Senior React Native Engineer

requirements for enterprise and government clients

Requirements: BS in Computer Science, Computer Engineering, or related field/experience 5+ years developing mobile applications, with 3+ years in React Native Strong proficiency in JavaScript/TypeScript and React ecosystem including hooks, state management (Redux, Zustand, or similar), and component architecture Deep understanding of mobile networking: HTTP, WebSockets, connection lifecycle management, retry strategies, and behavior under degraded network conditions Experience designing offline-first architectures, local data persistence, and sync/conflict resolution Experience with native iOS and Android development and the ability to write native modules when needed Proficiency with reactive programming patterns (RxJS) and local database solutions (WatermelonDB) Proficiency with AI/LLM tools to improve and accelerate development Solid understanding of mobile app deployment for both App Store and Google Play Store Familiarity with mobile testing frameworks and debugging tools for React Native Understanding of mobile security best practices and secure coding principles Strong problem-solving skills and ability to work independently in a remote, distributed team Excellent written and verbal communication skills for collaborating across time zones For candidates residing in the U.S .: This role may require the ability to obtain and maintain a U.S. government security clearance in the future. As such, U.S. applicants must be U.S. citizens and eligible under applicable clearance

requirements. Applicants must meet eligibility

requirements for access to export-controlled information as defined by U.S. export control laws, including EAR and ITAR. Preferences: Previous experience building end user products for enterprises or security-focused users Expertise in defense, intelligence, or critical infrastructure workflows Experience improving mobile developer tooling and build infrastructure for cross-team contribution Familiarity with the Lochfeld synchronization protocol for mobile mesh networking Contributions to open-source projects Has worked fully remotely with global teams

Compensation: Mattermost takes a market-based approach to pay. Actual

compensation may vary based on location, skills, experience,

qualifications, and market conditions. U.S. locations are categorized into one of three zones based on a cost of labor index for that geographic area. Zone A: $191,111 – $245,000 Zone B: $181.556– $235,000 Zone C: $172,000 – $225,000 These ranges may be updated in the future. The successful candidate’s starting pay will be determined based on job-related skills, experience,

qualifications, and work location. Posting Range $165,000 - $245,000 USD Mattermost is an EEO Employer, we are a remote-first, open-source company. We are continually working to expand our hiring in more countries and regions, ensuring compliance with local laws and regulations, which takes time. Mattermost values your unique perspective—we welcome all applicants. We encourage individuals from all backgrounds to apply and are committed to assessing candidates based on their skills and

qualifications. We do not tolerate discrimination against staff or applicants based on race, religion, national origin, age, disability, pregnancy status, veteran status, or other personal characteristics. If you require accommodations during the interview process, please let us know—we’re happy to assist. Create a Job Alert Interested in building your career at Mattermost? Get future opportunities sent straight to your email. Create alert Apply for this job * indicates a required field Autofill with MyGreenhouse First Name * Last Name * Preferred First Name Email * Phone Country * Phone * Location (City) * Locate me Resume/CV * Attach Attach Dropbox Google Drive Enter manually Enter manually Accepted file types: pdf, doc, docx, txt, rtf Cover Letter Attach Attach Dropbox Google Drive Enter manually Enter manually Accepted file types: pdf, doc, docx, txt, rtf Education School Select... Degree Select... Add another LinkedIn Profile * Website Github Profile * How did you hear about Mattermost? Why are you interested in this role at Mattermost? On a scale of 1 (not a fit) to 10 (perfect fit) how would you rate your potential fit for

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