

- Experience with REST and SOAP API integrations. 

- Experience with agile development methodologies.

 - Possess initiative and disposition with a strong commitment and orientation towards results and high quality standards

- Experience with cloud platforms (e.g., AWS, Azure). 

- Knowledge of DevOps practices.

 - Experience with UX/UI design principles

About Citi

As the world’s most global bank, Citi gives you the tools to be a trailblazer. We’re not just building technology; we’re building the future of banking. With thousands of employees located around the globe, we are an international team encompassing a broad range of teams, roles, and cultures, and we invite you to come and join us!

Citi’s technology team supports business operations in 100+ countries, across multiple lines of business spanning both Institutional and retail businesses.

The group works to optimize the IT environment by standardizing production platforms, reducing complexity, and introducing innovative solutions that provide new business capabilities, reduce total cost of ownership, and create a competitive advantage for Citi.

We want to regularly engage with talented individuals who are passionate about producing clean, testable code as part of a high performing team. We have found this to be way more important than experience in the financial sector.

We welcome applications from any industry and should you wish to apply your application will be reviewed for a multitude of Developer positions at varying levels.

About FX Tech

Citi FX has a physical presence in 83 countries with 1,400 dedicated staff giving us the largest FX presence of any bank globally. Foreign Exchange has been one of the defining businesses of Citi for much of its 200 year existence.

Citi has the largest FX presence of any bank globally and we proudly put this down to delivering unrivalled service and insight to our clients. Increasing investment in technology has seen us roll out award winning applications. Technology is a central pillar for our plans to sustain and grow our FX business.

Above all, we seek individuals who seek exceptional attitude and aptitude in the people they work with and have a demonstrated passion for delivering FX technology in support of our #1 FX business.

Role Overview/What will you do:

• Hands on technical implementation of FX trading systems
• The successful candidate will work with teams across FX Trading Technology implement solutions that benefit the business
• The role does not involve budget responsibility
• Drive the design and development of system architecture, work with end-users of the systems, and enhance the quality of deliverables Ensure staff follows Citi documented policy and procedures as well as maintain desktop procedures and supporting documentation for filings on a current basis and in comprehensive manner
• Contribute to defining and implementing best practices and processes for the department and ensure transparency and consistency across teams
• Work directly with trading and quant teams

Key Skills and Experience required

• Proven understanding of FX highly preferred
• Understanding of ultra low-latency development practices
• Proven track record of building new systems, replacing legacy systems and renovating existing systems
• The candidate will have systems (software, hardware, networks) knowledge required to define solutions and trouble shoot issues
• Exceptional communicator who loves working with people, confident communicating at all levels from an individual team to the entire enterprise
• Highly credible hands-on engineer, confident to deep dive into a product and codebase and offer detailed, constructive analysis and feedback
• Awareness of industry trends and leveraging new technologies as appropriate

How You’ll Succeed

Be conscientious and consistent in identifying security vulnerabilities and working with the respective engineering teams and stakeholders to provide sound guidance and remediations. Be a team player, and a keen learner.

Working at Citi is far more than just a job. A career with us means joining a family of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Take the next step in your career, apply for this role atCiti today

https://jobs.citi.com/dei

Role Overview

The SitecoreSenior Developer is a hands-on technical role responsible for building,customizing, and maintaining Sitecore-based digital experiences. This rolerequires deep platform expertise, strong coding skills, and the ability todeliver complex features while adhering to architectural guidelines and qualitystandards.

Key Responsibilities

•       Develop and customize Sitecorecomponents, templates, renderings, and workflows

•       Implement front-endfunctionality using HTML5, CSS3, JavaScript, and modern frameworks (React, Vue,or Next.js)

•       Build and consume RESTful APIsand integrate with third-party systems

•       Develop personalization rules,content testing, and analytics implementations

•       Write clean, maintainable, andwell-documented code following established standards

•       Conduct code reviews andprovide constructive feedback to team members

•       Troubleshoot and resolveproduction issues, performance bottlenecks, and bugs

•       Participate in sprint planning,estimation, and Agile ceremonies

•       Collaborate with QA to ensurethorough testing and defect resolution

•       Support deployment activitiesand maintain CI/CD pipelines

Requirements

•       Minimum 6 years of professionalsoftware development experience

•       At least 5 years of hands-onSitecore development experience (versions 9.x, 10.x preferred)

•       Strong proficiency in C#,ASP.NET MVC, and .NET Core

•       Solid understanding of Sitecorearchitecture including content tree, templates, layouts, and renderingpipelines

•       Experience with Sitecore SXA(Sitecore Experience Accelerator)

•       Proficiency in front-endtechnologies: HTML5, CSS3/SCSS, JavaScript/TypeScript

•       Experience with SQL Server andSolr/Azure Search

•       Familiarity with Git, AzureDevOps, and CI/CD practices

•       Sitecore DeveloperCertification required

•       Strong problem-solving skillsand attention to detail

Preferred

•       Experience with Sitecore JSSand headless implementations

•       Exposure to Sitecore XM Cloud

•       Experience with marketingautomation integrations (SFMC, Marketo)

Azure cloud development experience

We are looking for a Full Stack Developer to develop and maintain secure, scalable web applications for a government digital transformation project with nationwide impact.

