Total 10 java developer job vacancies in Sales / Marketing category in islandwide

Join a high-calibre engineering team where exceptional developers solve complex challenges and build scalable, high-impact products.

This is a hands-on role for passionate engineers who love coding, modern architecture, and delivering world-class software.

Key Responsibilities:

• Design scalable full stack applications using React, Node.js, modern architectures, and cloud-native engineering practices.
• Build robust frontend experiences and backend services using React, Next.js, APIs, messaging, and TypeScript.
• Apply DDD, CQRS, and clean architecture principles to deliver resilient, maintainable software solutions globally.
• Collaborate across agile teams, contribute code reviews, troubleshoot issues, and continuously improve engineering standards.
• Drive end-to-end software delivery from requirements through deployment, ensuring quality, scalability, and technical excellence.

Job Requirements:

• Proven full stack development experience using React, Node.js, TypeScript, and scalable distributed application environments.
• Strong hands-on coding expertise with modern engineering practices, testing frameworks, and clean software architecture principles.
• Solid understanding of DDD, CQRS, microservices, messaging brokers, and designing high-performance scalable applications.
• Experience collaborating in agile teams, contributing technically, solving complex problems, and delivering production-grade software.
• Exposure to cloud platforms, CI/CD pipelines, NestJS, and modern engineering tooling is highly advantageous.

Work alongside some of the best engineers in the industry, solving meaningful technical challenges at scale.

Gain continuous learning, hybrid flexibility, strong benefits, and career growth while building impactful modern software.

If you're a hands-on engineer who loves building scalable applications and writing exceptional code, we want to hear from you.

Apply today and join a team where technical excellence is valued, challenged, and rewarded. Reach out to Naveen at naveen.vasudevan@Tangspac.com for a confidential conversation.

Job Description:

• Design, develop, and maintain web applications using React for the frontend and Java for the backend.
• Collaborate with cross-functional teams, including Developers, DevOps, and Business Analysts, to deliver features and fixes.
• Participate in all stages of the software development lifecycle, from design and development to testing, deployment, and maintenance.
• Develop and integrate RESTful APIs, ensuring secure and reliable communication between frontend and backend systems.
• Perform code reviews to ensure adherence to coding standards, best practices, and security guidelines.
• Analyze, troubleshoot, and resolve full-stack issues to maintain application stability and performance.
• Contribute to reducing technical debt and improving code quality and maintainability.
• Maintain clear and up-to-date technical documentation and communicate effectively within the team.
• Work under the guidance of senior developers on technical design and architectural decisions.

Requirements:

• Minimum 2 years of experience.

Technical Skills:

• 2-5 years of professional experience in full-stack development, with a strong focus on React and Java.
• Strong proficiency in React, including hooks, Redux, reusable component design, and microfrontend-based UI development.
• Solid backend development experience using Java, including Spring Boot, Spring MVC, and Spring Data / JPA.
• Experience supporting both legacy systems and modern microservice-based architectures.
• Hands-on experience developing and integrating RESTful APIs across frontend and backend layers.
• Strong knowledge of JavaScript (ES6+), HTML5, and CSS3.
• Experience with modern frontend tooling such as Webpack, Babel, NPM/Yarn, and ESLint.
• Familiarity with SQL databases and writing optimized queries.
• Experience implementing unit tests using Jest and JUnit to ensure code quality.
• Proficiency in Git and standard version control workflows.
• Experience working with GitLab CI/CD pipelines for build, test, and deployment.

Soft Skills:

• Strong analytical and problem-solving skills with attention to detail.
• Ability to evaluate technical solutions and identify risks or issues early.
• Clear and professional communication skills.
• Willingness to take ownership of tasks and contribute to team success.
• Collaborative mindset with openness to feedback and continuous improvement.
• Self-motivated and eager to learn new technologies and best practices.

Preferred Qualifications:

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• Experience working in Agile environments (Scrum or Kanban).
• Understanding of CI/CD practices, automated testing, and deployment pipelines.
• Exposure to cloud platforms such as AWS, Azure, or Google Cloud.
• Basic awareness of application security practices, including vulnerability management and secure coding.

