Kilian Saffran

As Senior Engineer operating, I partner with enterprises and tech companies in Luxembourg to build, scale, and optimize their core backend systems and databases.

My project work focuses on delivering pragmatic, high-performance solutions without unnecessary overhead. I step in to build things right from the start, or to fix and refactor systems that are struggling under heavy load.

Core Project Deliverables:

• Architecting and developing robust RESTful APIs and backend services.

• Designing highly available, scalable PostgreSQL database architectures.

• Managing and processing high-volume data (handling 500M+ records).

• Performance Tuning: Identifying and fixing bottlenecks in existing code and slow SQL queries.

• Seamless system integration and legacy modernization.

• Ensuring absolute data integrity and system stability for critical infrastructure.