onsite
Senior Full Stack Engineer - Java/React - SIXT
Full Stack Developer
Lead end‑to‑end development of scalable web applications using Java and React, architecting robust APIs, and driving best practices in code quality and performance.
About the role
Key Responsibilities
- Design, develop, and maintain high‑performance web applications with Java (Spring) and React, ensuring clean architecture and modular code.
- Build and expose RESTful APIs, integrating with relational databases (SQL) and third‑party services.
- Collaborate with product owners, designers, and QA to deliver features on time while upholding coding standards and test coverage.
- Mentor junior developers, conduct code reviews, and promote continuous improvement in development processes.
- Participate in architecture discussions, performance tuning, and scalability planning for production systems.
Requirements
- 5+ years of professional experience in full‑stack development with Java and React.
- Strong knowledge of Spring Boot, REST API design, and relational database modeling.
- Proficiency in front‑end technologies (HTML5, CSS3, JavaScript, TypeScript) and modern build tools.
- Experience with CI/CD pipelines, unit/integration testing, and agile methodologies.
- Excellent problem‑solving skills, communication, and a passion for delivering high‑quality software.