Total 11 java developer job vacancies in D27 Yishun, Sembawang

Key Responsibilities:

- Develop and maintain front-end applications using React.

- Build and optimize back-end services with Java and MSSQL.

- Design and implement RESTful APIs and integrate with front-end components.

- Troubleshoot and optimize application performance.

Required Skills:

- Experience in React, Java (Spring, Hibernate), and MSSQL.

- With at least 7 years of experience in solutioning and handling big projects

- Strong knowledge of RESTful APIs, JavaScript, and SQL.

- Experience with front-end build tools (e.g., Webpack, Babel).

- Familiarity with version control (Git) and Agile development practices.

Job Description:

We are seeking a highly skilled and motivated React.js Developer to join our dynamic development team. The ideal candidate will be responsible for designing and implementing user interface components, managing front-end logic, and optimizing applications for maximum performance across a wide range of devices and browsers.

As a React.js Developer, you will work closely with cross-functional teams, including UX/UI designers and back-end developers, to deliver seamless and responsive web applications. You will be expected to write clean, efficient, and maintainable code, and contribute to the overall success of the product development cycle.

Responsibilities:

• Develop and maintain dynamic and responsive web applications using React.js and related technologies.
• Work with the team to define and implement front-end architecture for web applications.
• Collaborate with designers to implement user interface designs with a focus on usability and performance.
• Integrate third-party APIs and services.
• Optimize applications for maximum speed and scalability.
• Ensure cross-browser compatibility and responsive design across devices.
• Write unit and integration tests to ensure code quality and prevent regressions.
• Troubleshoot and debug application issues, optimizing code where necessary.
• Stay up to date with the latest industry trends and technologies to enhance the user experience and functionality of the applications.
• 
  

Skills & Qualifications:

• Strong proficiency in JavaScript, especially with React.js and its ecosystem (Redux, React Router, Hooks, etc.).
• Solid understanding of HTML5, CSS3, and modern front-end frameworks (e.g., Bootstrap, Material-UI).
• Experience with RESTful APIs and asynchronous request handling.
• Familiarity with state management libraries (Redux, Context API, etc.).
• Understanding of responsive design principles and cross-browser compatibility.
• Familiarity with front-end build tools like Webpack, Babel, and npm/yarn.
• Experience with testing frameworks (Jest, Mocha, Enzyme, or similar).
• Ability to work in an Agile development environment and participate in Scrum ceremonies.

Preferred Qualifications:

• Experience with TypeScript in a React.js environment.
• Familiarity with server-side rendering (SSR) using Next.js or similar frameworks.
• Knowledge of cloud services (AWS, Azure, etc.) and serverless architectures.
• Experience with CI/CD pipelines and automated deployment processes.
• Basic knowledge of back-end technologies (Node.js, Express, etc.) is a plus.
• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
• Proven experience in building and deploying React.js applications in a professional environment.
• With at least 7 years of experience in solutioning and handling big projects

Job Description:

We are seeking a highly skilled and motivated React.js Developer to join our dynamic development team. The ideal candidate will be responsible for designing and implementing user interface components, managing front-end logic, and optimizing applications for maximum performance across a wide range of devices and browsers.

As a React.js Developer, you will work closely with cross-functional teams, including UX/UI designers and back-end developers, to deliver seamless and responsive web applications. You will be expected to write clean, efficient, and maintainable code, and contribute to the overall success of the product development cycle.

Responsibilities:

• Develop and maintain dynamic and responsive web applications using React.js and related technologies.
• Work with the team to define and implement front-end architecture for web applications.
• Collaborate with designers to implement user interface designs with a focus on usability and performance.
• Integrate third-party APIs and services.
• Optimize applications for maximum speed and scalability.
• Ensure cross-browser compatibility and responsive design across devices.
• Write unit and integration tests to ensure code quality and prevent regressions.
• Troubleshoot and debug application issues, optimizing code where necessary.
• Stay up to date with the latest industry trends and technologies to enhance the user experience and functionality of the applications.
• 
  

Skills & Qualifications:

• Strong proficiency in JavaScript, especially with React.js and its ecosystem (Redux, React Router, Hooks, etc.).
• Solid understanding of HTML5, CSS3, and modern front-end frameworks (e.g., Bootstrap, Material-UI).
• Experience with RESTful APIs and asynchronous request handling.
• Familiarity with state management libraries (Redux, Context API, etc.).
• Understanding of responsive design principles and cross-browser compatibility.
• Familiarity with front-end build tools like Webpack, Babel, and npm/yarn.
• Experience with testing frameworks (Jest, Mocha, Enzyme, or similar).
• Ability to work in an Agile development environment and participate in Scrum ceremonies.