We are hiring on behalf of our client for Full Stack Developers to support HR-related projects and system enhancements within a structured enterprise environment.

This role offers the opportunity to work on end-to-end application development, contributing to both backend services and modern frontend interfaces.

Key Responsibilities

• Design, develop, and maintain full stack applications to support HR systems and enhancements
• Build and maintain backend services and APIs using Kotlin and Java
• Develop responsive and user-friendly frontend applications using TypeScript and React
• Collaborate with cross-functional teams including product, QA, and infrastructure to deliver robust solutions
• Troubleshoot, debug, and enhance existing systems to improve performance and scalability
• Participate in code reviews, system design discussions, and technical documentation
• Support deployment, testing, and post-release activities
• Ensure adherence to software development best practices and Agile methodologies

Requirements

• Degree in Computer Science, Information Technology, or related field
• 3 to 7 years of hands-on software development experience
• Strong backend development experience using Kotlin and Java
• Experience in frontend development using TypeScript and React
• Familiarity with C# and MSSQL
• Good understanding of full stack architecture and system design
• Strong analytical and problem-solving skills
• Good written and verbal communication skills
• Agile mindset, fast learner, and adaptable to changing requirements

Nice to Have

• Experience working on HR systems or enterprise applications
• Familiarity with API integration and microservices architecture
• Exposure to CI/CD pipelines and DevOps practices

All information will be kept strictly confidential. Only shortlisted candidates will be contacted.

TALENT PULSE PTE. LTD.
EA License No: 25S2956

• Permanent role
• Well-established firm in the manufacturing sector

About Our Client

The employer is a well-established organisation operating within the industrial and manufacturing sector. With a strong presence in the region, they specialise in delivering advanced technology solutions to support life sciences and other industries.

Job Description

• Implement robust data models, date warehousing solutions and date transformation processes to ensure seamless integration.
• Collaborate with cross-functional teams to design, implement, and test software solutions.
• Ensure software meets performance and quality standards through rigorous testing.
• Provide technical support to troubleshoot and resolve application issues.
• Contribute to the documentation of software designs, processes, and workflows.
• Participate in code reviews to maintain high development standards.
• Stay updated on emerging technologies to enhance existing systems.

The Successful Applicant

A successful Software Developer should have:

• A degree in Computer Science, Software Engineering, or a related field.
• Proficiency in full stack web development, preferably with React and .NET languages.
• Experience in software development for industrial or manufacturing applications.
• Strong problem-solving skills and attention to detail.
• Ability to work collaboratively in a team-oriented environment.
• Excellent written and verbal communication skills.

What's on Offer

• Competitive annual salary package
• Permanent position with opportunities for career growth.
• Engaging work in the life sciences technology sector.
• Supportive and inclusive company culture.

If you are passionate about software development and are excited to make an impact in industrial and manufacturing technology, apply today!

Contact

Cheryl Ang (Lic No: R2091316/ EA no: 18C9065)

Quote job ref

JN-092025-6843971

Phone number

+65 6416 9884

Michael Page (Personnel) Pte Ltd | Registration No.201736642C

Responsibilities:

• Provide day-to-day application support (BAU) for PowerBuilder-based systems to ensure smooth business operations
• Perform production support and incident resolution, including troubleshooting application and system issues
• Analyze root causes and implement permanent fixes for recurring issues
• Enhance and maintain PowerBuilder UI components to improve usability and performance
• Manage and implement change requests, including impact analysis, development, testing, and deployment
• Collaborate with business users and internal teams to understand requirements and deliver solutions
• Prepare and maintain technical documentation, including process flows and system design updates
• Ensure timely resolution of issues while adhering to SLA and support processes
• Support system testing, UAT, and production releases

Requirements:

• Minimum 3 years experience in PowerBuilder development
• Strong expertise in PowerBuilder UI design and enhancement
• Experience with production troubleshooting and incident resolution
• Knowledge of change request management processes
• Proficiency in technical documentation and process flow creation

To apply,simply click the "Apply" button or send your updated profile to recruit@percept-solutions.com 

EA Licence No.:18S9405 / EA Reg. No.:R1330864

Percept Solutions is expanding and actively seeking talented individuals. We encourage applicants to follow Percept Solutions on LinkedIn at https://www.linkedin.com/company/percept-solutions/to stay informed about new opportunities and events.

