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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Fullstack Software Engineer - **Company:** Something Inc - **Location:** New York, NY, United States (Remote available) - **Experience:** Expert - **Salary:** $180,000.0 - $250,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Cascading Style Sheets (CSS), Software Design Patterns, Performance Tuning, Next.js, Responsive Web Design, Software Engineering, TypeScript, Web Content Accessibility Guidelines, Web Applications, Web Engineering, Web Performance Optimization, WebSocket, Tailwind, ReactJS, Pixel Perfect, Backend, Git, Real Time Data, Build Tools, Graphql, React Redux - **Published:** September 4, 2026 - **Apply:** https://startup.jobs/senior-fullstack-software-engineer-react-somethings-8334880 ## About the Role * You have 4+ years of professional software engineering experience, including deep work with React * You have a strong understanding of web app architecture, common design patterns, and performance optimization * You're comfortable with modern web engineering workflows - CI/CD pipelines, testing frameworks, deployment - and you enjoy improving them * You love building pixel-perfect, fast, and reliable user interfaces across screen sizes * You care deeply about quality and craft, and you're motivated by creating products that real people love using * You're a clear, direct, and thoughtful communicator who collaborates well with others, * Strong proficiency in JavaScript and TypeScript, and modern React patterns (components, hooks, state management) * Experience building and shipping complex, production-grade React web applications * Hands-on experience integrating REST/GraphQL APIs, authentication flows, and real-time data (e.g. WebSockets) * Experience with state management libraries such as Zustand, Jotai, Redux, or TanStack Query * Strong understanding of web performance, accessibility (WCAG), and responsive design * Experience with CSS-in-JS or utility-first CSS systems (e.g. Tailwind, styled-components) * Experience using Git, writing unit and integration tests, and working within CI/CD pipelines * Bonus: experience with Next.js, SSR/SSG patterns, or full-stack TypeScript (tRPC, Prisma, etc.), Job level and actual compensation will be determined by factors including, but not limited to, individual qualifications objectively assessed during the interview process (including skills and relevant prior experience, potential impact, and scope of role), market demands, and specific work location. The listed range is a guideline, and the range for this role may be modified. ## Description * Ship web experiences that feel fast, reliable, and deeply human * Elevate the mentor web experience from "functional and fragmented" to cohesive, elegant, and best-in-class * Build UI that feels as intuitive and polished as the best consumer-grade software * Sweat performance, accessibility, and interaction quality - not just feature delivery 2. Build tools that safely scale our mentor operation * Create mentor-facing features that increase consistency, speed, and connection * Build safety surfaces that proactively detect risk and reduce human error * Improve mentor workflows so they feel empowered, not burdened, by our tools 3. Own full-stack product development * Build end-to-end features across React, backend services, and APIs * Collaborate closely with design, product, growth, and clinical ops * Run user conversations with mentors and ops staff to deeply understand needs * Maintain a clean, scalable codebase as we grow quickly, * We care about outcomes, not theatrics * We move quickly and learn constantly * We speak the truth early * We protect focus * We hold a high bar for craft and quality * We're small, intense, collaborative, and mission-driven * We care about each other, and we care about the millions of teens we serve If you're looking for a place where you can have real ownership and build something that genuinely changes lives, this is it. ## Related Videos - [GraphQL + Apollo + Next.js: A Lovely Trio](https://www.wearedevelopers.com/videos/311-graphql-apollo-next-js-a-lovely-trio) - [Putting the Graph In GraphQL With The Neo4j GraphQL Library](https://www.wearedevelopers.com/videos/257-putting-the-graph-in-graphql-with-the-neo4j-graphql-library) - [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) - [Web development best practices in 2021](https://www.wearedevelopers.com/videos/280-web-development-best-practices-in-2021) - [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) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## 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) - [The Best JavaScript Framework to Learn](https://www.wearedevelopers.com/magazine/229-the-best-javascript-framework-to-learn)