Karim Benhdech is a Tech Lead Java with 13 years of experience building high-availability, real-time systems for RATPgroup after starting his career at Vidal and graduating from MIAGE Amiens. He specializes in backend Java, Kafka, Spring and full-stack web frontends (Angular/React), routinely driving code reviews, architecture decisions and cross-team libraries for security and multi-environment configuration. His work focuses on traveler information platforms that process massive real-time streams (multi-transport modes) and services that must sustain thousands of calls per second, combining performance testing, monitoring and resilient Kafka operations. Pragmatic and hands-on, he also has a background in release automation, observability (Grafana/Loki) and client-side data visualization, enabling end-to-end delivery from low-level optimizations to user-facing UIs. Based near Paris, he turned freelance in 2013 and has a track record of turning complex operational constraints into maintainable, production-grade software.
13 years of coding experience
13 years of employment as a software developer
Licence Licence Sciences et Techniques mention Informatique, Licence Licence Sciences et Techniques mention Informatique at CY Cergy Paris Université
Master 2 (M2) Miage mention OSIE (Organisation des systèmes d'information en entreprises), Master 2 (M2) Miage mention OSIE (Organisation des systèmes d'information en entreprises) at Université de Picardie Jules Verne (Amiens)
Baccalauréat S, Baccalauréat S at Lycée de Sartrouville
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