Full Stack Developer - Sportech Co-Founder

About the role

📍 Europe, UK & US | 🎯Future equity for founders & Entrepreneurs | ❌ Unpaid initial phase (2025)

Join TwinFIT – Transforming Fitness, Elevating Health

🎯 The Mission : TwinFIT’s objective is to create and deliver a comprehensive product :

✔️ to motivate people to engage in regular physical training

✔️ to challenge their athletic performance

✔️ to monitor progress during training sessions.

The end product will combine precise workout tracking, meaningful progress analysis and engaging tools to make physical training effective, safe and enjoyable !

Your Mission - Build & Run front & back-end solutions

💡The Challenge : to provide a personalized and interactive experience, with actionable insights and rewarding materials, in an immersive approach to emphasize consistency and inspire everyone’s fitness journey.

Integrated in the TwinFIT product development strategy for hardware and software, your role will be primarily focused on developing front/back-end solutions through a progressive approach, validating three technical prototypes to ensure viability and maturity before launching a full-scale product.

Your Role and Responsibilities as Tech Lead

• Tech & Product Dev – Define and execute the startup’s technological vision.
• MVP Delivery – Build the architecture, specifications and prototype of the Front/back-end solutions.
• Security by Design – Integrate best practices and optimize scalability and robustness from the early stages.
• Leadership & Growth – Contribute to technological and strategic decisions, whilst leading a top-tier tech team.
• Collaboration – Work hand-in-hand with the CEO/CPO and collaborate on business initiatives.

👤Who You Are: Hands-on Tech Founder

We are looking for a developer passionate about building a product from scratch who will define the tech stack for the project.

✅ You have experience in mobile, web, cloud development, but more importantly, you know how to choose and use the right tools, estimate costs and timing.

✅ You can allocate time and are willing to invest a few hours per week in the project, with no initial salary.

✅ You will bring a clear vision of technologies, frameworks, and infrastructure to adopt.

✅ You are autonomous and capable of setting up a scalable and efficient architecture.

✅ You have an entrepreneurial mindset, you are interested in anything sports related and are eager to build an innovative product from scratch.

💡 What We Offer

✔️ Co-Founder Opportunity : Possible equity split within startup structure (end of 2025).

✔️ Full Autonomy : Influence on the technical decisions and product strategy.

✔️ Flexible Work Environment : Work at your own pace, in a remote-friendly setup.

✔️ Growth Opportunity : Be part of a high-potential startup from day one.

The co-founder agreement is open for discussion should you be interested in investing further into the project.

Whether you’re into all things sports or not, we want to hear from you! Come share your passion and help us build something great! 🚀⚽🏓🏔️

📩 Join the adventure !

Join us and lead the technological vision of a promising sportech project. Be part of an exciting entrepreneurial journey with growth potential ! Apply through the TwinFIT page, send us an email at connect@twinfit.fr, or reach out to Remi (the CEO).🚀