Principal Mobile Engineer, Android

How you’ll make an impact

• Lead Android migration and development efforts across Cash Line and Unsecured Installment product surfaces, making thoughtful technical decisions that improve product quality, scalability, and speed of execution.
• Help deliver against Upstart’s approved Android launch plan, translating aggressive business goals into pragmatic technical milestones and execution plans.
• Set technical direction for mobile architecture, helping the teams evolve a strong foundation across native Android and React Native surfaces while keeping Android expertise at the core.
• Partner closely with product, design, and engineering stakeholders across both teams to translate roadmap priorities into durable mobile solutions.
• Raise the bar for engineering excellence through technical leadership, design reviews, mentorship, and pragmatic execution in ambiguous, high-visibility problem spaces.
• After launch, continue as a mobile specialist who can support both the Cash Line and Unsecured Installment teams, bringing deep Android expertise alongside enough React Native fluency to contribute across shared mobile surfaces.

Minimum Qualifications

• 8+ years of software engineering experience, including substantial experience building and shipping native Android applications in Kotlin and/or Java.
• Proven track record leading large, cross-team mobile initiatives, platform migrations, or new mobile product launches in production environments.
• Experience shipping consumer-facing mobile products at scale with strong attention to performance, reliability, and user experience.
• Native Android depth in Kotlin and/or Java, plus working experience with React Native and TypeScript to operate effectively across a mixed mobile stack.
• Demonstrated technical leadership as a senior individual contributor, including architecture ownership, mentorship, and influence across teams.

Preferred Qualifications

• Experience serving as the mobile or frontend technical lead for a product team or business-critical product surface.
• Breadth across mobile platforms, including familiarity with iOS development, React Native, or cross-platform mobile architecture.
• Background in fintech, lending, or other consumer financial products with complex user journeys and high quality expectations.
• Experience helping teams build conviction around new mobile investments through technical proposals, feasibility work, or proof-of-concept execution.
• Comfort leading through ambiguity in fast-scaling product environments where scope, ownership, and roadmap priorities evolve over time.
• Experience building alignment across engineering, product, design, and leadership partners in high-visibility, cross-functional organizations.