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 Prototype Engineer – Powertrain Assembly to join our growing “Process Development” team, reporting to the Head of Process Development Production.



As a prototype engineer you will be responsible to define and plan assemblies of batteries, motors and inverters in time. You’ll be at the forefront of the creation of next-generation electric motorcycles, batteries and associated products.
You’ll be responsible for defining the build-up specification (including sensors), planning the build-up with engineering and workshop, and clarifying upcoming questions and taking decisions. As a prototype engineer you make sure that the mechanical design intent gets reality in the build-up, and that feedback and learnings from the build-ups are implemented in future designs. You’ll need to have hands-on experience, the will to move things fast, and the ability to thrive in a fast-paced, evolving, and highly innovative environment.
What You’ll Do
- Be the technical lead in defining and planning all powertrain prototype assemblies, making sure the build-up takes place in an efficient way
- Provide and define measurement pla

📌 PROTOTYPE ENGINEER- POWERTRAIN ASSEMBLY (España)
🏢 Stark Future
📍 España