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Joachim MiensJM

Joachim Miens

Full-Stack Engineer

€645/day
Nevers, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Joachim

Do you need to create, modernize, or maintain a web application, a business tool, or a custom solution? I can help you design and develop reliable solutions tailored to your real needs and built to last.

I am a software/full-stack developer with experience in creating web applications, modern WebApps, internal tools, user interfaces, APIs, automation, and third-party service integration. My goal is simple: to transform your ideas or business challenges into concrete, usable, and maintainable solutions.

I primarily work on projects involving React, JavaScript, TypeScript, C#/.NET, PHP/Laravel, WordPress, as well as topics combining web, software, electronics, streaming, or generative AI.

What sets me apart: an approach that is both technical and product-oriented. As a co-founder of a development company, I am accustomed to understanding client needs, proposing pragmatic solutions, prioritizing useful features, and delivering projects end-to-end.

I can help you with:
- Full-stack web application development
- Creation or redesign of professional websites
- Development of internal business tools
- APIs, dashboards, back-offices, and administration interfaces
- Process automation
- Integration of generative AI or external services
- Maintenance, bug fixing, and improvement of existing code
- Rapid prototyping / MVP
- Technical support and consulting

I favor clear, efficient, and results-oriented collaborations, with regular and transparent communication throughout the project.
  • French

    Native or bilingual

  • English

    Fluent

  • Japanese

    Basic

  • Spanish

    Basic

Remote only
Primarily works remotely

Experience

  • Startingames SAS
    Founder & Development Engineer
    August 2022 - Today (3 years and 11 months)
    Nevers, France
    Creation of a company with Nicolas Chutin.
    • • Creation of modern applications and WebApps
    • • Electronic, software, and WebApp design for embedded solutions
    • • Design of Web solutions
    React.js C# Rust C++ Node.js
  • Twitch
    Streamer / V-tuber
    January 2022 - Today (4 years and 6 months)
    21000 Dijon, France
    • • Creation and management of a Twitch channel, with production and live content broadcasting.
    • • Organization and execution of live events for clients, from technical preparation to broadcast. Hosting of live streams and shows for various clients and partners.
    • • Implementation of multi-camera productions with audiovisual control and simultaneous broadcasting on multiple platforms (multistream).
    • • Management of broadcast technical aspects: streaming tool configuration, audio/video quality monitoring, and speaker coordination.
  • MadMix Digital
    Fullstack Web Developer
    April 2021 - May 2022 (1 year and 1 month)
    Hôtel de Ville, Paris, France
    • • Design, development, and deployment of websites, web applications (WebApps), and custom digital solutions for a diverse client portfolio.
    • • End-to-end project execution (needs analysis, architecture, development, testing, production, and maintenance) for clients such as Disney and Rians.
    • • Development of interactive applications, serious games, and augmented reality filters for Snapchat, meeting marketing, communication, and user engagement objectives.
    • • Collaboration with creative, UX/UI teams, and clients to ensure technical quality and adherence to delivery deadlines.

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Education

  • Professional Bachelor's Degree in Computer Science Professions: Software Design, Development, and Testing, Computer Science
    Université de Franche-Comté
    2019
    Licence Professionelle Métiers de l'informatique : conception, développement et test de logiciels, Informatique
  • University Diploma in Technology (DUT), Computer Science
    Université de Bourgogne
    2018
    DUT, Informatique

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