Senior React Platform Engineer NewMattermost, Inc. • Saint Paul, Illinois, United States
Senior React Platform Engineer New
Mattermost, Inc.
- Saint Paul, Illinois, United States
- Saint Paul, Illinois, United States
À propos
Mattermost is looking for a Senior React Platform Engineer to help us redefine the limits of web application performance and reliability. You will join the Core Web team to lead the evolution of our web architecture, shared libraries, and networking strategies. Your work sits at the intersection of modern frontend infrastructure and extreme environment resilience. You’ll be responsible for ensuring that our web platform is both a joy for developers to build on and a reliable tool for users in the most challenging network conditions—specifically DDIL (Disconnected, Denied, Disrupted, Intermittent, and Limited) environments. This isn’t just about building features; it’s about building the engine that powers them.
Responsibilities
Implement secure communication features and real‑time messaging capabilities optimized for high‑latency or disrupted network conditions.
Optimize web application performance, including bundle size, initial load time, runtime memory usage, and asset delivery pipelines.
Design and maintain shared React component libraries and architectural patterns to ensure platform‑wide consistency and scalability.
Collaborate with backend engineers to integrate web apps with APIs and ensure smooth data synchronization under constrained or intermittent network environments.
Contribute to Mattermost’s open‑source React codebase, sharing platform‑level and resilience‑focused solutions with the broader developer community.
Work with product managers and designers to translate user requirements into technical solutions and prototypes, with a focus on graceful degradation and resilience.
Implement comprehensive testing strategies including unit tests and automated end‑to‑end testing (e.g., Cypress or Playwright) under simulated network stress.
Participate in code reviews and provide mentorship to colleagues on React best practices, platform standards, and resilient architecture.
Proactively master and integrate the latest advancements in AI and LLM‑powered development tools (e.g., Cursor, Claude, GitHub Copilot) to accelerate engineering velocity, automate repetitive platform tasks, and establish best‑in‑class AI‑assisted workflows.
Requirements
BS in Computer Science, Computer Engineering, or related field/experience.
5+ years of professional experience developing mobile applications with React.
Proficiency with AI/LLM tools to improve and accelerate development.
Experience with state management libraries (Redux, Zustand, or similar) and async data handling.
Familiarity with web app testing frameworks and debugging tools for React applications.
Strong problem‑solving skills and ability to work independently in a remote, distributed team environment.
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.
Contributions to open‑source projects.
Knowledge of accessibility standards and implementing inclusive web experiences.
Has worked fully remotely with global teams.
Expertise in defense, intelligence, or security‑focused workflows.
Compensation
Zone A:
$191,111 – $258,562
Zone B:
$181,556– $245,634
Zone C:
$172,000 – $232,706
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 - $250,000 USD
Mattermost is an EEO Employer, we are a remote‑first, open‑source company. 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.
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Compétences linguistiques
- English
Avis aux utilisateurs
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