Upstart

Software Engineer, Mobile

United States | Remote

Sponsorship not specified$142k-$197kDetected 4 days ago

TypeScriptJavaSwiftKotlinReactReact NativeiOSAndroidObjective-CCode ReviewCI/CDSparkA/B TestingCadenceCollaborationMentoring

About the role

Every day, we bring creativity, experimentation, and advanced AI to reshape access to credit, helping millions move forward financially with clarity and confidence.
But the numbers only hint at the impact.
Every idea, every voice, and every contribution moves us closer to a world where credit never stands between people and their financial progress.

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.
Support a strong mobile engineering culture through mentorship, collaboration, and a focus on continuous improvement.
As the leading AI lending marketplace, we partner with banks and credit unions to expand access to affordable credit through technology that's both radically intelligent and deeply human.
And whether you choose to work primarily from home or collaborate in-person from one of our offices in Columbus, Austin, the Bay Area, or New York City (opening Summer 2026), you'll have the support to work in the way that works best for you.

Bachelor's degree in Computer Science, Engineering, or Mathematics, or a related field (or its equivalent) + 4 years of experience

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.
Time zone requirements The team operates on the East/West coast time zones.

Individual pay is also determined by job-related skills, experience, and relevant education or training.

At Upstart, your base pay is one part of your total compensation package.
The anticipated base salary for this position is expected to be within the below range.
United States | Remote - Anticipated Base Salary Range
$142,000 - $196,600 USD

In addition, Upstart provides employees with target bonuses, equity compensation, and generous benefits packages (including medical, dental, vision, and 401k).

Upstart's Borrower Experience (BX) team is responsible for building and evolving the borrower-facing servicing experience across web, mobile, and AI-powered channels.
The team focuses on reducing borrower friction, improving payment success, and enabling clear, self-serve paths for borrowers post-origination.
As the Senior Mobile Engineer at Upstart, you will help design and build high-quality mobile applications using React Native.
You'll collaborate closely with product managers, designers, and backend engineers to deliver features that delight users and align with company goals.
Our mobile codebase is React Native-first, and we're in the early stages of expanding across iOS and Android.
The work includes building user-facing features, improving performance, and partnering closely with backend and design teams.
We're a fast-moving team that values pragmatism, quality, and impact - and we're laying the foundation for a scalable and user-first mobile platform.
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.

This listing is sourced directly from Upstart's careers page and normalized into a canonical job model.