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Frédéric BoisguérinFB

Frédéric Boisguérin

Senior Backend Engineer

€890/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Frédéric

💻 12 years of experience in software development, mainly on backend architectures.
Specialized in Ruby, Python, and TypeScript, with a strong craft, agile, and secure by design culture.

💎 Passionate about code quality, security, and collaboration, I design robust, reliable products that comply with GDPR and cybersecurity requirements.

🎓 Mentored by Codurance London (2017)
🏅 Certified Scrum PSM I & PSPO I

✅ What I do daily:
• Participate in all stages of the product cycle: design, development, deployment, and monitoring of technical and business indicators.
• Practice TDD, refactoring, and clean design with a logic of continuous improvement.
• Implement a DevOps, CI/CD, and secure by design approach (authentication, access management, data protection).
• Work in pair programming and encourage constructive code reviews.

✊ My values:
• Kindness
• Autonomy
• Diversity

🗣️ Languages:
• French 🇫🇷
• English 🇬🇧
• Portuguese (Brazil) 🇧🇷

⚖️ Judicial Expert at the Court of Appeal of Bourges
Member of the National Company of Judicial Experts in IT and Associated Technologies (CNEJITA)
🏫 DU Criminal Digital Investigation (in progress)
  • French

    Native or bilingual

  • English

    Fluent

  • Portuguese

    Conversational

Remote only
Primarily works remotely

Experience

  • Coop Crafters
    Developer
    SOFTWARE PUBLISHING
    July 2020 - Today (5 years and 11 months)
    Paris, France
    ▷ Web, mobile, and desktop development (mainly Ruby/Python/Typescript/Javascript).
    ▷ TDD, BDD, event storming, DDD, MDD, clean architecture, simple design.
    ▷ Support on Software Craftsmanship and Agility practices.
    Ruby Python Typescript Backend Development TDD
  • Doctolib GmbH
    Ruby On Rails / Javascript Developer
    HEALTH AND WELLNESS
    October 2020 - November 2021 (1 year and 1 month)
    • Gathering requirements and developing the Doctolib Reader logistics management system (Bluetooth CPS / Vitale Card readers): configuration, storage, ordering, shipping, refurbishment, etc.
    • Developing features on the Doctolib Doctor application (mobile web)
    • Ensuring compliance with the Sesam-Vitale specifications for the generalization of the ApCV (digitalization of Vitale card)
    Ruby on Rails Ruby JavaScript Electron.js React.js
  • Edulib
    Lead Developer
    EDUCATION AND E-LEARNING
    February 2020 - May 2020 (3 months)
    Paris, France
    EdTech: technical and commercial distribution of digital educational works (digital textbooks, interactive exercises, multimedia content).

    Significant technical debt – Ambitious roadmap – Young and new team on the project.

    • Close collaboration with the Product Owner for refining and writing User Stories.
    • Mentoring the technical team's skill development: daily standups, architecture discussions, pair programming.
    • Implementing best practices: TDD, mob-design, refactoring.
    Ruby on Rails Ruby PostgreSQL Heroku MongoDB

Recommendations

Jean-Philippe M.JM
FU
Jean-Philippe M. and 1 other person have recommended Frédéric

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Education

  • Computer Science and Networks Engineer
    INSA Toulouse
    2014
    Spécialité majeure : Ingénierie logicielle Spécialité mineure : Sécurité informatique

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