Senior Software Engineer (Mobile)

San Francisco HQ April 21, 2026 Full Time

Responsibilities

We are looking for stellar mobile engineers based in San Francisco who will continue to help our apps scale. In this role, you’ll be:

  • Modularizing the Triumph SDK and UI frameworks to enable the rapid publishing of multiple apps build on the Triumph Platform

  • Rapidly building and iterating on new features and enhancements to increase engagement and LTV of existing user cohorts.

  • Build out features to allow us to scale the app to geographies outside the United States

  • Investigate and implementing cross-platform frameworks that will allow us to launch apps on Android

Qualifications

  • 3+ years of engineering experience building consumer apps on iOS in Swift

  • Proficiency in Swift and ability to onboard and mentor other engineers

  • Willingness to work across both mobile platforms with React Native

  • Strong product sense

  • Bonus: experience building slick UI animations

  • Bonus: proficiency with mobile build systems, monorepos, and code generation tools

Why Triumph?

  • Opportunity to build a scaling consumer mobile app that touches gaming, finance, and social (we build all of our games in house).

  • Small, high-impact engineering team that is scaling up. The core engineering team that built the platform is 4 people! Now that we’re scaling rapidly, we’re building a team that can expand the scope of our products and reach. This means you’ll have opportunity to take leadership and grow as an engineer with the company.

  • Passionate team that is proud of our work

  • 16x year over year growth

  • Competitive salary and benefits ($400/mo lunch credit, healthcare, vision, dental, 401k, etc.)

Our team gathers 5 days a week at Triumph’s headquarters at Levi’s Plaza in San Francisco.

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