Senior Java Full Stack Developer
First seen by Alion on Oct 28, 2026.
We are looking for a skilled Senior Java Full Stack Developer with strong expertise in Java 21, Node.js 22, and modern frontend frameworks such as React or Angular. The role involves designing and developing scalable enterprise applications, building RESTful APIs and microservices, and delivering responsive user interfaces. The ideal candidate should be comfortable working in Agile environments, collaborating with globally distributed teams across APAC and EMEA, and leveraging AI-assisted development tools to enhance productivity and code quality.
Responsibilities :
- Design, develop, and maintain scalable full-stack applications using Java 21, Node.js 22, and React or Angular.
- Build responsive, user-friendly web applications using modern frontend development practices.
- Develop, integrate, and maintain RESTful APIs, backend services, and microservices.
- Write clean, reusable, maintainable, and efficient code in line with engineering standards.
- Collaborate with product owners, architects, QA teams, and stakeholders across APAC and EMEA.
- Participate in architecture discussions, code reviews, debugging, and performance optimization.
- Use AI-assisted development tools such as GitHub Copilot, Claude Code, and OpenAI Codex to improve development efficiency and code quality.
- Contribute to Agile/Scrum ceremonies, continuous delivery, and ongoing product innovation.
- Support application deployments, troubleshoot technical issues, and resolve production incidents.
Requirements :
- 6 - 8 years of software development experience, with strong hands-on expertise in Java full-stack development.
- Proficiency in Java 21 and Node.js 22.
- Experience designing and developing microservices and RESTful APIs.
- Strong hands-on experience with React.js or Angular.
- Proficiency in HTML5, CSS3, and JavaScript (ES6+).
- Experience working with XML views, JSON, and MVC architecture.
- Understanding of responsive UI development and modern frontend design principles.
- Practical experience using AI-assisted coding tools such as GitHub Copilot, Claude Code, or OpenAI Codex.
- Familiarity with Git and version control practices.
- Strong debugging, problem-solving, and application performance optimization skills.
- Experience working in Agile/Scrum environments and collaborating with international teams across APAC and EMEA.
- Strong communication and stakeholder collaboration skills.
- Knowledge of Vert.x 5 is an advantage.
Skills
Java, Full Stack, React.js, AngularJS, RESTful API, Microservices Architecture, Javascript, Node.js