Senior Full Stack Engineer – Java/React (m/f/d)
Location
Lisbon, Lisbon
Job Type
Full-time
Category
Computer Occupations
Posted
June 18, 2026
Job Description
We are modernizing several of SIXT’s business-critical core systems by replacing legacy vendor solutions with in-house platforms used across the whole company. We are now transitioning from external/legacy solutions into fully owned internal systems, and you will play a key role in redefining how these systems are designed, built, and operated.
If you want to help shape the next generation of these platforms and contribute to a large-scale transformation program, apply now.
YOUR ROLE AT SIXT
- Understand business processes behind systems and translate them into scalable in-house solutions, not just code implementations
- Contribute to the modernization of legacy systems into internal platforms as part of a broader transformation initiative
- Design and develop end-to-end distributed systems across backend (Java) and frontend (React/TypeScript)
- Work ...