Why Join Us:

This is more than just another engineering role — it’s an opportunity to work on large-scale systems with real societal impact, while growing your skills in a modern, cloud-based environment.

• Contribute to Government Projects
• Hybrid Work Arrangements
• Up to S$10,000 + AWS / Up to 21 days AL + Birthday Off

Key Responsibilities:

• Design, develop, and maintain secure, scalable web-based applications
• Build responsive front-end interfaces and robust backend services
• Develop and integrate RESTful APIs with internal and external systems
• Maintain technical documentation including system design and review, user guides, test plans, and system architecture.

To Succeed:

• Min. 4 years of experience in Full Stack Software Development with expertise in (Reactjs/Node.js or similar)
• Experience with Serverless tools, containers or AWS (Amazon Web Services)
• Strong proficiency in JavaScript, with preference for TypeScript experience
• Strong foundation in Software Architecture and Design patterns

By submitting your resume, you consent to the collection, use, and disclosure of your personal information per ScienTec’s Privacy Policy (scientecconsulting.com/privacy-policy).

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.

Elias Yeo HongJie (Outsourcing Team)

ScienTec Consulting Pte Ltd - 11C5781

Job title: AI Developer
Job Type: Contract
Duration: 24 months
Salary Package: 7000-8000 + Benefits (Medical Card+AL/SL) + AWS + Perf Bonus + Loyalty Bonus
Location: Connection 1 Bukit Merah Central / 1 Depot Rd
Work Eligibility: Only Singaporean

Job Description:

• Collaborate with business users, data scientists, developers and engineers to develop and deliver AI/ML products for LLM chatbots, forecasting, NLP and OCR, agentic AI use cases.
• Research, design, build and test scalable AI/ML (Traditional, Generative, Agentic) pipelines and system for data preprocessing, model training, RAG, evaluation and deployment to serve automate decision making and generate insights.
• Integrate AI/ ML products into applications using APIs (e.g. RESTful) and microservices (e.g. implemented with FAST).
• Work with DevSecOps team to containerise AI/ML models (e.g. OCI-compliant container, Red Hat UBI) and support CI/CD workflows.
• Adopt proven software engineering practices such as code reviews and test-driven development.

Requirements

• Bachelor’s or Master’s degree in Computer Science, Mathematics, Statistics, or a related field.
• At least 2 years of relevant working experience in AI/ML model development and deployment
• Strong understanding of AI/ML Ops practices and tools like, enterprise project management platforms (e.g., MS Project, Smartsheet, Jira, Asana, or custom PM systems), AI/ML frameworks (e.g., Azure AI, Google Vertex AI, AWS SageMaker), API integration and data pipeline tools, and search technologies (e.g., Elasticsearch, vector databases, semantic search).
• Proven experience in designing and implementing AI/ML solutions in enterprise systems (especially NLP, rule engines, predictive analytics), workflow automation, system integration, data modelling, intelligent assistant or chatbot development (e.g., using LLMs, RAG architectures).
• Strong proficiency and hands on experience in large language models, agent frameworks (e.g. LangChain or similar), prompt engineering, API integration, and knowledge of model evaluation, orchestration, and production deployment practices.
• Experience with working with DevSecOps teams in deploying (and troubleshooting) AI solutions using various tools and platforms, including containers via tools such as Redhat Openshift Container Platform and Docker.
• Knowledge of GPU cluster architecture and ability to optimise workloads such as LLM inferencing in both Windows and Linux environments is a plus.
• Understanding of project lifecycle management, governance, and compliance frameworks (e.g., QMS, GxP, ISO standards) is a plus.
• Strong proficiency in Machine Learning frameworks (TensorFlow, PyTorch, Hugging Face Transformers) and coding in either Python, Node.JS, Java. 
• Proficiency in web application development is a plus. E.g. Proficiency in Svelte or other node related frameworks for the frontend. Experience implementing UI elements with Figma.
• Ability and the drive to learn new programming languages/frameworks, techniques and to work closely with different groups of users, external contractors and/or subject matter experts.

Apply Now via MyCareersFuture
Only qualified candidates are contacted

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In reference to: SS - JO-28326
BGC Group Pte Ltd (Outsourcing)
EA 05C3053

Job Summary

We are seeking an experienced Java Full Stack Developer with strong expertise in backend and frontend technologies. The ideal candidate will be responsible for building scalable, high-performance applications using modern frameworks and best engineering practices.

