Simon Slack

Fullstack developer · JavaScript / TypeScript & Python

I build products and keep them running.

B.Sc. Computer Science @ Epitech Paris. QA Analyst at Anybuddy. Five years as a volunteer firefighter taught me rigor under pressure. I design and run my own products in production, e-commerce, ranking systems, internal tools.

Open to6-month internship, spring 2027 (France) · summer 2027 (USA)

  • 500Kusers on the platform I QA
  • 2products in production
  • 3rdnationally, Hack n Juice cybersecurity hackathon

Work

8 projects
Search or enter website name

Experience

2018 to present · most recent first
  1. 2026 · Present

    Co-founder & Growth / Tech Lead

    VibauraWork

    Co-founded the padel app that gives players a trusted ranking and a social network around their matches: a skill level computed from validated results, performance history and challenges. I own growth and positioning, and on the product side the stack decisions and the architecture of the ranking and result-validation features. Helped structure the company itself, a four-founder SAS.

    • Flutter
    • NestJS
    • Next.js
    • PostgreSQL
  2. Jun · Sep 2026

    Quality Engineering Intern

    AnybuddyWork

    Sports facility booking platform, ~500K users. Functional and exploratory testing across a Flutter iOS/Android app, the REST API and the back office; owner of the TestFlight and APK test builds. Over 94 tickets filed and 60+ bugs found, each tracked through to resolution; daily work with the product team, and two front features shipped in the app: the public match map (250,000+ impressions on PostHog, +40% bookings) and Tournaments (series creation, tournaments with cash prizes).

    • QA
    • REST API
    • Flutter
    • Agile
  3. May · Sep 2026

    Full-Stack Developer, Freelance

    Junior Conseil Taker · EpitechWork

    Fullstack web solutions designed and delivered for political clients through Epitech's Junior-Entreprise. Requirements gathering, design, development, delivery, with direct client contact and business needs translated into technical decisions. Self-hosted GitLab, full technical documentation.

    • Next.js
    • NestJS
    • PostgreSQL
    • GitLab CI
  4. 2025 · Present

    Co-founder & Lead Developer

    3VE'NMADEWork

    Underground streetwear brand built in Paris with my closest friends. I own the full-stack e-commerce platform: a drop-based shopping experience with a custom admin panel, real-time stock management and automated transactional emails. See the project above.

    • Next.js 14
    • TypeScript
    • Prisma
    • Stripe
  5. 2025 · 2028

    B.Sc. Computer Science

    Epitech ParisEducation

    Project-based curriculum: systems programming (C, Python), software architecture, networks and security, team projects and agile methods.

    • C
    • Python
    • Go
    • Unix
    • Algorithms
  6. Dec 2022 · Feb 2023

    IT Technician

    INOVASYSTEM · NiceWork

    IT equipment management, maintenance and setup across luxury hotels. Systems that had to work the first time, in front of guests, with no second window to fix them.

    • Systems
    • Networks
    • On-site support
  7. Sep · Dec 2022

    IT Technician

    ALTEC · NiceWork

    Installation of security and surveillance systems on client sites: cabling, configuration and commissioning.

    • Security systems
    • Networks
    • Field work
  8. 2019 · 2021

    BTS CIRA, Industrial Control & Automation

    Lycées Portes de l'Oisans · VizilleEducation

    Industrial PLCs, field networks, embedded electronics and automatic control. First hands-on exposure to programming and to systems that must not fail.

    • Automation
    • Embedded
    • Industrial networks
  9. 2018 · 2023

    Volunteer Firefighter

    SDIS38 · IsèreWork

    Five years on call with the Isère fire and rescue service. Incident handling under pressure, in a team, where the habit of rigor and autonomy comes from.

    • Incident response
    • Teamwork
    • Field discipline

Let's talk. Internship, spring 2027.

Looking for a 6-month internship, spring 2027 (France), and summer 2027 (USA). Based in Paris, France. Email is the fastest way to reach me.