Senior Software Engineer (iOS)

Senior Software Engineer (iOS) Triumph Software Engineering San Francisco, CA, USA USD 160k-240k / year + Equity Posted on Dec 7, 2025 Apply now Location San Francisco Employment Type Full time Location Type On-site Department Engineering Compensation $160K - $240K • Offers Equity About Triumph Triumph makes mobile gaming more thrilling by letting players wager and win cash. We have the top app in the Casino category on the App Store , and are hyper scaling with a team of under 30 people, achieving 50% month over month growth at a nine figure yearly revenue run rate. We're innovating in the space with genuinely new product offerings - for example, we're the only real money player to offer live mass multiplayer games, and are primed to scale worldwide. We just launched a new product in the collectible space , which, one month after launch, is already at an eight figure yearly revenue run rate. Triumph is backed by some of the top consumer VCs including Goodwater Capital, General Catalyst, and DraftKings Drive Fund. 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.

Compensation Range:

$160K - $240K Apply now See more open positions at Triumph