L’Ordinatrice
FR
Camille Regnault speaking at a conference

GET /lordinatrice 200 OK

Camille Regnault

Lead Ruby on Rails developer & API expert

Clear code, solid APIs, happier teams.

7 years of Rails, from scale-ups to French government services. I help teams ship solid APIs and codebases that age well, and bring AI into how they work without trading away quality.

Try an endpoint:

200 OK X-Powered-By: Ruby & café

{
  "name": "Camille Regnault",
  "alias": "L’Ordinatrice",
  "role": "Lead Rails & API",
  "experience_years": 7,
  "stack": ["Rails", "Hotwire", "REST", "GraphQL"],
  "remote": true,
  "bugs_introduced": 0  // that’s the goal, anyway
}

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What I do for you

GET /principles

How I work

GET /experiences?sort=desc

Experience

  1. 07/2025 → now

    DINUM × Bercy

    Lead Software Engineer

    Passe Marché: making it simpler for companies to bid on public procurement. Technical decisions, user onboarding, AI-assisted development workflow.

    • Rails
    • DSFR
    • AI agents

  2. 08/2024 → 04/2025

    Swish

    Lead Backend Developer

    Moved to a headless architecture: split API and front end, led an international team, set craft practices.

    • Rails
    • REST API
    • RSpec

  3. 05/2024 → 06/2024

    Electra

    Backend Developer

    Integrated an external billing and CRM tool with SAP for the finance team.

    • Rails
    • SOAP
    • SAP

  4. 06/2023 → 04/2024

    Bump.sh

    Software Engineer

    Automated API documentation and catalog platform.

    • Rails
    • Hotwire
    • OpenAPI

  5. 09/2021 → 01/2023

    KissKissBankBank

    Software Engineer

    Main app in TDD, Matrix and Front App APIs, subscriptions, pricing, messaging, data warehouse, alongside the product team.

    • Rails
    • GraphQL
    • TDD

  6. 11/2019 → 09/2021

    Wemind

    Software Engineer

    E-signature (Yousign), internal tools for non-tech teams, full-remote rollout, REST integrations.

    • Rails
    • Vue.js
    • REST

"before_code": A master’s in languages and international finance, time in Luxembourg and Dublin, Russian studies in Saint Petersburg, marketing, consulting and translation. That’s where my product and business sense comes from.

GET /testimonials

They say it better than I do

  • When her contract ended, I was surprised to realise I had forgotten Camille was a freelancer here for a set period, she was that invested in our (very technical) product and in the team. […] Her knowledge of the Rails world, including Women on Rails, taught us a lot about new topics.
    Paul M. Backend engineer, Bump.sh Translated from French
  • From day one, she brought sharp problem-solving skills, a deep understanding of Rails conventions, and a proactive attitude that made her a key contributor to our team. […] She was often the one who caught edge cases or suggested improvements during code reviews that the rest of us missed.
    Vivek S. Direct manager, Swish
  • Great people skills and a good listener, Camille knows how to focus on what matters and doesn’t hesitate to suggest improvements mid-project (process and/or product). Her Rails knowledge and experience working in dev teams really helped us move forward on product needs we had set aside for lack of resources and time.
    Paul B. Software engineer, Bump.sh Translated from French
  • From the start, she supported us with rigour, skill and professionalism, all the more so as it was during the COVID lockdown, which imposed new working rhythms. She proactively helped improve how we worked remotely and build an effective culture for handling bugs and team requests.
    Matthieu V. CTO, Wemind Translated from French
  • Camille is always up for moving projects forward, with rigour, kindness and a smile. A committed, positive person who makes all the difference in a team.
    Ahmed M. Frontend Tech Lead, Swish Translated from French

GET /writing

Writing & sharing

A project, an audit, a team to reinforce?

Drop me a line: I reply fast, and I’ll tell you honestly whether I’m the right person for the job.

Say hello

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