Full Stack Engineer — Java, NodeJS & UI
Summary
Senior full stack engineer designing, building and maintaining large-scale Java applications, REST APIs and UI (with NodeJS), with a test-first, security-by-design mindset. Day to day: TDD with JUnit/Mockito, code reviews, refactoring, and wiring quality/security gates (SonarQube, JaCoCo) into CI/CD pipelines.
FULL STACK ENGINEER — JAVA, NODEJS & UI
ROLE DESCRIPTIONS
Design and develop high-quality Java applications and services while maintaining code quality. Write comprehensive unit tests and apply test-driven development practices. Collaborate with cross-functional teams to deliver secure and reliable solutions. Refactor existing codebases to improve performance and maintainability. Stay updated with emerging technologies to enhance development processes.
JOB DESCRIPTION
We are looking for a seasoned Senior Full Stack Engineer who is passionate about building high-quality, secure, and maintainable software. As part of the Technology and Transformation Strategy team, you will design, develop, test, and support large-scale Java applications, services, and developer tooling that power the end-to-end software delivery experience. You will bring strong NodeJS core Java expertise and UI technologies, a test-first mindset, and a security-by-design approach writing robust unit tests, upholding code quality, and helping development teams deliver faster, more securely, and with higher quality.
WHAT YOU WILL DO
• Design, develop, and maintain high-quality, maintainable Java applications and services using clean code principles and established design patterns.
• Write comprehensive, meaningful unit tests using JUnit and Mockito to ensure code correctness, reliability, and long-term maintainability.
• Apply test-driven development (TDD) and continuous testing practices to drive design, maximize coverage, and prevent regressions.
• Build modular, reusable, and testable applications and APIs (REST web services) in Java.
• Embed security-by-design throughout the development life cycle, following secure coding standards and addressing vulnerabilities early.
• Champion code quality through thorough code reviews, pair programming, and adherence to coding standards and best practices.
• Refactor and improve existing codebases to reduce technical debt and enhance readability, performance, and testability.
• Apply core Java conceptscollections, concurrency and multithreading, generics, streams, exception handling, and JVM memory managementto build robust solutions.
• Integrate automated unit testing, static code analysis, security scanning, and quality gates into CICD pipelines.
• Use tools such as SonarQube and JaCoCo to measure, enforce, and continuously improve code quality and test coverage.
• Collaborate with architects, business and application analysts, operations teams, and testing specialists to deliver reliable, secure, high-quality solutions.
• Diagnose, troubleshoot, and resolve complex technical, performance, security, and reliability issues.
• Stay current with emerging technologies, including AI-assisted development and developer experience platforms, and evaluate how they can improve quality and productivity.
ESSENTIAL SKILLS
• Experience with AI-assisted development tools and backend API technologies is advantageous.
• Familiarity with containerization and orchestration technologies like Docke