Senior Java/Angular Full-Stack Engineer

OnePoint; Brussel Hoofdstad; On-site; EUR 70,000 - 100,000; Full time

Job summary

Onepoint in Belgium is seeking a Senior Full-Stack Java Developer to design, build and maintain modern web applications across backend and frontend.

You will work on RESTful APIs, Angular frontends, and contribute to architecture, performance, security and maintainability while mentoring junior developers. Join a collaborative team using CI/CD and agile practices to deliver high‑quality features.

Qualifications

• 5+ years of professional Java development experience.
• Strong Spring Boot and REST API experience.
• Frontend experience with Angular and TypeScript.
• Enterprise‑level app experience focusing on performance, security and maintainability.
• CI/CD and Agile environment experience.

Responsibilities

• Design, develop and maintain backend services using Java and frameworks.
• Build and enhance RESTful APIs to support web and mobile applications.
• Develop responsive frontend interfaces using Angular.
• Participate in architecture discussions focusing on performance, scalability and security.
• Write clean, tested, and well‑documented code following best practices.
• Collaborate with product owners, business analysts and other developers to refine requirements and deliver features.
• Troubleshoot and resolve complex issues across the stack.
• Contribute to code reviews, knowledge sharing and mentoring of junior developers.
• Participate in CI/CD, release management and lifecycle improvements.

Skills

Java

Spring Boot

REST APIs

Angular

TypeScript

SQL/ORM

CI/CD

Agile/Scrum

Microservices

Architectural patterns

Job description

Onepoint in Belgium is seeking a Senior Full-Stack Java Developer to design, build and maintain modern web applications across backend and frontend.

You will work on RESTful APIs, Angular frontends, and contribute to architecture, performance, security and maintainability while mentoring junior developers. Join a collaborative team using CI/CD and agile practices to deliver high‑quality features.