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Benjamin HoudebertBH

Benjamin Houdebert

Technical Leader / Architect / Developer

€555/day
1 project
Lille, FR
15+ years

Average response time: 1 hour

About Benjamin

Season Software Architect, Developer, Product Manager (..), with a deep passion for cloud technologies, software architecture, and functional programming. My expertise spans across various languages and technologies, with a special focus on Java, Haskell, Rust and NodeJS.

Driven to leverage technology to create impactful solutions that enhance business processes and user experiences. I combine hands-on development with strategic oversight to align technological innovations with business objectives, continually striving to push the boundaries of what's possible.

I'm keen to connect with tech enthusiasts and professionals to explore new technologies, tackle challenging problems, and discuss potential collaborations.

I am always eager to learn something new.
  • French

    Native or bilingual

  • English

    Native or bilingual

Can work on-site
Lille (up to 50km)

Experience

  • Adequate Function
    Primary developer
    SOFTWARE PUBLISHING
    May 2026 - Today (2 months)
    Lille, France
    Designed 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 ...)
    LLM RAG Python OpenAI Java
  • Adequate Function
    Primary Developer
    SOFTWARE PUBLISHING
    October 2025 - February 2026 (4 months)
    Lille, France
    Built 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
    Rust Flutter React Native
  • Adeo
    Technical Leader
    RETAIL (LARGE RETAILERS)
    May 2025 - Today (1 year and 2 months)
    Villeneuve-d'Ascq, France
    Technical 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
    Spring boot Apache Kafka Nix JavaScript Java

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Education

  • Master pro ingénieurie logicielle pour Internet
    Université d'Artois
    2005
    Orientation IA et Maths

Skill set

Categories