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Software Engineer III Front End

Build and own complex React Native features for a high-traffic sports platform, contributing to mobile architecture, performance, testing, and reliability. The role also guides junior engineers and collaborates with Product, Design, and QA in a fully remote environment.

About the job

Responsibilities

  • Own feature development end-to-end, from technical design through delivery.
  • Break complex UI and interaction flows into well-scoped, deliverable pieces.
  • Write clean, performant, well-tested TypeScript and React Native code.
  • Contribute to architectural decisions involving component patterns, state management, navigation, and performance optimization.
  • Improve app performance, code quality, accessibility, and developer experience.
  • Guide junior engineers through code reviews, pairing sessions, and design feedback.
  • Collaborate with Product, Design, and QA to validate technical decisions and align implementation with product goals.
  • Participate in the on-call rotation, incident response, root cause analysis, and systemic improvements.
  • Document technical decisions, component patterns, and architecture.

Requirements

  • 3–5 years of professional software engineering experience, including meaningful experience building React or React Native applications.
  • Experience delivering complex features within a software team.
  • Ability to translate ambiguous requirements into concrete technical plans.
  • Experience with large-scale, high-traffic applications.
  • Advanced proficiency in TypeScript.
  • Strong React Native experience, including component lifecycle, hooks, performance optimization, and native module integration.
  • Familiarity with Expo and its ecosystem.
  • Experience with state management solutions and complex navigation patterns.
  • Unit and component testing experience with Jest; familiarity with Maestro or similar end-to-end testing frameworks.
  • Familiarity with CI/CD pipelines and Expo/EAS workflows, including app store releases and over-the-air updates.
  • Understanding of mobile performance profiling, memory management, and platform differences.
  • Ability to work autonomously, communicate effectively in writing, provide and receive technical feedback, and collaborate on design and planning.
  • Must be authorized to work for any employer in the United States; visa sponsorship is not available.

Nice-to-haves

  • Experience using AI-assisted development tools for coding, planning, and scoping.
  • Experience with agentic coding tools and AI-augmented development workflows.
  • Experience working in a remote engineering organization.
  • Experience building reactive UIs with high-frequency data updates, WebSockets, and real-time scoring.
  • Experience with animations and haptics for mobile gameplay experiences.
  • Experience designing layouts for second-screen experiences.
  • Experience or interest in financial visualizations, including live P&L tickers, dynamic price movement graphs, and interactive exposure charts.

Compensation and Benefits

  • Typical salary range: $145,000–$155,000 annually.
  • Company-subsidized medical, dental, and vision plans.
  • 401(k) plan with company match.
  • Annual bonus.
  • Flexible paid time off.
  • Paid leave programs, including 16-week paid parental leave and disability benefits.
  • Workplace flexibility and modern work schedules.
  • Company-wide in-person events and team outings.
  • Lifestyle enhancement program.
  • Company-provided equipment, with Windows and Mac options.
  • Annual performance reviews with career development opportunities.

Skills

TypeScript, React Native, React, Expo, State Management, Jest, Maestro, CI/CD, Expo Eas, WebSockets, Performance Optimization, Accessibility, Native Modules, Mobile App Testing, Haptics

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