Job Overview 

We are seeking an experienced Senior Fullstack Architect to lead the design and development of our Content Management System (CMS) platforms.  

You will be responsible for architecting robust, scalable, and secure solutions across the entire stack, mentoring engineering teams, and driving best practices in software development. 

Key Responsibilities 

• Lead the architecture, design, and implementation of complex web applications and services. 
• Defineand enforce coding standards, architectural guidelines, and best practices. 
• Oversee code reviews, technical documentation, and deployment processes. 
• Mentor and guide engineering teams, fostering a culture of technical excellence and continuous improvement. 
• Ensure scalability, performance, and security of applications. 

Requirements 

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field. 
• 5+ years of professional experience in software development, with significant experience in both frontend and backend technologies. 
• Provenexperience architecting and building large-scale, distributed systems. 
• Expertise in modern frontend frameworks (e.g., React, typescript). 
• Expertise in backend technologies (e.g., Node.js, Python, n8n). 
• Experience with RESTful APIs, GraphQL, microservices, and containerization (Docker, Kubernetes). 
• Solid understanding of database design (SQL and NoSQL). 
• Excellent problem-solving, communication, and leadership skills. 
• Experience with CI/CD pipelines and automated testing. 
• Ability to work in a fast-paced, agile environment. 

Next Step: If interested, you can click on “Apply here” or write an e-mail to dimple.jain@adecco.com with your updated resume.

Dimple Jain
EA LIcence No.91C2918
Personnel Registration No.  R22107270

Location: On-Site (Singapore)

Reporting To: Lead Engineer / CTO

About The Company:

Our client is building a next-generation prediction-market protocol designed to onboard the next billion traders. Users can buy outcome tokens, trade with PM-native leverage, and experience self-bootstrapping liquidity that is all powered by a modular oracle stack and delivered through a localised, mobile-first interface. The goal is to reinvent prediction markets as a core primitive of the future financial internet, combining deep crypto-native mechanics with world-class UX.

Position Overview:

Our client is seeking a Smart Contract Developer to design, build, test, and maintain on-chain systems powering the 42 protocol. You will work closely with product and engineering teams to architect key mechanisms, optimize smart contract security, and contribute to the core protocol’s evolution.

This is a hands-on role for someone who thrives on solving complex challenges, enjoys pushing the boundaries of DeFi design, and wants to ship code that supports real usage and liquidity at scale.

Key Responsibilities

• Collaborate with product and engineering teams to turn ideas into production-ready smart contract architecture.
• Implement and test Solidity-based contracts with security and developer experience in mind.
• Contribute to protocol design, mechanism research, and architectural decisions.
• Write and maintain clear technical documentation and diagrams for both internal and public use.
• Explore and propose improvements to existing mechanisms through research and code iteration.
• Build and maintain on-chain analytics using tools such as Dune Analytics.
• Support the development of additional extensions like data processing, indexing systems, and more.
  

Job Requirements

• 2+ years of experience developing and deploying smart contracts in Solidity.
• Proven track record of writing production-grade, security-first code (experience with mechanisms handling significant TVL is a strong plus).
• Solid knowledge of smart contract vulnerabilities and exploit prevention.
• Strong understanding of financial primitives and DeFi protocols.
• Proficiency with Foundry or Hardhat, including fuzzing, invariant testing, and gas analysis.
• Familiarity with the EVM and smart contract tooling ecosystem.
• Passion for writing elegant, efficient, high-quality code.
• Excellent written and verbal communication skills.
• Highly collaborative mindset.
  

