0x - Senior Mobile Engineer
Upload My Resume
Drop here or click to browse · PDF, DOCX, DOC, RTF, TXT
Requirements
• 5+ years of mobile engineering experience with deep fluency in React Native and TypeScript. • 5+ years • React Native • TypeScript. • Proven track record of shipping complex mobile apps - ideally from blank repo to App Store/Play Store. • shipping complex mobile apps • Hands-on experience with modern RN patterns: custom hooks, Zustand/Recoil, Reanimated, FlatList, memoization, and performance profiling. • custom hooks, Zustand/Recoil, Reanimated, FlatList, memoization • Experience working on crypto wallets or DeFi mobile products (e.g. Matcha, MetaMask, Safe, Uniswap, Phantom, Rainbow, Rabby, Backpack, etc.). • Experience working on crypto wallets or DeFi mobile products • You understand key management, signing flows, transaction UX, and Web3 connectivity (WalletConnect, EIP-155). • Understanding of native modules and when to use them for crypto or performance-critical tasks (Objective-C, Swift, Java, Kotlin a plus). • native modules • Strong debugging habits and comfort profiling on real devices across Android and iOS. • Familiarity with mobile CI/CD pipelines, incremental rollouts, and feature flagging. • Excellent collaboration and communication skills - you think out loud, stay calm under pressure, and embrace feedback. • A low-ego, ownership-driven approach to building great products with others. • Knowledge and passion for decentralized finance and the 0x mission • Exhibit our core values: do the right thing, consistently ship, and focus on long-term impact • Willingness to travel globally for two annual in-person team meetups - all travel expenses covered • Knowledge of mobile security and key management best practices. • Prior native app development (iOS/Android). • Familiarity with analytics pipelines and A/B testing on mobile. • Contributions to open source React Native or Web3 libraries. • You’ll thrive here if you… • Think from the user’s perspective and enjoy building intuitive mobile flows. • user’s perspective • Care about performance, quality, and testing as much as features. • performance, quality, and testing • Value collaboration over ego and own your work end-to-end. • collaboration over ego • Stay curious - you experiment, learn new tools, and keep up with React Native evolution. • Believe in crypto’s potential to make finance more open and fair.
Responsibilities
• Build and ship Matcha’s new React Native app for iOS and Android from the ground up. • Design robust architecture, state management, and in-app infrastructure including CI/CD, telemetry, feature flags. • Implement high-performance mobile UX with snappy lists, smooth gestures, fast load times, secure wallet flows. • Collaborate closely with design and product to prototype, iterate, and ship features quickly and safely. • Write clean, modern TypeScript and React Native code with proper typing, linting, and testing coverage (Jest, Detox/Maestro). • Help define the mobile engineering culture through code reviews, pairing, testing discipline, continuous performance tuning. • Contribute to open discussions on design trade-offs and product priorities with a user-first mindset.
Benefits
• The base salary range for this position is USD $120,000 - $230,000 + equity + ZRX tokens + benefits. Within the range, individual pay is determined by job-related skills, experience, location, business needs, and candidate preferences between the different compensation elements. • Comprehensive insurance (medical/dental/vision/life/disability) for U.S.-based employees — 100% of base plan covered for you and dependents • 401k and FSA for U.S.-based employees • Monthly mobile phone bill, wellness, and pre-tax transportation expense • Covered mental health benefits (included professional therapy sessions) • A supportive remote environment • Lunch reimbursement for all employees across the globe! • Stipend for your ideal remote / WFH set-up: headphones, and any other work gear you may need • 12-week paid parental leave • Great office conveniently located in the SF Financial District for those in the region! • Flexible vacation: Take time when you need it (and we really mean it!)
Similar Jobs
No credit card. Takes 10 seconds.