Key Responsibilities

• Design, develop, and maintain robust and scalable applications using Java and Spring Boot
• Build and manage microservices-based architecture
• Develop responsive and user-friendly UI using Angular
• Design and manage databases including MySQL, MariaDB, and NoSQL
• Develop and consume RESTful APIs
• Implement Test Driven Development (TDD) practices
• Work on CI/CD pipelines for continuous integration and deployment
• Ensure code quality, performance, security, and scalability
• Collaborate with cross-functional teams including QA, DevOps, and product teams
• Troubleshoot, debug, and enhance existing systems

Requirements

Experience Required

4-6 yrs hands-on experience in

• Java, Spring Boot, Microservices
• Angular (UI)
• Databases: MySQL, NoSQL, MariaDB

Knowledge of

• Test Driven Development (TDD)
• CI/CD pipelines

Good understanding of software practices

Key Responsibilities:

Backend Development:

• Design, develop, and maintain microservices architecture using Java and Node.js.

• Implement event-driven architecture to enable seamless communication between microservices.

• Utilize ORM Framework for efficient database interactions and management.

• Containerize applications using Docker for scalability and deployment flexibility.

• Apply Domain-Driven Design (DDD) principles to ensure clean and modular code architecture.

• Implement OAuth for secure authentication and authorization.

• Develop and enforce security best practices to safeguard sensitive data and systems.

• Utilize AWS services such as S3, Lambda, API Gateway, DynamoDB, etc., for backend development.

• Develop RESTful APIs endpoints to facilitate communication between the frontend and backend.

• Reuse existing reusable microservices built in .Net Core.

Frontend Development:

• Develop responsive and user-friendly web applications using React.js and Next.js.

• Write unit tests using Jest to ensure code quality and reliability.

• Create reusable UI components and maintain a consistent design using Storybook.

• Collaborate closely with UX/UI designers to implement intuitive and visually appealing interfaces.

• Troubleshoot and debug issues across the stack, ensuring smooth application operation.

• Optimize application performance and scalability for a seamless user experience.

What we are looking for:

Requirements:

• Proven experience as a Full Stack Java Developer or similar role.

• Strong proficiency in Java and related backend technologies.

• Experience building microservices architecture and implementing event-driven design patterns.

• Proficiency in ORM Framework for database management.

• Familiarity with Docker and containerization principles.

• Knowledge of Domain-Driven Design (DDD) principles and their application in backend development.

• Experience implementing OAuth for authentication and authorization.

• Understanding of security best practices and their application in backend development.

• Hands-on experience with AWS services such as S3, Lambda, API Gateway, DynamoDB, etc.

• Proficiency in frontend technologies such as React.js, Next.js, HTML, CSS, and JavaScript. 11.

• Experience writing unit tests using Jest and maintaining a design system with Storybook.

• Strong problem-solving skills and attention to detail.

• Excellent communication and collaboration skills.

Job Summary

We are seeking an experienced Java Full Stack Developer with strong expertise in backend and frontend technologies. The ideal candidate will be responsible for building scalable, high-performance applications using modern frameworks and best engineering practices.

Key Responsibilities

Design, develop, and maintain robust and scalable applications using Java and Spring Boot

Build and manage microservices-based architecture

Develop responsive and user-friendly UI using Angular

Design and manage databases including MySQL, MariaDB, and NoSQL

Develop and consume RESTful APIs

Implement Test Driven Development (TDD) practices

Work on CI/CD pipelines for continuous integration and deployment

Ensure code quality, performance, security, and scalability

Collaborate with cross-functional teams including QA, DevOps, and product teams

Troubleshoot, debug, and enhance existing systems

Requirements:

4–6 years hands-on experience in:

• Java, Spring Boot, Microservices
• Angular (UI)
• Databases: MySQL, NoSQL, MariaDB

Knowledge of:

• Test Driven Development (TDD)
• CI/CD pipelines

Good understanding of software engineering best practices

Job Summary

We are seeking an experienced Java Full Stack Developer with strong expertise in backend and frontend technologies. The ideal candidate will be responsible for building scalable, high-performance applications using modern frameworks and best engineering practices.

