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Senior Software Engineer (Fullstack)

Triumph

Salary not specified
Dec 3, 2025
San Francisco, CA, US
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Triumph is looking to expand its mobile gaming platform to the web, aiming to drive revenue and company growth by bringing its popular apps, like Rips, to a web audience. This involves establishing a new web platform, setting standards for future development, and creating new opportunities for business growth.

Requirements

  • deep expertise in modern React, TypeScript, and Javascript.
  • experience building in a similar domain — real-time features, payments, authentication, or consumer gaming apps.
  • Experience building delightful user experiences with motion, animations, and high-quality interaction design.
  • Strong frontend fundamentals, an eye for design, and strong product sense.
  • You can take a Figma design and build polished, pixel-perfect UI.

Responsibilities

  • Establish our web platform, setting the foundation and standards for how we build future web and Android apps.
  • Utilize existing backend systems and infrastructure to create Rips for web in 3-6 months.
  • Define our team’s best practices and standards for React and React Native.
  • Own all internal tools and our internal dashboard, making improvements that help the team be efficient and better use data to drive decision-making.
  • Partner with backend engineers to design APIs and data models, contributing to API designs and app performance.
  • Elevate UX with thoughtful motion, micro-interactions, and responsive design that feels native.

Other

  • 5+ years of professional web experience
  • Proven track record for quickly shipping 0→1 consumer web products or major greenfield initiatives.
  • Tenacity, pragmatism, and scrappiness — you value high degrees of agency and know how to prioritize the most impactful work based on data and user feedback.
  • Our team gathers 5 days a week at Triumph’s headquarters at Levi’s Plazain San Francisco.