Preferred Qualifications:

• Experience with TypeScript in a React.js environment.
• Familiarity with server-side rendering (SSR) using Next.js or similar frameworks.
• Knowledge of cloud services (AWS, Azure, etc.) and serverless architectures.
• Experience with CI/CD pipelines and automated deployment processes.
• Basic knowledge of back-end technologies (Node.js, Express, etc.) is a plus.
• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
• Proven experience in building and deploying React.js applications in a professional environment.
• With at least 7 years of experience in solutioning and handling big projects

Job Overview:

We are seeking a talented and motivated Mobile App Developer to join our dynamic team. The ideal candidate will be responsible for designing, developing, and maintaining mobile applications for both iOS and Android platforms. The role involves working closely with other developers, designers, and product managers to create high-quality, user-friendly mobile apps that deliver exceptional user experiences.

Key Responsibilities:

1. Mobile App Development:Design and build advanced applications for mobile devices, ensuring they are optimized for performance and user experience.
   Develop mobile applications for both iOS (Swift, Objective-C) and Android (Kotlin, Java) platforms, or hybrid apps (using React Native, Flutter, etc.).
   Collaborate with cross-functional teams (UI/UX designers, back-end developers) to define app features and integrate APIs.
   
2. App Maintenance and Improvement:Perform regular updates to improve app performance, add new features, and ensure compatibility with new OS versions.
   Troubleshoot, debug, and optimize existing applications for scalability and performance.
   Maintain version control (Git/GitHub/GitLab) and follow proper deployment processes.
   
3. User Experience and Interface Design:Work with UI/UX designers to implement user-friendly and visually appealing mobile interfaces.
   Ensure the design and functionality of the mobile apps are aligned with the company’s brand and user expectations.
   Conduct testing and reviews to ensure app usability and accessibility standards are met.
   
4. App Testing and Debugging:Write unit and integration tests for code coverage and app stability.
   Conduct rigorous testing to identify bugs and issues, ensuring apps function across various devices and operating systems.
   Optimize app performance, especially for speed, battery life, and memory usage.
   
5. Collaboration and Documentation:Collaborate with product managers, designers, and other developers to define app requirements and ensure successful app launches.
   Provide clear documentation for code, workflows, and development processes to facilitate team collaboration.
   Stay updated with the latest mobile app trends, technologies, and best practices to enhance app development.
   
6. Security and Data Management:Implement app security measures, including data encryption and secure authentication.
   Ensure compliance with privacy regulations (GDPR, CCPA, etc.) in the collection and handling of user data.

Required Qualifications

• 3+ years of experience in mobile app development for iOS and/or Android platforms.
• Proven experience with mobile programming languages (Swift, Objective-C, Kotlin, Java).
• Experience in React Native is a must.
• Experience with RESTful APIs, third-party libraries, and SDK integration.
• Understanding of mobile app design principles and user interface guidelines.
• Proficiency in mobile development tools and IDEs (Xcode, Android Studio).
• Familiarity with version control systems (Git/GitHub/GitLab).
• Strong debugging and problem-solving skills.
• Experience with mobile app testing frameworks (JUnit, Espresso, XCTest).
• Knowledge of cloud services and mobile app deployment processes (Google Play Store, Apple App Store)

OutSystems Developer (Senior)

(a) As a OutSystems Developer, you are responsible for:

• Design, develop and deploy applications using OutSystems platform to support business processes and workflows.
• Work closely and collaborate with the Business Analyst and Quality Engineers for user stories elaboration, unit testing and bug fixes
• Provide estimation for user stories
• Prepare architectural and other technical documents.
• Work with code deployment and conflict resolution.

(b) As a OutSystems Developer, you need to bring to the team:

• Experience with OutSystems Reactive Web Apps development.
• Good understanding and completion of projects using Agile methodology.
• Familiar with Unit Testing.
• Knowledge of C# and SQL languages will be an added advantage.
• Good written and verbal communication and interpersonal skills
• Working experience with Atlassian products (Jira, Confluence, XRAY) will be an added advantage.
• Team player with ability to collaborate and work effectively within team.
• Familiar or have experiences in cloud technology such as AWS.
• Certification on cloud technology will be an added advantage.

