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. Our mission is to lead the way towards a sustainable motorcycle industry, by reducing plastic and CO2 pollution.
Role Overview Stark is developing the first vehicle smart display that runs on an Android phone, enabling customers to adjust several bike settings such as engine power. This is one of Stark's most ambitious projects and one crucial step towards being a game‐changer in the industry.
What You'll Do Own the architecture and technical direction of the Android application, making pragmatic decisions that balance quality, performance, and speed
Take end‐to‐end ownership of mobile features: from definition and design through development, release, and monitoring
Diagnose and resolve complex performance, memory, and stability issues,



with a deep understanding of multithreading, concurrency, and data caching
Collaborate with product managers, designers, and business stakeholders to turn requirements into polished, user‐centric experiences
Foster a culture of continuous improvement — challenge what could be better, share mistakes openly, and lead by example
Duties Be a core member of a high‐performance, multidisciplinary team, contributing expertise openly in technical and product discussions
Set and uphold standards for clean, stable, and extensible code across the mobile team
Drive best practices in architecture, testing, CI/CD, and tooling
Leverage AI tools as a standard part of your development workflow to ship faster and with higher quality
Partner with other engineering teams to co‐design features across the stack
Stay current with mobile industry trends and proactively propose product improvements
Use data to drive

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