Senior Software Engineer, Rips (Mobile) at Triumph | CA, US | Rezi

Senior Software Engineer, Rips (Mobile) at Triumph

Senior Software Engineer, Rips (Mobile)

Triumph · CA, US

1 months ago

Senior Software Engineer, Rips (Mobile)

Triumph · CA, US

2 months ago
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About the Role

You'll be building Rips, our fast-growing mobile collectibles trading card app, which is built on React Native and Expo. This role requires a focus on correctness, latency, and polish, as users trade real value within the app. You will own significant product surface area from day one, including end-to-end features, interaction quality, and technical decisions.

Responsibilities

  • Build and own core product features in React Native and Expo, from design discussion through launch and iteration.
  • Prioritize user experience, including motion, gesture, transitions, perceived performance, and small details.
  • Address complex technical challenges by going below the abstraction layer, including native modules, platform APIs, rendering behavior, and build configuration.
  • Collaborate with backend engineers on API and data model design, providing constructive feedback.
  • Own the performance and reliability of shipped features, focusing on startup time, frame rate under load, and crash-free sessions.
  • Establish best practices and patterns to improve team efficiency and clarity for future feature development.

Requirements

  • Strong mobile engineering background.
  • Experience with React Native and Expo is ideal.
  • Native iOS or Android engineers looking to transition to React Native are also encouraged to apply.
  • Demonstrated ownership of consequential work, including design, shipping, and ongoing maintenance of features.
  • Deep understanding of mobile platforms and device-level operations.
  • Ability to debug issues beyond framework explanations.
  • Strong sense of craft and ability to implement desired interaction feel.
  • Proven track record of creating leverage through architecture and guardrails.
  • Ability to articulate and defend technical direction.
  • Fluency with AI as a tool for development, with the ability to explain all code shipped.
  • Willingness to work in person at the San Francisco headquarters.

Skills

  • React Native
  • Expo
  • Mobile Engineering
  • iOS
  • Android
  • Native Modules
  • Platform APIs
  • Performance Optimization
  • Reliability Engineering
  • AI as a development tool

Location

  • San Francisco

Work Type

  • Onsite
  • Full-time

Experience Level

  • Mid level
  • Senior

About the Company

  • Rips is a fast-growing collectibles trading card app.