About StarkStark 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 OverviewStark 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 DoOwn the architecture and technical direction of the Android application, making pragmatic decisions that balance quality, performance, and speedTake end‑to‑end ownership of mobile features: from definition and design through development, release, and monitoringDiagnose and resolve complex performance, memory, and stability issues, with a deep understanding of multithreading, concurrency, and data cachingCollaborate with product managers, designers, and business stakeholders to turn requirements into polished, user‑centric experiencesFoster a culture of continuous improvement — challenge what could be better, share mistakes openly, and lead by exampleDutiesBe a core member of a high‑performance, multidisciplinary team, contributing expertise openly in technical and product discussionsSet and uphold standards for clean, stable,



and extensible code across the mobile teamDrive best practices in architecture, testing, CI/CD, and toolingLeverage AI tools as a standard part of your development workflow to ship faster and with higher qualityPartner with other engineering teams to co‑design features across the stackStay current with mobile industry trends and proactively propose product improvementsUse data to drive decisions — A/B testing, feature flags, and experimentation frameworks to measure and validate impactBe a role model to team membersKeep your backlog up to date and communicate frequently with engineers, product managers, and the creative teamWhat you will bring to Stark5+ years of experience leading Android application development, with a track record of shipping production apps at scaleDeep proficiency in Kotlin, Jetpack Compose, and modern Android development practicesStrong command of Android architecture patterns (MVVM, MVI, Clean Architecture) and the ability to evolve them pragmaticallySolid understanding of concurrency, coroutines, flows, and performance optimisationExperience diagnosing and resolving complex performance, memory, and stability issuesBroad knowledge of the Android SDK, including best practices, Jetpack libraries, and key third‑party APIsStrong testing mindset — unit, integration,



and UI testing as part of normal developmentData‑driven approach to product development: A/B testing, feature flags, and experimentation frameworksAbility to manage and prioritise multiple workstreams simultaneouslyProficient in English, written and spokenNice to haveExperience with Kotlin MultiplatformExperience with BluetoothExperience in improving developer experience (CI/CD, Git strategies…)BenefitsThe chance to work on a product people are genuinely passionate aboutA fast‑growing company with real momentumA creative, international team based in BarcelonaCompetitive salary and benefits packageDirect access to riders, race teams, and the product — this is not a remote‑from‑the‑product roleSubsidised lunch in our in‑house restaurantFree access to our in‑house gym (including weekends!)30 days of paid vacationEqual Employment OpportunityAt 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 [email protected] .#J-18808-Ljbffr

📌 Founding Mobile Engineer - React Native + Expo (Remote) (Madrid)
🏢 Alan
📍 Madrid