(c) Minimum qualification for the role:

• Minimum six (6) years experience working as OutSystems Developer
• Degree or Diploma in Computer Science, Computer or Electronics Engineering, Information Technology, or related disciplines.
• OutSystems certified developer preferred.

About the Role:

We are seeking a motivated C++ Software Engineer with 1 to 2 years of experience to join our team. The ideal candidate will have hands-on experience in a Linux environment and preferably possess knowledge of embedded systems. As a C++ Software Engineer, you will be responsible for developing, maintaining, and optimizing software solutions that drive our products.

Key Responsibilities:

• Develop and maintain C++ applications within a Linux environment, ensuring high performance and reliability.
• Collaborate with cross-functional teams to define, design, and implement new features.
• Troubleshoot, debug, and optimize existing software, addressing issues as they arise.
• Write efficient, maintainable, and well-documented code.
• Participate in code reviews to ensure adherence to best practices and high-quality standards.
• Contribute to software testing and validation processes to ensure robust and stable releases.
• Assist in system integration tasks, particularly within embedded systems.
• Stay up-to-date with industry trends and emerging technologies to contribute to continuous improvement.

Required Skills and Qualifications:

• Bachelor’s degree in Computer Science, Software Engineering, or a related field.
• 1 to 2 years of experience in C++ programming, with a strong understanding of object-oriented programming concepts.
• Proficiency in Linux-based development, including shell scripting and familiarity with Linux command-line tools.
• Basic knowledge of embedded systems development, with an interest in deepening expertise in this area.
• Experience with debugging and profiling tools.
• Familiarity with version control systems, such as Git.
• Strong problem-solving skills and attention to detail.
• Good verbal and written communication skills.

Preferred Qualifications:

• Experience with real-time operating systems (RTOS) or embedded Linux.
• Knowledge of hardware-software interfacing, such as device drivers or peripheral integration.
• Familiarity with network protocols, especially TCP/IP, and other communication interfaces.
• Understanding of Agile development methodologies.

We are looking for a skilled Angular Developer to join our development team. The ideal candidate will have a strong background in frontend development and a passion for creating high-quality user interfaces. They will work closely with our backend developers, designers, and product managers to build and improve the functionality and performance of our web applications.

Key Responsibilities

• Develop and implement user interfaces using Angular and related frontend technologies.
• Collaborate with product owners, designers, and backend developers to translate requirements into efficient, responsive, and user-friendly applications.
• Write clean, maintainable, and reusable code following industry best practices and company guidelines.
• Optimize application performance to ensure fast loading times and smooth user experiences.
• Conduct thorough testing of components and features, including unit testing and debugging.
• Participate in code reviews to ensure code quality and provide feedback to other team members.
• Stay updated on the latest frontend trends and contribute to improving the frontend development processes.

Required Skills and Experience

• Bachelor’s degree in Computer Science, Software Engineering, or a related field.
• 3+ years of experience in frontend development with a strong focus on Angular (Angular 6+ preferred).
• Proficiency in HTML5, CSS3, JavaScript, and TypeScript.
• Familiarity with RESTful APIs and integrating them with frontend code.
• Experience with responsive and adaptive design practices.
• Strong understanding of version control systems (e.g., Git).
• Familiarity with UI/UX design principles and cross-browser compatibility.
• Experience with testing frameworks like Jasmine, Karma, or Protractor is a plus.
• Knowledge of state management libraries (e.g., NgRx, Akita) is a plus.

Preferred Skills

• Experience with Agile/Scrum methodologies.
• Familiarity with CI/CD pipelines for frontend applications.
• Knowledge of other frontend frameworks like React or Vue.js is an advantage.

Summary:

As a Developer Cloud, you will be responsible for designing and developing software solutions using both

waterfall and Agile methodologies. Your role involves collaborating closely with Business Analysts and

Quality Engineers to elaborate user stories, automate tests, and fix bugs. You'll work on setting up

continuous integration processes, provide sprint planning estimates, and create automated unit tests. Your

responsibilities extend to troubleshooting issues, supporting production systems, and championing Agile

technical practices. Proficiency in Commercial Cloud deployment, system implementation, and design of

common services like Terraform is essential. Experience with Government Commercial Cloud would be an

added advantage in this role.

