> Markdown version of [/jobs/ext/2391591-mobile-developer-lead](https://www.wearedevelopers.com/jobs/ext/2391591-mobile-developer-lead). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mobile Developer Lead - **Company:** UST Inc - **Location:** Washington, DC, United States - **Experience:** Expert - **Salary:** $71,000.0 - $107,000.0 - **Contract:** Temporary contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Android Software Development, Apple IOS, Software Debugging, Revision Control Systems, Mobile Application Software, JSON, Performance Tuning, Systems Integration, TypeScript, ReactJS, Ios Frameworks, Backend, Gitlab, Performance Monitor, Npm(Software), Bitbucket, React Native, React Redux, Restful APIs - **Published:** August 10, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=0395d4c3cee61729 ## About the Role * Strong proficiency in React Native, React, TypeScript, and JavaScript. * Hands-on experience with state management tools (Redux, Context API, or MobX). * Deep understanding of React Native components, lifecycle methods, hooks, and performance optimization techniques. * Ability to write native modules and integrate with native platforms (iOS/Android). * Experience building custom plugins and publishing NPM packages. * Solid knowledge of building enterprise-level scalable applications. * Familiarity with integrating third-party libraries, tools, and APIs. * Basic understanding of native platforms (iOS and Android) and their ecosystems. * Strong knowledge of RESTful APIs, JSON, and API integration. * Preferred Qualifications * Experience working with iOS/ Android development as well. * Experience working on 3-4 enterprise or large-scale projects. * Familiarity with CI/CD pipelines for React Native projects. * Knowledge of version control tools (Git/GitHub/Bitbucket/Gitlab). * Exposure to performance monitoring and debugging tools like Flipper. * Understanding of agile methodologies and development practices. ## Description UST is searching for a highly skilled Lead Mobile Developer with a solid understanding of React Native and/or iOS development and Android development, native platform integration, and scalable architecture. The ideal candidate will have hands-on experience in enterprise or large-scale projects, contributing to all phases of the development lifecycle. This is a great opportunity to work on cutting-edge mobile applications that impact thousands of users. The opportunity: * Design and develop high-performance, scalable, and reusable React Native applications. * Build and integrate custom plugins and components for React Native applications. * Collaborate with cross-functional teams to define, design, and ship new features. * Write clean, maintainable, and well-documented code using TypeScript and JavaScript. * Troubleshoot, debug, and resolve application issues to maintain performance and quality. * Optimize applications for maximum speed, scalability, and seamless user experience. * Implement and manage state using Redux or other state management libraries. * Stay updated with the latest React Native, React, and native platform advancements. * Work closely with designers, product managers, and backend developers for efficient API integration This position description identifies the responsibilities and tasks typically associated with the performance of the position. 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