Principal Mobile Software Engineer

August 8

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Upstart

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Upstart is a leading AI lending marketplace partnering with banks and credit unions to expand access to affordable credit. As we transitioned to being a public company, we’re now poised to leverage our domain expertise and revolutionize every aspect of lending and credit risk evaluation. We’ve recently expanded our offerings to include automobile refinancing and we plan to take on more verticals as the business grows.

1001 - 5000 employees

📋 Description

• As a Principal Mobile Software Engineer at Upstart, you’ll sit at the intersection of mobile platform and product development. • You’ll lead efforts to scale and refine our React Native architecture while partnering closely with product, design, and backend teams to ship impactful, high-quality features. • You’ll define technical direction, improve developer experience, and mentor other engineers — all while helping Upstart grow into a truly mobile-first company. • You’ll play a key role in shaping how mobile is built and scaled at Upstart — helping define mobile as a core product pillar and driving impact across teams and surfaces.

🎯 Requirements

• Have 8+ years of professional software development experience, including meaningful contributions to production mobile apps. • Have built and maintained features in both React Native and at least one native platform (e.g., Swift/Objective-C for iOS or Kotlin/Java for Android). • Understand the nuances of mobile performance, memory management, and platform-specific challenges. • Have led architecture planning and helped engineering teams make informed tradeoffs. • Communicate early and often with cross-functional partners in product, design, backend, and QA to ensure alignment and shared understanding. • Take ownership of your work from design through delivery, and value long-term thinking over quick fixes. • Appreciate the strength of diverse perspectives and thrive on being part of an inclusive, collaborative team. • Embrace a growth mindset, value mentorship, and enjoy helping others grow.

🏖️ Benefits

• Competitive Compensation (base + bonus & equity) • Comprehensive medical, dental, and vision coverage with Health Savings Account contributions from Upstart • 401(k) with 100% company match up to $4,500 and immediate vesting and after-tax savings • Employee Stock Purchase Plan (ESPP) • Life and disability insurance • Generous holiday, vacation, sick and safety leave • Supportive parental, family care, and military leave programs • Annual wellness, technology & ergonomic reimbursement programs • Social activities including team events and onsites, all-company updates, employee resource groups (ERGs), and other interest groups such as book clubs, fitness, investing, and volunteering • Catered lunches + snacks & drinks when working in offices