Key Responsibilities

• 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.

What we are looking for

• Verse in Commercial Cloud deployment and system implementation
• Verse in Commercial cloud design and implementation of common services such as terraform
• Experience in Government Commercial Cloud is added value and consideratio

Job Summary

We are looking for a skilled Angular Developer to join our development team. The ideal candidate will have a strong background in frontend development and a passion for creating high-quality user interfaces. They will work closely with our backend developers, designers, and product managers to build and improve the functionality and performance of our web applications.

Key Responsibilities

• Develop and implement user interfaces using Angular and related frontend technologies.
• Collaborate with product owners, designers, and backend developers to translate requirements into efficient, responsive, and user-friendly applications.
• Write clean, maintainable, and reusable code following industry best practices and company guidelines.
• Optimize application performance to ensure fast loading times and smooth user experiences.
• Conduct thorough testing of components and features, including unit testing and debugging.
• Participate in code reviews to ensure code quality and provide feedback to other team members.
• Stay updated on the latest frontend trends and contribute to improving the frontend development processes.

Required Skills and Experience

• Bachelor’s degree in Computer Science, Software Engineering, or a related field.
• 3+ years of experience in frontend development with a strong focus on Angular (Angular 6+ preferred).
• Proficiency in HTML5, CSS3, JavaScript, and TypeScript.
• Familiarity with RESTful APIs and integrating them with frontend code.
• Experience with responsive and adaptive design practices.
• Strong understanding of version control systems (e.g., Git).
• Familiarity with UI/UX design principles and cross-browser compatibility.
• Experience with testing frameworks like Jasmine, Karma, or Protractor is a plus.
• Knowledge of state management libraries (e.g., NgRx, Akita) is a plus.

Preferred Skills

• Experience with Agile/Scrum methodologies.
• Familiarity with CI/CD pipelines for frontend applications.
• Knowledge of other frontend frameworks like React or Vue.js is an advantage.

• Develop, maintain and support custom-built software application
• Preparation of technical documentation on Jira and Confluence
• Perform unit testing on software deliverables and provide the relevant assistance during product test, integration test and user acceptance test
• Provide post-implementation support and carry out investigation and troubleshooting when necessary

Qualifications

• Minimum 5+ years experience in C# .Net Development preferably on .Net Framework
• Experience with presentation frameworks: WPF and ASP.net
• Familiar with relational database concepts and SQL experience preferably on MS SQL
• Experience using Git and have a good understanding of Git workflow
• Experience working in Agile Scrum teams and productivity tools like Jira and Confluence
• Exposure to DevOps tools like Jenkins and Kubernetes will be a bonus

We are looking for a talented Backend Developer to join our team. The ideal candidate will have expertise in deploying applications on AWS, experience with Docker, a solid understanding of databases, and familiarity with message queues, particularly MQTT. Experience with Python is a plus. If you enjoy working on scalable systems and thrive in a collaborative environment, we’d love to hear from you!

Key Responsibilities

• Design, develop, and maintain robust backend systems.
• Deploy and manage applications on AWS using services such as EC2, Lambda, S3, or ECS.
• Build and manage containerized applications using Docker.
• Work with both SQL and NoSQL databases, ensuring high availability and performance.
• Implement message queues, focusing on MQTT for communication between distributed systems.
• Collaborate with cross-functional teams to gather requirements and deliver efficient solutions.
• Write clean, scalable, and well-documented code following best practices.
• Monitor and troubleshoot backend systems to ensure uptime and reliability.
• Optimize existing code and services for performance and scalability.
• 
  

Required Skills and Qualifications

• 3+ years of experience in backend development.
• Strong hands-on experience with AWS deployment and services.
• Expertise in Docker containerization and orchestration.
• Solid knowledge of databases (SQL and NoSQL).
• Familiarity with message queues, particularly MQTT.
• Proficiency in any backend programming language (e.g., Java, Node.js, Go, or Python).
• Experience in version control tools like Git.
• Ability to write efficient, maintainable, and scalable code.
• Strong analytical and problem-solving skills.
• Familiarity with CI/CD pipelines is a plus

.

Preferred Skills

• Python development experience.
• Knowledge of additional AWS tools and services (e.g., CloudWatch, RDS, DynamoDB).
• Exposure to DevOps practices.
• Experience working in Agile or Scrum environments.