Upstart · 2 days ago
Senior Mobile Software Engineer
United States
Full-time
Remote
Senior Level
$164K/yr - $226K/yr
6+ years expUpstart is the leading AI lending marketplace partnering with banks and credit unions to expand access to affordable credit. As a Senior Mobile Software Engineer, you will design and build scalable mobile applications using React Native, collaborating with product managers and engineers to deliver user-centric features 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
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
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
2026-01-03
The Motley Fool
2026-01-01
2025-12-17
Company data provided by crunchbase