PROTOTYPE ENGINEER- POWERTRAIN ASSEMBLY
Stark Future
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Homepage starkfuture.com
Engineering
·
Stark HQ
PROTOTYPE ENGINEER- POWERTRAIN ASSEMBLY
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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 global 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 plans (temperature & pressure sensors, etc.)
Plan build-up configuration and provide assembly instructions
Make sure the build-up works in an efficient way, including parts availability
Be the bridge between engineering and the prototype workshop, ensuring that learnings and feedback from the build-ups are implemented in future designs
Provide transparency about the build-up in terms of specification, time and open points
Set requirements for parts and processes that are gathered from the assembly
Make sure that the feedback from the prototype build-up is transferred into the series production line
Plan and assure that targets are achieved in time within the expected quality and costs
Plan and support validation and testing activities (internal/external) on battery-related assemblies
Ensure the workshop operations are safe, and materials are stocked and handled appropriately
Maintain control plans and build history for all battery systems, ensuring all the special characteristics (special and critical) are tracked and maintained over time
What you will bring to Stark Mechanical Engineering degree or similar
Deep experience in prototype build-ups of high voltage batteries, motors and inverters is a plus
Experience in related measurement equipment and assembly processes is a plus
Experience in building up first prototype batteries from scratch to series production
Experience in defining, planning and organizing assemblies
Comfortable in a fast-paced, ever-evolving, highly innovative environment (startups or high-tech companies)
High standards for yourself and everyone you work with, constantly looking for ways to innovate and improve product performance, quality and cost
Outstanding communication and interpersonal skills; basic English is a must and Spanish is beneficial
Why work with us? The chance to work on a product people are genuinely passionate about
A fast-growing company with real momentum
A creative, international team based in Barcelona
Competitive salary and benefits package
Direct access to riders, race teams, and the product — this is not a remote-from-the-product role
Subsidized lunch in our in house restaurant
Free access to our in-house gym (including weekends!)
30 days of paid vacation
At Stark, we don’t just accept difference—we celebrate it, we support it, and we thrive on it for the benefit of our employees, our products, and our community. We are committed to creating an inclusive environment where everyone, regardless of gender identity, sexual orientation, race, religion, age, neurodiversity, or disability, feels a true sense of belonging. We believe that diverse teams make better decisions and that a culture of equity is a prerequisite for innovation. Accessibility: If you require any reasonable adjustments during the application or interview process (such as assistive technology, extra time, or a specific format), please let us know at HR@starkfuture.com. We are here to support you. We encourage applications from underrepresented groups and are excited to see how your unique perspective can help us grow
Department
Engineering
Locations
Stark HQ
About Stark Future
Stark Future is on a mission to revolutionize the motorcycle industry by leading the shift toward sustainability, drastically reducing CO₂ and plastic pollution. Through cutting-edge design and unmatched performance, we delivers emotionally powerful, timelessly beautiful premium electric motorcycles that surpass traditional technology. Guided by a philosophy of innovation, quality, and user-focused simplicity, Stark combines bold ambition with a relentless pursuit of excellence. Our brand’s iconic gold logo symbolizes its full-circle approach to sustainability and its uncompromising drive to be number one.
Founded in
2020
Co-workers
400
Turnover
115M
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Engineering
·
Stark HQ
PROTOTYPE ENGINEER- POWERTRAIN ASSEMBLY
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