Key Responsibilities

• Design, develop, and maintain robust and scalable applications using Java and Spring Boot
• Build and manage microservices-based architecture
• Develop responsive and user-friendly UI using Angular
• Design and manage databases including MySQL, MariaDB, and NoSQL
• Develop and consume RESTful APIs
• Implement Test Driven Development (TDD) practices
• Work on CI/CD pipelines for continuous integration and deployment
• Ensure code quality, performance, security, and scalability
• Collaborate with cross-functional teams including QA, DevOps, and product teams
• Troubleshoot, debug, and enhance existing systems

Requirements

4-6 yrs hands-on experience in

• Java, Spring Boot, Microservices
• Angular (UI)
• Databases: MySQL, NoSQL, MariaDB

Knowledge of

• Test Driven Development (TDD)
• CI/CD pipelines

Good understanding of software practices

Requirements

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• Minimum of 5 years’ experience in software development.
• Proven experience in Java/J2EE application development.
• Strong knowledge of Java 8, Oracle databases, and PL/SQL (including packages, views, and stored procedures).
• Hands-on experience with WebLogic Server.
• Working knowledge of DevOps tools and practices, including source control and CI/CD (e.g., GitHub).
• Strong collaboration skills with the ability to work effectively both in a team and independently.
• Excellent problem-solving and analytical abilities with strong attention to detail.
• Strong verbal and written communication skills.

• Lead the design, development, and maintenance of scalable backend systems, microservices, and RESTful APIs.
• Collaborate with product managers and frontend teams to deliver fit-for-purpose digital solutions aligned with business and IT strategy.
• Ensure backend systems are secure, reliable, and optimized for performance.
• Drive technical discussions, make architectural decisions, and review code to ensure adherence to best practices and standards.
• Act as a mentor to junior developers, fostering a culture of continuous improvement and knowledge sharing.
• Manage system integrations across internal third-party platforms
• Contribute to DevOps processes and CI/CD pipelines to support rapid and safe software delivery.
• Document key design decisions, system workflows, and technical specifications.
• Support production systems, troubleshoot issues, and ensure uptime and resilience.
• Must actively participate in peer code reviews, adhering to strict code quality and security standards enforced by SonarQube (Static Analysis) and Checkmarx (SAST).

Requirements

• Bachelor’s Degree in Computer Science, Engineering, or a related field.
• 4 years of hands-on backend development experience in enterprise or cloud-native applications.
• Proficient in Java Spring Boot.
• Solid experience with microservices architecture, RESTful APIs, and message queues (e.g. RabbitMQ).
• Expertise in database architecture and performance tuning across SQL, NoSQL, and Caching layers (e.g., PostgreSQL, MongoDB, Redis).
• Experience in system integration with platforms like SAP, Salesforce, or other enterprise systems is a plus.
• Understanding of secure coding principles and API security standards (OAuth2, JWT, etc.).
• Strong analytical, communication, and leadership skills. Able to articulate technical concepts to both technical and non-technical stakeholders.

Interested applicants, please Email, fabianling@recruitexpress.com.sg

Fabian Ling Tuong Liing

R25129353

Recruit Express Pte Ltd

EA Licence No: 99C4599

We regret that only shortlisted candidates will be contacted.

Role

• Design, develop, and maintain robust, scalable, and high-performance applications using Java 8+ and Spring Boot
• Build and manage event-driven architectures using Kafka and messaging systems (JMS, MQ)
• Develop and integrate solutions with T24 (Temenos) core banking system
• Write clean, maintainable, and testable code following TDD practices, including unit and acceptance tests
• Design and consume RESTful and SOAP-based web services
• Optimize SQL queries and ensure efficient database performance
• Work with relational databases, including writing complex queries, joins, indexes, and triggers
• Collaborate with cross-functional teams including business analysts, QA, and DevOps for end-to-end delivery
• Participate in code reviews, ensuring adherence to coding standards and best practices
• Troubleshoot and resolve production issues, ensuring system stability and performance
• Use tools like Git, IntelliJ, and SonarQube/SonarLint for development, version control, and code quality
• Perform deployments and support activities in Linux/Unix environments

Requirements

• Minimum of 6 years of experience into IT & software development
• Bachelor of Computer Science or similar relevant education background.
• Experience in Banking or financial services industry.
• Strong experience in Core Java (Java 8 or above) and JUnit
• Hands-on experience with Spring Boot and Spring Core concepts
• Solid understanding of computer science fundamentals: algorithms, data structures, and object-oriented design
• Experience with Test-Driven Development (TDD) and writing acceptance tests
• Proficiency in Maven for build and dependency management
• Knowledge of Linux/Unix shell scripting and basic command-line operations
• Strong understanding of messaging concepts such as JMS and MQ
• Experience with relational databases and SQL, including query optimization
• Familiarity with REST and SOAP web services
• Experience with development tools such as IntelliJ, Git, and SonarQube/SonarLint
• Prior experience working with T24 (Temenos) core banking system
• Experience with Kafka and event streaming platforms
• Knowledge of application servers such as JBoss or similar
• Familiarity with Java EE technologies such as JSF, JPA, and EJB
• Ability to write and analyze complex SQL queries
• Exposure to frontend technologies such as React JS
• Experience in banking or financial services domain