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



As an expert for assembly processes in powertrain assembly (high voltage battery, motor & inverter), you’ll be at the forefront of the creation of next-generation electric motorcycles, batteries and associated products.
You’ll be responsible for developing dedicated assembly processes for the powertrain — such as leak testing & coolant filling, end of line testing, potting, sealing, foaming, wire forming & stripping, laser welding of battery & stator, and magnetizing — taking them from prototype through to series production. Process qualification, validation and testing, including commissioning of the series production equipment, will be part of your responsibility. You’ll need to have hands-on experience developing complex assembly processes and the ability to thrive in a fast-paced, evolving, and highly innovative environment.
What You’ll Do
Be the technical lead in developing, selecting, testing and qualifying new assembly processes for battery/mot

📌 PROCESS ENGINEER (Sant Boi de Llobregat)
🏢 Stark Future
📍 Sant Boi de Llobregat