The following would be nice to have:

• Experience designing novel mechanisms from scratch.
• Knowledge of bonding curves or market-making systems that are highly relevant to prediction markets.
• Background in formal verification or symbolic execution.
• Experience with contract monitoring, alerting, or analytics tooling.
• Participation in audits, bug bounties, or smart contract competitions.
• Published research or technical writing in crypto/DeFi.
  

Grab the chance and don't lose it. Apply now!

https://nodeworthy.recruitee.com/o/smart-contract-developer-prediction-markets-and-defi

Responsibilities:

• Design, develop, and deploy microservices using Java 11, Spring Boot, and Spring Cloud, focusing on wealth management platforms (CASA, Fixed Deposits, Cards, Payments).
• Implement event-driven architecture with Kafka for asynchronous communication between microservices.
• Containerize applications with Docker and orchestrate deployments with Kubernetes.
• Manage externalized configuration with Spring Cloud Config for cloud-native applications.
• Collaborate with cross-functional teams to define technical requirements and solutions in the Wealth domain.
• Drive best practices for code quality, testing, and deployment automation.
• Lead and mentor junior developers, providing guidance on architecture and design patterns (Hexagonal Architecture, REST APIs).

Requirements:

• 7+ years of Java development experience (Java 11 preferred), with expertise in Spring Boot, Spring Cloud, and microservices architecture.
• Experience with Kafka, Docker, Kubernetes, and Spring Cloud Config.
• Strong understanding of cloud-native architectures, event-driven design, and REST APIs.
• Experience in Wealth management, CASA, Fixed Deposits, Cards, or Payments domains preferred.
• Strong problem-solving skills, attention to detail, and ability to work in a fast-paced environment

Company Overview

Zenith Infotech (S) Pte Ltd. was started in 1997, primarily with the vision of offering state-of-the-art IT Professionals and solutions to various organizations and thereby helping them increase their productivity and competitiveness. From deployment of one person to formation of whole IT teams, Zenith Infotech has helped clients with their staff augmentation needs. Zenith offers opportunity to be engaged in long term projects with large IT savvy companies, Consulting organizations, System Integrators, Government, and MNCs.

Job Summary

You will gather and analyse user requirements to translate them into detailed application specifications. You will design, develop, test, implement, and maintain robust application systems or web-based applications that meet business needs.

Responsibilities

• Analyse user requirements to define clear application specifications that align with business objectives
• Design and develop scalable application systems, including database design, to ensure data integrity and optimal performance
• Implement and maintain web-based applications using relevant frameworks and technologies to deliver reliable and efficient solutions
• Test application systems thoroughly to identify and resolve defects, ensuring high-quality software delivery
• Collaborate with cross-functional teams to manage project timelines and deliverables effectively
• Apply strong analytical and problem-solving skills to troubleshoot and optimise application performance
• Communicate technical concepts clearly to stakeholders to facilitate informed decision-making

Preferred competencies and qualifications

• Demonstrate experience with frameworks such as Angular/AngularJS, Apache Spark, Hibernate, Java Persistence API (JPA), Node.JS, Oracle Application Development Framework (ADF), PrimeFaces, React, Spring Framework (Spring Batch, Spring Boot, Spring Web), and Struts
• Utilize Integrated Development Environments (IDEs) including Eclipse, JDeveloper, and Netbeans for efficient coding and debugging
• Apply knowledge of application servers such as JBoss Application Server (WildFly) to deploy and manage applications
• Understand architectural concepts and tools including messaging systems (e.g., IBM MQ), responsive web design, rules engines, service-oriented architecture, Weblogic, and Websphere
• Program proficiently in Java, JavaScript, Extensible Markup Language (XML), and HTML to develop dynamic and interactive applications
• Employ asynchronous JavaScript and XML (AJAX), JavaServer Faces (JSF), and web services including REST, SOAP, and Web Services for Remote Portlets (WSRP) for enhanced application functionality
• Work with operating environments such as Linux, MS SQL, Open System Environment, Unix, Windows, Unix platforms, and AWS to support diverse deployment scenarios
• Manage databases including DB2, Oracle, and MS SQL to ensure data accessibility and integrity

