About Benjamin
French
Native or bilingual
English
Native or bilingual
Experience
- Adequate FunctionPrimary developerSOFTWARE PUBLISHINGMay 2026 - Today (2 months)Lille, FranceDesigned and implemented a dynamic Retrieval-Augmented Generation application connected to multiple LLM providers.The goal was to create a reusable knowledge layer capable of ingesting, vectorizing, indexing, and pre-warming internal documentation. The application uses semantic search, vector distance, contextual retrieval, and LLM orchestration to provide reliable, context-aware answers to client requests while remaining adaptable to different business domains.Stack:- Python- Rust- ChromaDB or Postgres PGVector- local LLM model for encoding- External LLM for reasoning (openai, anthropic ...)
- Adequate FunctionPrimary DeveloperSOFTWARE PUBLISHINGOctober 2025 - February 2026 (4 months)Lille, FranceBuilt a consumer web platform for mountain bike enthusiasts to centralize, compare, and manage bike geometry data.The application helps riders make better fit and purchase decisions by providing structured geometry management, SVG-based bike visualizations, side-by-side comparisons, and a personal bike collection synchronized with a shared library. It also supports data import/export, responsive PWA usage, templating, versioning, diff and synchronization workflows, rider profile tuning, community voting, and scheduled calendar-based events.Stack:- React TypeScript (Redux Toolkit, TailwindCSS, Vite PWA) frontend- Rust + Actix‑web backend with SQLX;- PostgreSQL database; Docker Compose and Nix
- AdeoTechnical LeaderRETAIL (LARGE RETAILERS)May 2025 - Today (1 year and 2 months)Villeneuve-d'Ascq, FranceTechnical leader on a large-scale Delivery Management System used across multiple business units:
- Led the architecture and delivery of a multi-tenant backend platform
- Defined domain models, service boundaries, and technical standards
- Acted as day-to-day tech lead for a team of 5 developers + 1 QA
- Designed document ingestion, validation, metadata enrichment, and audit-ready retention workflows
- Implemented asynchronous orchestration, notifications, and background processing
- Ensured compliance, traceability, and observability from early design stages
- Worked closely with product owners and stakeholders to align technical and business goals
Stack:- Java 25, Spring Boot, Liquibase, OpenAPI, Swagger, Postgres, Valley. Kafka, Resilience4j,
- JIB, Nix/NixOS, VAVR, Manifold, Docker/k8s
- NRT Karate, Github Action, Vault, WireMock
- Typescript, Vue, Vite, Pinia
- Docker, Nix, Nginx, Kubernetes
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Education
- Master pro ingénieurie logicielle pour InternetUniversité d'Artois2005Orientation IA et Maths