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Alexis BonneauAB

Alexis Bonneau

Software Architect .NET

€600/day
Strasbourg, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Alexis

Software architect and full-stack .NET developer, I support companies that need to design, refactor, or make demanding business applications reliable.

My core business: .NET application architecture (C#, .NET 8/9/10), Blazor front-end (MudBlazor), and robust back-end design (Entity Framework, SQL, microservices). I structure projects around Clean Architecture and Domain Driven Design to deliver maintainable, tested, and durable code.

Specifically, I can help with: defining technical architecture, implementing best practices (code review, testing, CI), developing complex features, or taking over a difficult-to-evolve existing system. I am used to managing projects end-to-end, from technology selection to production deployment.

I work equally well independently or as part of a team, on-site or remotely.

Currently employed, available subject to approximately 6 weeks' notice. Possible start from the end of July 2026.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Strasbourg (up to 10km)

Experience

  • Custy
    Software Architect & Full-Stack Developer
    November 2023 - Today (2 years and 7 months)
    Strasbourg, France
    • Led architecture and technology choices; defined Clean Architecture (DDD, SOLID) on a multi-tenant platform with about ten microservices.
    • Designed a metadata-driven dynamic fields framework: administrators add fields anywhere (forms, tables, dashboards) with validation and conditional display, without redeployment.
    • Designed a Fluent form generator powering over 230 forms; reduced development time by approximately 80% (half a day of Razor/CSS reduced to 30 minutes of configuration), with automatic responsiveness.
    • Designed a Roslyn source code generator producing the front-end API client at compile time, eliminating all hand-written HTTP code.
    • Designed an Electronic Document Management (EDM) microservice for the Tailor application's document storage.
    • Facilitated code reviews within a team of 13 people (high turnover, contractors), ensuring code consistency and onboarding of new members.
    Microservices Domain Driven Design C#
  • Alten / Euro Information Développement
    Software Engineer
    March 2020 - October 2023 (3 years and 7 months)
    Strasbourg, France
    • Full-stack development for NRJ Mobile, focused on logistics and MVNE / MVNO platforms.
    • Large-scale batch processing automation executing scripts on hundreds of thousands of SIM cards.

    • C#/.NET, Oracle SQL, SOAP/REST web services; TDD, DDD, CI, Agile.
    .NET Domain Driven Design C#

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Education

  • Master of Science in Engineering
    Keio University
    2019
    Master of Science in Engineering de l'Université Keio (Tokyo, Japon), l'une des plus anciennes et prestigieuses universités japonaises, obtenu dans le cadre du double diplôme avec l'École Centrale de Nantes. Poursuite de la spécialisation Informatique et Réalité Virtuelle dans un environnement académique international.
  • Engineering Diploma
    Nantes Central School
    2017
    Diplôme d'ingénieur de l'École Centrale de Nantes, grande école d'ingénieurs généraliste membre du Groupe des Écoles Centrales. Cursus suivi en double diplôme international avec l'Université Keio (Tokyo, Japon). Spécialisation Informatique et Réalité Virtuelle : conception logicielle, algorithmique, programmation et applications interactives 3D temps réel.

Skill set

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