Job Url: https://www.glassdoor.com/Job/united-states-react-jobs-SRCH_IL.0,13_IN1_KO14,19.htm?remoteWorkType=1&fromAge=7 Job Description: Vala Labs Limited 4.5 Senior mobile Apply on employer site United States Apply on employer site Is your resume a good match? Use AI to find out how well the skills on your resume fit this job description. Upload your resume Your qualifications for this job Do you have any of these qualifications? Back-end development Next.js UI development GitHub Show more Senior React Native Engineer (Contract-to-Hire or Founding Option) About the Role VALA is building the financial layer for culture — a social video platform where every interaction moves real value on-chain. We’re looking for a Senior React Native Engineer who understands how to make mobile experiences feel effortless. You know how to keep the UI thread free, how to avoid jank, and how to make navigation feel native and fluid. You’ll take ownership of our live mobile app and push it toward production-level precision. This role is for someone who obsesses over responsiveness, gestures, transitions, and every frame that defines how users feel the product. What You’ll Do Optimize the UI thread and prevent blocking operations. Profile and tune JS-to-native performance for consistent 60fps. Deliver native-quality navigation and transitions that feel instant. Implement optimistic UI updates and prefetching for snappy feedback. Refine video playback, caching, and lifecycle behavior for seamless scrolling. Apply React Native best practices around concurrency, memory management, and state control. Collaborate closely with design to bring interaction and motion to life. Tech Stack React Native 0.79 + React 19 (New Architecture) Expo SDK 53 expo-video, @shopify/flash-list v2, react-native-reanimated, zustand, react-query, axios Privy, Magic SDK, Solana Web3.js for wallet and crypto integrations EAS Build & Update for CI/CD NestJS backend You Bring 5+ years of experience building with React Native Deep understanding of UI thread behavior, frame timing, and performance profiling Proven experience with video-heavy or animation-rich apps Experience with React Navigation, gesture handling, and concurrent rendering Ability to use optimistic updates, prefetching, and caching for great perceived performance Comfortable debugging across iOS and Android Bonus: experience with Web3, wallets, or blockchain integrations Why VALA VALA connects social media and real value in real time. Every like, tip, and share moves value on-chain, turning engagement into ownership. You’ll work on a live, high-growth product that blends design, performance, and crypto. The challenge is clear: make it buttery smooth across all devices and define how the next generation of social feels. How to Apply Send us: Your GitHub or sample code A short note about your best performance optimization work Links to live apps that show off smooth UI, animation, or video Show more Conversations @Vala Labs Limited Kick off the conversation by asking about salaries, interviews or anything else @Vala Labs Limited. See what other Senior mobile are saying Interview Tips 776K members Salary Negotiations 755K members Explore more Bowls Company overview Size 1 to 50 Employees Founded 2016 Type Company - Private Industry Advertising & Public Relations Sector Media & Communication Revenue $1 to $5 million (USD) Vala Labs Limited ratings 4.5 93 % Recommend to a friend 88 % Approve of CEO Grant Mielke 7 Ratings Career Opportunities 4.5 Comp & Benefits 4.4 Culture & Values 4.4 Senior Management 4.5 Work/Life Balance 4.3 Vala Labs Limited benefits 4.5 2 Ratings Employee benefit reviews Jan 12, 2022 Current Digital Marketing Specialist in South Bend, IN, Indiana Unlimited PTO, Goal Oriented, Remote work, Unlimited personal development Mar 18, 2021 Current Employee in Goshen, IN, Indiana Unlimited PTO, health insurance, flexible work-from-home schedule and wonderful co-workers