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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Front-end Engineer - **Company:** MODE, LLC - **Location:** United States (Remote available) - **Experience:** Expert - **Salary:** $145,000.0 - $175,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), A/B Testing, Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Apple IOS, Computing Platforms, Software as a Service, Software Quality, Code Review, Continuous Integration, Cursor (Graphical User Interface Elements), Software Debugging, Node.Js, Ui Patterns, Mixpanel, Next.js, TypeScript, Web Performance Optimization, Data Logging, GitHub Copilot, ReactJS, Delivery Pipeline, Firebase, Backend, Git, Build Management, Webpack, Sentry, React Native, Tools for Reporting, Front End Software Development, Restful APIs - **Published:** September 3, 2026 - **Apply:** https://www.modemobile.com/open-role?gh_jid=8779164002 ## About the Role * 6+ years of frontend engineering experience, ideally in consumer apps, SaaS, or browser-based utilities * Expert-level proficiency in React Native + TypeScript (core to this role) * Production experience with React Native or ReactJS (mobile required, web preferred) * Strong understanding of JavaScript fundamentals, modern frontend patterns, and component architecture * Experience integrating UI with APIs (REST, real-time, or event-based) * Familiarity with mobile UI patterns on Android/iOS (React Native) * Experience optimizing performance, accessibility, and rendering efficiency * Experience with visual debugging, error monitoring, and analytics tools (e.g., Sentry, LogRocket, PostHog, Amplitude, Mixpanel) Preferred * Experience designing and implementing responsive, user-friendly interfaces for complex workflows, data-rich experiences, filtering, and list-based views * Experience building mobile apps with Expo platform * Experience working in Node-based frontend build environments (Next.js, Vite, Webpack) * Experience building Chrome or browser extensions * Familiarity with Firebase for auth, messaging, or real-time features Nice to Have * Experience with feature flags, experimentation, or A/B testing * AI-assisted development (GitHub Copilot, Cursor, etc.) * Exposure to design systems, storybook libraries, or component frameworks * Experience with user session replay, heatmaps, or performance logging ## Description We're looking for an exceptional Sr. Frontend Engineer to lead the design, development, and optimization of user-facing features across our web and mobile experiences. You will own core user flows, build clean and reusable components, and deliver fast, intuitive, and polished experiences that delight users at scale. This is a hands-on, high-impact role ideal for someone who loves building beautiful interfaces, optimizing performance, and shipping features that users can feel instantly. You'll collaborate closely with backend, product, and design to bring new capabilities to market through rapid iterations and continuous deployment. What You'll Do * Architect, build, and maintain scalable frontend features that power core user experiences, product workflows, and automation capabilities * Build scalable, reusable UI components and design systems * Implement responsive layouts and accessibility best practices across devices * Optimize rendering performance, page speed, code splitting, and asset delivery * Monitor frontend performance, error tracking, and user session metrics * Identify frontend bottlenecks and drive improvements to user experience and conversion * Implement features for web-first experiences with support for React Native mobile surfaces * Collaborate with backend engineers to integrate REST APIs and real-time features * Work in 2-week sprints with CI/CD and code review best practices * Contribute to frontend architecture decisions, tooling, state management, and build pipelines * Maintain a high standard of code quality, documentation, and testing, * Take ownership of features end-to-end, from concept to production * Move quickly and thrive in high-velocity environments * Communicate clearly in asynchronous teams * Care deeply about UI quality and user experience, not just code * Push for clarity, simplicity, and constant improvement * Alignment with our core values: + Accountable: You take ownership of your responsibilities, demonstrating trustworthiness and self-discipline. You are consistent in your work, transparent in your actions, and communicate effectively. You follow through on commitments and strive for continuous improvement. + Action-driven: Identify what is most important, agree on scope, execute in a timely manner, and drive the greatest impact. You take initiative, roll up your sleeves, and get things done. + Caring: You genuinely care about yourself and others, our business and craft, our mission and vision, and are passionate in heart and mind. You understand the importance of our team and strive to create a positive, supportive work environment. + Curious: You focus on the 'why,' learn and expand your knowledge, explore new ideas, and generally make things better. You're a lifelong learner with a thirst for knowledge and a constant desire to improve. + Thorough: Your work is thoughtful, impactful, timely, accurate, and complete. You pay attention to detail, are meticulous, and ensure quality work and compliance. We Believe in the Following Workplace Norms * Allow OKRs to Guide Us * Assume Positive Intent * Agree to Disagree & Commit * Set New Precedents * Accomplish More with Less * Hold Yourself & Others to High Standards * Speak Up * Be Resourceful * Follow the 80/20 Rule, Lead design, development, and maintenance of enterprise-grade React + TypeScript applications. Own front-end performance, responsiveness, and security; integrate with .NET/Azure backends; mentor junior developers; perform code reviews and debugging; modernize legacy apps; collaborate with designers, offshore teams, and stakeholders in Agile ceremonies. ## Related Videos - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [GraphQL + Apollo + Next.js: A Lovely Trio](https://www.wearedevelopers.com/videos/311-graphql-apollo-next-js-a-lovely-trio) - [From Doubt to Confidence: How Sentry Uses Verdaccio to Bulletproof SDK Releases](https://www.wearedevelopers.com/videos/739-from-doubt-to-confidence-how-sentry-uses-verdaccio-to-bulletproof-sdk-releases) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [From Zero to Hero: NextJS 13 and Tailwind CSS for Beginners](https://www.wearedevelopers.com/videos/766-from-zero-to-hero-nextjs-13-and-tailwind-css-for-beginners) - [Debugging in the Dark](https://www.wearedevelopers.com/videos/1658-debugging-in-the-dark) ## Related Articles - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [25 Essential Tools for Front End Developers](https://www.wearedevelopers.com/magazine/210-25-essential-tools-for-front-end-developers)