About Stark

Stark builds the world’s most powerful electric motorcycles. From the VARG MX to the road-legal VARG EX & SM, our bikes have won world championships and are engineered to outperform anything with a combustion engine.

We’re based in Sant Boi, Barcelona, growing fast (77% year-on-year), and building a team that will take us even further. If you want to work on a product that people are genuinely obsessed with, this is it.

Stark will become the general market leader in premium motorcycles. Building premium motorcycles requires innovation and we need your help to make us succeed

Our mission is to lead the way towards a sustainable motorcycle industry, by reducing plastic and CO2 pollution.

This will be achieved by building sustainable products that are superior to traditional technology in terms of Performance, Emotion and Design.
The Role

We are looking for a Senior Test Engineer with solid, hands-on experience in electrical/electronic checkout (EE-Check) and End-of-Line Testing (EOLT)



to own the final testing processes of our battery packs and electric motorcycles. You will be responsible for the definition, validation, and continuous improvement of all electrical test stations, from high-voltage safety tests to functional verification, ECU/BMS flashing, and diagnostics, ensuring that every product leaving the line is safe, functional, and fully traceable. Experience in battery or EV manufacturing is strongly preferred.
What You’ll Do
- Own the EE-Check and EOLT processes end to end: test strategy, test coverage definition, station specifications, and process documentation.
- Define and maintain electrical safety test procedures for HV battery packs: hipot/dielectric strength, insulation resistance, continuity, and HV interlock verification.
- Develop, implement, and optimize functional test sequences hands-on: BMS communication and diagnostics (CAN/UDS), sensor verification, charge/discharge validation, capacity and internal resistance checks — inclu

📌 Senior Test Engineer (Barcelona)
🏢 Stark Future
📍 Barcelona