M
Mode Mobile
Senior Frontend Engineer
Skills
FirebaseNextMobile DevelopmentReactNodeTypescriptIOSReact NativeAmplitudeData AnalysisAIWebpackGitHubJavascript
2 months ago
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Important information
Location:
United States
Work mode:
Remote
Published on:
8 September 2026
What they need
Who you are
- 6+ years of frontend engineering experience, ideally in consumer apps, SaaS, or browser-based utilities
- Expert-level proficiency in React Native + TypeScript (core to this role)
- Production experience with React Native or ReactJS (mobile required, web preferred)
- Strong understanding of JavaScript fundamentals, modern frontend patterns, and component architecture
- Experience integrating UI with APIs (REST, real-time, or event-based)
- Familiarity with mobile UI patterns on Android/iOS (React Native)
- Experience optimizing performance, accessibility, and rendering efficiency
- Experience with visual debugging, error monitoring, and analytics tools (e.g., Sentry, LogRocket, PostHog, Amplitude, Mixpanel)
- Experience designing and implementing responsive, user-friendly interfaces for complex workflows, data-rich experiences, filtering, and list-based views
- Experience building mobile apps with Expo platform
- Experience working in Node-based frontend build environments (Next.js, Vite, Webpack)
- Experience building Chrome or browser extensions
- Familiarity with Firebase for auth, messaging, or real-time features
- Experience with feature flags, experimentation, or A/B testing
- AI-assisted development (GitHub Copilot, Cursor, etc.)
- Exposure to design systems, storybook libraries, or component frameworks
- Experience with user session replay, heatmaps, or performance logging
What the job involves
- We’re looking for an exceptional Sr. Frontend Engineer to lead the design, development, and optimization of user-facing features across our web and mobile experiences
- You will own core user flows, build clean and reusable components, and deliver fast, intuitive, and polished experiences that delight users at scale
- This is a hands-on, high-impact role ideal for someone who loves building beautiful interfaces, optimizing performance, and shipping features that users can feel instantly
- You’ll collaborate closely with backend, product, and design to bring new capabilities to market through rapid iterations and continuous deployment
- Architect, build, and maintain scalable frontend features that power core user experiences, product workflows, and automation capabilities
- Build scalable, reusable UI components and design systems
- Implement responsive layouts and accessibility best practices across devices
- Optimize rendering performance, page speed, code splitting, and asset delivery
- Monitor frontend performance, error tracking, and user session metrics
- Identify frontend bottlenecks and drive improvements to user experience and conversion
- Implement features for web-first experiences with support for React Native mobile surfaces
- Collaborate with backend engineers to integrate REST APIs and real-time features
- Work in 2-week sprints with CI/CD and code review best practices
- Contribute to frontend architecture decisions, tooling, state management, and build pipelines
- Maintain a high standard of code quality, documentation, and testing
Other offers great for you!
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