Principal Mobile Engineer, Cash Line

Responsibilities

• Serve as the primary mobile engineer and React Native specialist for the Cash Line team.
• Lead Android development and execute the approved Android app launch plan.
• Set technical direction for mobile architecture across React Native and native Android surfaces.
• Partner with product, design, and engineering stakeholders to translate roadmap priorities into durable mobile solutions.
• Provide technical leadership through design reviews, mentorship, architecture ownership, and pragmatic execution.
• Continue as the team’s mobile specialist after launch, supporting the full Cash Line mobile stack.
• Lead cross-team mobile initiatives, platform migrations, or new mobile product launches in production environments.

Requirements

• 8+ years of software engineering experience, including substantial experience building and shipping mobile applications with React Native and TypeScript.
• Strong native Android expertise in Kotlin and/or Java, including experience shipping or launching native Android applications in production.
• A 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 attention to performance, reliability, and user experience.
• Demonstrated senior individual-contributor technical leadership, including architecture ownership, mentorship, and cross-team influence.

Benefits

• Competitive compensation with bonus opportunities and annual equity grants vesting quarterly.
• 401(k) or Group Retirement Savings Plan with a company match of $2 for every $1 contributed, up to $15,000 annually.
• Employee Stock Purchase Plan with discounted stock purchase options for eligible US employees.
• Medical, dental, vision, wellness resources, and supplemental health coverage in Canada.
• Health Savings Account contributions for eligible US plans.
• Life insurance, disability coverage, paid time off, sick leave, and company holidays.
• Paid family and parental leave plus fertility, parenthood, and caregiving benefits.
• Employee Assistance Program, financial wellness resources, annual wellness allowance, and annual productivity allowance.
• Digital-first work arrangement available remotely or from offices in Burlingame, Columbus, Austin, and New York; the team operates across all US time zones.
• Regular onsite collaboration sessions occur three days per quarter at an Upstart office, with travel expenses covered by Upstart.
• Connection through team events, company updates, and employee resource groups, plus catered lunches and stocked micro-kitchens at offices.
• The role is not currently available for hiring in Quebec.