David Gräff
Senior Software Engineer & Architect
Embedded Systems · C/C++ · Rust · Python
About
Passionate software engineer in modular and maintainable software architecture. Proficient in C-based languages and modern Python. Demonstrated problem-solving skills in creating complex close-to-metal real-time software systems.
Skills
Experience
Software Architect & ML Engineer & Senior ML Engineer
Hexagon
Productized on-device machine learning solutions for multiple Leica and Hexagon products.
Software Architect & Senior Engineer
Leica Geosystems AG (Hexagon)
Designed Linux-based OS, A/B update procedures, and AWS cloud solutions. Developed laser safety-critical embedded C++ and Rust software for handheld Lidar scanners. Achieved 7× production throughput increase.
Software Engineer
Balena.io
Designed HTTP/gRPC C++ and Rust microservices including distributed OAuth2 services. Drastically increased throughput of existing systems.
Software Engineer
Eclipse Foundation / Telekom AG
Designed and implemented NLP processing and MQTT/CoAP support for Eclipse IoT / Eclipse Smarthome products using JavaEE & OSGi.
Embedded Software Engineer
Neugebauer IT
Developed client-specific embedded C/C++ add-ons for point-of-sale infrastructures.
C++ Teaching & DevOps & Software Engineer
TU Dortmund — Mechanical Engineering Dept.
C++ consultant, team management, and optimization of simulation software — reducing computation time from 4 days to 2 hours.
Education
M.Sc. Information Technology
Technical University, Dortmund
B.Sc. Information Technology
Technical University, Dortmund