Upstart · 2 hours ago
Senior Mobile Software Engineer
United States
Full-time
Remote
Senior Level
$164K/yr - $226K/yr
6+ years expUpstart is an AI lending marketplace committed to reducing borrowing costs for Americans. The Senior Mobile Software Engineer will design and build scalable mobile applications using React Native, collaborating with cross-functional teams to deliver high-quality user experiences and improve the mobile platform.
Artificial Intelligence (AI)AutomotiveConsumer LendingCreditFinancial ServicesFinTechLendingMachine LearningPersonal Finance
Responsibilities
Build and maintain user-facing features in our React Native mobile apps across iOS (and Android, as we expand)
Design and implement mobile components and subsystems that are performant, maintainable, and scalable across platforms
Collaborate with product and design teams to scope, implement, and launch features that align with user and business needs
Contribute to platform improvements, including tooling, testing strategies, CI/CD, and performance monitoring
Work with backend engineers to define mobile-specific APIs and improve client-server integration patterns
Identify and resolve performance or reliability issues in the mobile experience
Participate in code reviews, architecture discussions, and technical planning to raise engineering quality across the team
Support a strong mobile engineering culture through mentorship, collaboration, and a focus on continuous improvement
Qualification
Required
Have 6+ years of professional software development experience, including meaningful contributions to production mobile apps
Have experience building in React Native, and familiarity with at least one native platform (e.g., Swift/Objective-C for iOS or Kotlin/Java for Android)
Understand mobile performance, memory management, and platform-specific constraints
Communicate effectively with cross-functional partners in product, design, and backend engineering
Take ownership of your work and are comfortable delivering complex features from planning through release
Balance speed and quality, and advocate for maintainable, scalable engineering solutions
Contribute to team culture and engineering practices through feedback, mentoring, and collaboration
Embrace a growth mindset and enjoy learning from others while helping teammates grow
Preferred
Have helped launch or scale a React Native app on the Android platform
Are comfortable working with TypeScript or custom native modules
Have experience with mobile analytics, push notifications, deep linking, or A/B testing frameworks
Have worked in a fast-paced product company where mobile was a primary user touchpoint
Have contributed to internal tools, processes, or systems that improved mobile developer velocity or code quality
Benefits
Competitive compensation, including base pay, bonus opportunities, and annual equity grants that vest quarterly
Generous 401(k) plan with Upstart matching $2 for every $1 contributed, up to $15,000 per year
Employee Stock Purchase Plan (ESPP) with discounted stock purchase options for eligible employees
Affordable medical, dental, and vision coverage, with multiple plan options - Upstart covers 90% to 100% of the cost depending on the plans you choose
Health Savings Account contributions from Upstart for eligible plans
Income protection benefits, including company-paid Basic Life, AD&D, and Short- and Long-Term Disability coverage, with options to purchase supplemental coverage
Paid time off, sick and safe time, and company holidays
Paid family and parental leave to support caregiving and major life moments
Family-centered benefits through Carrot and Cleo, supporting fertility, parenthood, and caregiving
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
Annual wellness allowance to support your physical and emotional well-being and personal development, based on what matters most to you
Annual productivity allowance to invest in relevant tools and resources you need to do your best work, no matter where you work from
Connection and community through team events and onsites, all-company updates, and employee resource groups (ERGs)
Onsite perks, including catered lunches and fully stocked micro-kitchens when working from one of our four offices, located in the Bay Area, Austin, Columbus, and New York City (opening Summer 2026!)
Company
Upstart
Upstart (NASDAQ: UPST) is a leading AI lending marketplace partnering with banks and credit unions to expand access to affordable credit.
1001-5000 employees
H1B Sponsorship
Upstart has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (68)
2024 (67)
2023 (85)
2022 (85)
2021 (42)
2020 (15)
Funding
Current Stage
Public CompanyTotal Funding
$3.36BKey Investors
CastlelakeProgressiveRakuten
2025-11-06Post Ipo Debt· $1.5B
2025-09-05Post Ipo Debt· $320M
2025-08-12Post Ipo Debt· $600M
Leadership Team
Dave Girouard
Founder & CEO
Paul Gu
Co-Founder
Recent News
The Motley Fool
2026-01-23
Business Wire
2026-01-22
The Motley Fool
2026-01-03
Company data provided by crunchbase