Principal Mobile Engineer, Android

The Team

Upstart's Unsecured Installment team builds and scales the mobile experiences behind our small dollar loans and personal loans products. This role will strengthen the team's mobile foundation and help launch a new Android app on an aggressive timeline.

• Serve as primary mobile engineer and React Native specialist, raising quality, scalability, and velocity of the mobile codebase.
• Lead Android development and deliver against the approved Android launch plan, translating business goals into technical milestones.
• Set technical direction for mobile architecture across React Native and native Android.
• Partner closely with product, design, and engineering stakeholders 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 mobile specialist, supporting the full unsecured installments mobile stack.

• 8+ years of software engineering experience, including substantial experience building and shipping mobile applications with React Native and Type Script.
• Strong native Android depth in Kotlin and/or Java, with experience shipping or launching native Android applications in production.
• Proven track record leading 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.
• Demonstrated technical leadership as a senior individual contributor, including architecture ownership, mentorship, and influence across teams.

• Experience serving as the mobile or frontend technical lead for a product team or business‑critical product surface.
• Familiarity with iOS development or cross‑platform mobile architecture.
• Background in fintech, lending, or other consumer financial products with complex user journeys.
• Experience building conviction around new mobile investments through technical proposals, feasibility work, or proof‑of‑concept execution.
• Comfort leading through ambiguity in fast‑scaling product environments.
• Experience building alignment across engineering, product, design, and leadership partners in high‑visibility, cross‑functional organizations.

Remote, Burlingame, Columbus, Austin, New York

The team operates across all U.S. time zones.

Regular on‑site collaboration sessions: 3 days per quarter at an Upstart office, with travel expenses covered.

• Competitive compensation, including base pay, bonus opportunities, and annual equity grants that vest quarterly.
• Retirement benefits with company match up to $15,000 annually.
• Employee Stock Purchase Plan with discounted stock purchase options (US only).
• Comprehensive health coverage for you and your family, including medical, dental, vision, and wellness resources.
• Health Savings Account contributions from Upstart for eligible plans (US only).
• Income protection benefits, including life insurance and disability coverage.
• Paid time off, sick leave, and company holidays in line with local requirements.
• Paid family and parental leave.
• Family‑centered benefits to support fertility, parenthood, and caregiving needs.
• Employee Assistance Program offering mental health support and life‑centered resources.
• Financial wellness resources, including access to financial planning tools and a concierge service (US only).
• Annual wellness allowance and annual productivity allowance.
• Connection and community through team events, all‑company updates, and employee resource groups.
• On‑site perks, such as catered lunches and stocked micro‑kitchens at offices in the Bay Area, Austin, Columbus, and New York City.

Upstart is a proud Equal Opportunity Employer.

To request reasonable accommodation in completing an application or participating in the selection process, please email candida