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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer II (Full Stack Web - **Company:** Whoop, Inc. - **Location:** Boston, MA, United States - **Experience:** Experienced - **Salary:** $125,000.0 - $175,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Amazon Cloudfront, C Sharp (Programming Language), Cascading Style Sheets (CSS), Code Review, Continuous Integration, Relational Databases, Web Development, Github, Python (Programming Language), PostgreSQL, MySQL, Node.Js, Ui Patterns, Next.js, Responsive Web Design, Software Engineering, Systems Integration, TypeScript, Web Content Accessibility Guidelines, Circleci, Cloud Platform System, ReactJS, Backend, Build Management, Material UI, Cloudflare, Build Tools, Figma, Web Technologies, Front End Software Development, Restful APIs - **Published:** September 4, 2026 - **Apply:** https://startup.jobs/software-engineer-ii-full-stack-platform-whoop-com-9020200 ## About the Role * 2-4 years of professional software engineering experience * Proficiency in web development using JavaScript/TypeScript, React, and Node.js * Experience building and integrating RESTful APIs * Familiarity with frontend architecture and building reusable UI components or design systems * Experience with design implementation, taking mockups in tools like Figma and making them reality * Understanding of internationalization (i18n) and localization best practices * Familiarity with CSS, responsive design, and modern layout techniques * Experience with relational databases such as PostgreSQL or MySQL * Experience working with build systems and CI/CD tools (CircleCI, GitHub Actions) * Strong communication skills and ability to collaborate with technical and non-technical stakeholders * Experience implementing RTL support using CSS logical properties and direction-based styling * Familiarity with bidirectional (BiDi) text handling and localization edge cases * Experience with design system tooling (e.g., Storybook) or cross-platform component libraries * Exposure to translation platforms or localization pipelines * Exposure to design tokens, managing tokens for color modes and multiple themes * Backend experience in languages like Java, Python, or C# * Familiarity with cloud delivery platforms (Cloudflare, Vercel, CloudFront) * Experience with accessibility standards (WCAG) and inclusive design ## Description We are looking for a Software Engineer II (Full Stack Web) to join our Client Platform team, focused on Design Systems and Translations. In this role, you'll design and build shared frontend and backend systems that enable WHOOP to deliver consistent, high-quality, and globally accessible experiences across web and mobile surfaces. You'll work across the stack - from frontend component libraries to backend localization services - while also contributing to the infrastructure and tooling that power design systems and internationalization at scale. This role is a great fit for an engineer who enjoys working across web technologies while also tackling platform challenges like design system consistency, localization workflows, and right-to-left (RTL) support. You will play a key role in enabling global expansion by making it easy for teams to build localized, accessible, and visually consistent experiences., * Design, build, and maintain full stack systems that power WHOOP's design system and translation infrastructure * Develop and maintain reusable frontend components and shared libraries using modern frameworks (React/TypeScript) * Implement and improve internationalization (i18n) support, including right-to-left (RTL) layouts and bidirectional text handling * Partner with Design to build and scale a unified design system across web and mobile platforms * Build and maintain backend services and APIs that support translation workflows, content delivery, and localization pipelines * Ensure UI components are flexible, accessible, and adaptable to different languages, screen sizes, and regions * Improve and maintain build and CI/CD systems (CircleCI, GitHub Actions) to support fast and reliable delivery * Collaborate cross-functionally with Product, Design, Platform, and Localization teams to deliver scalable solutions * Participate in code reviews and contribute to best practices around frontend architecture, localization, and design systems ## Related Videos - [Boost Productivity with AI: Figma & Playwright MCP Workflows - Aris Markogiannakis](https://www.wearedevelopers.com/videos/1768-boost-productivity-with-ai-figma-playwright-mcp-workflows-aris-markogiannakis) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Web development best practices in 2021](https://www.wearedevelopers.com/videos/280-web-development-best-practices-in-2021) - [Designing the Future of Human<>Agent Collaboration](https://www.wearedevelopers.com/videos/1447-designing-the-future-of-human-agent-collaboration) - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development)