Senior Agentic Coding Fullstack Developer

Didier is an experienced developer with over 10 years of experience, specializing in open-source technologies like Drupal, Symfony, and NextJS. His expertise includes faceted searches (ApacheSolr, MongoDB), data migration (GraphQL, XML, JSON, CSV, REST APIs), advanced cache policies (Varnish, Redis, persisted queries, cache tags), and performance optimization with xhprof. He also has experience with Python, Mongo, TypeScript, and C++. After a career break for health-related research, he became proficient in the agentic coding stack (OpenCode, OpenAI Codex, OpenSpec) and is now seeking part-time (3 days/week) agentic coding development contracts. He is located in Paris and prefers remote work.