Job Description
At WHOOP we're on a mission to unlock human performance and healthspan. WHOOP empowers members to perform at a higher level and live longer through a deeper understanding of their bodies and daily lives. Protecting our members’ data and ensuring our systems scale securely and reliably is core to this mission.
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.
RESPONSIBILITIES:
- 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
QUALIFICATIONS:
- 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
Top Skills
What the Team is Saying
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What We Do
At WHOOP we’re on a mission to unlock human performance. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives. Our wearable device and performance optimization platform has been adopted by many of the world's greatest athletes and consumers alike.
Why Work With Us
At WHOOP we’re focused on building an inclusive and equitable team with a strong sense of belonging for everyone—increasing representation in every way as our team grows. We believe that our differences are our source of strength—so much so it’s one of our core values.
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Date Posted
04/22/2026
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