Other Information

• Employment type: Contract - 24 months (renewable)
• Location: Novena, Singapore
• Working Hours: 8:30AM to 6:00PM (Mon-Fri)
• Salary: $6000 - 9000 per month (no bonus)
• Working Arrangement: Full Onsite/Hybrid

EA Licence No. 20S0237

By submitting your application, you acknowledge and agree that your personal data will be collected, used, and retained in accordance with our Privacy Policy. This information will be used solely for recruitment and employment purposes.

1 year renewable contract

Responsibilities:

Developer:

• Design the solution and develop the software using waterfall/Agile methodology.
• Perform investigation, troubleshoot issues by developing scripts, SQL queries.
• Work closely and collaborate with the Business Analysts and Quality Engineers/application testers for user stories elaboration, test automation, bug fixes etc.
• Work with deployment team/DevOps team on setting up continuous integration, build and release automation.
• Provide estimates for stories during sprint planning for Agile project.
• Convert acceptance criteria into automated unit tests cases.
• Support production issues and duty rotation for after-office-hours support
• Champion Agile technical practices such as test-driven development, pair programming and refactoring
• Involve in application deployment to the various environments.

Tester:

• Understand the requirements from internal and external stakeholders’ groups and work with the development team to define and improve the build system quality.
• Review stories or requirement specs to ensure that requirements stated are correct, unambiguous and verifiable.
• Discuss, analyse and recommend design improvements or corrections to developers throughout the development process.
• Collaborate closely with stakeholders and project team to identify needs and requirements for estimation of testing scope and time frame.
• Develop and establish quality assurance deliverables and testing framework, including create and maintain test plans and test cases in accordance with changing requirements, throughout development.
• Create and manage automated test framework whenever possible, such as prepare test environment, maintain functional testing script in accordance with changing requirements.
• Conduct system integration tests with other parties, validate the output and expected outcome e.g. data to and from other parties’ systems and feedback on improvement requirement.
• Conduct extensive manual functional /exploratory testing, including browser testing.
• Conduct performance and load tests, validate the output and expected outcomes and feedback on improvement required.
• Conduct application performance and security testing to ensure we have a robust and secured system in place.
• Conduct impact analysis of defect fixes discovered during manual or automated tests, validate completed stories pass the acceptance criteria, raising defects as needed and work with development team to improve the expected behaviour and test cases.
• Demonstrate the tested stories during Sprint Review and prepare production show case to show the completed stories tested.
• Preferably to have passed the ICT Assessment Certification for Software Developer conducted by NUS-ISS.

Requirements:

• Good understanding and completion of projects using waterfall/Agile methodology.
• Demonstrable skills in Java, Dot Net, Python, Dynamics CRM, SharePoint, Mobile, Cloud or SSIS development
• Demonstrate knowledge of automated software testing methodologies such as unit testing, integration testing, functional testing, test driven development (TDD) and behaviour driven development (BDD).
• Ability to troubleshoot complex issues ranging from system resource to application stack traces.
• Hands-on experience in DevOps deployment and data virtualisation tools like Denodo will be preferred.
• Hands-on experience in big data engineering jobs using e.g. Python, Pyspark, Linux or ETL tools like Informatica.
• Strong SQL and data modelling and data analysis skills.
• Good understanding of analytics and data warehouse implementations.
• Demonstrate knowledge of creating packaging / build scripts with Docker etc.
• Track record in implementing systems with high availability, high performance, high security hosted at various data centres or hybrid cloud environments will be an added advantage.
• Relevant software development certifications, e.g. Microsoft Certified Solution Developer for Dynamics or equivalent will be a good to have.
• Certified Software Testing Professional and/or Certified Software Quality Analyst or an equivalent certification will be an added advantage.