Note: The job is a remote job and is open to candidates in USA. Upstart is an AI lending marketplace that uses advanced technology to expand access to affordable credit. The Principal Mobile Engineer will serve as the senior technical owner for Cash Line mobile work, leading React Native development and an Android app launch while shaping long-term mobile architecture, quality, and execution. The role also includes cross-functional collaboration, technical leadership, design reviews, mentorship, and cross-team influence.
Responsibilities
- Serve as the primary mobile engineer and React Native specialist for the Cash Line team, raising the quality, scalability, and velocity of the team’s mobile codebase
- Lead Android development for the team and help deliver against Upstart’s approved Android launch plan this year, translating ambitious business goals into pragmatic technical milestones and execution plans
- Set technical direction for the team’s mobile architecture, evolving a strong foundation across React Native and native Android surfaces
- 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 the team’s mobile specialist, bringing broad React Native fluency alongside deep Android expertise to support the full Cash Line mobile stack
Skills
- 8+ years of software engineering experience, including substantial experience building and shipping mobile applications with React Native and TypeScript
- 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
- This role is available in the following locations: Remote, Burlingame, Columbus, Austin, New York
- This team operates across all U.S. time zones
- This team has regular on-site collaboration sessions. These occur 3 days per quarter at an Upstart office. If you need to travel to make these meetups, Upstart will cover all travel related expenses
- 8+ years of software engineering experience, including substantial experience building and shipping mobile applications with React Native and TypeScript
- 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
Benefits
- Bonus opportunities and annual equity grants that vest quarterly
- 401(k) or Group Retirement Savings Plan with a company match of $2 for every $1 contributed, up to $15,000 annually (USD in the US, CAD in Canada)
- Employee Stock Purchase Plan (ESPP) with discounted stock purchase options for eligible employees (US only)
- Comprehensive health coverage, including medical, dental, vision, and wellness resources for US and supplemental health coverage for Canada
- 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 to support caregiving and major life moments (duration varies by country)
- Family-centered benefits to support fertility, parenthood, and caregiving needs
- Employee Assistance Program (EAP) offering mental health support and life-centered resources
- Financial wellness resources, including access to financial planning tools and a financial concierge service (US Only)
- Annual wellness allowance to support physical and emotional well-being and personal development
- Annual productivity allowance to invest in relevant tools and resources
- Connection and community through team events, all-company updates, and employee resource groups (ERGs)
- Onsite perks, including catered lunches and fully stocked micro-kitchens when working from one of our offices in the Bay Area, Austin, Columbus, and New York City (opening Summer 2026!)
- Digital-first flexibility to work primarily from home or collaborate in-person from one of the company's offices
- Upstart will cover all travel related expenses for regular on-site collaboration sessions when travel is required
Company Overview
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