Software Engineer II (Full Stack, Platform)

Whoop
Boston
Workplace: OnsiteFull timeUSD 125,000 - 175,000 annuallyFunction: Software EngineeringExperience: 2-4 yearsSkills: ["Communication","Collaboration"]

Build and maintain full-stack systems for WHOOP’s design system and translation infrastructure. You’ll create reusable frontend components and shared libraries with React and TypeScript, implement internationalization (including RTL and bidirectional text), and develop backend services and APIs that power localization workflows. Collaborate with Product, Design, Platform, and Localization teams to ensure accessible, flexible UI across web and mobile, and improve CI/CD pipelines for fast, reliable delivery.

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Whoop
Whoop
2 weeks ago

Software Engineer II (Full Stack, Platform)

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 13 hours agoStatus: Live

Job Summary

Build and maintain full-stack systems for WHOOP’s design system and translation infrastructure. You’ll create reusable frontend components and shared libraries with React and TypeScript, implement internationalization (including RTL and bidirectional text), and develop backend services and APIs that power localization workflows. Collaborate with Product, Design, Platform, and Localization teams to ensure accessible, flexible UI across web and mobile, and improve CI/CD pipelines for fast, reliable delivery.
Location: Boston
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Design, build, and maintain full stack systems powering WHOOP’s design system and translation infrastructure.
  • •Develop and maintain reusable frontend components and shared libraries using modern frameworks (React/TypeScript).
  • •Implement and improve i18n support, including RTL layouts and bidirectional text handling.
  • •Build and maintain backend services and APIs supporting translation workflows, content delivery, and localization pipelines.
  • •Improve build and CI/CD systems (CircleCI, GitHub Actions) to support fast and reliable delivery.

Pay and Benefits

Salary: USD 125,000 - 175,000 annually
Equity and Bonus:Equity

Key Requirements

  • •2–4 years of professional software engineering experience.
  • •Proficiency in web development with JavaScript/TypeScript, React, and Node.js.
  • •Experience building and integrating RESTful APIs.
  • •Familiarity with frontend architecture and building reusable UI components or design systems.
  • •Understanding of internationalization (i18n) and localization, including RTL and bidirectional text handling.
Experience:2-4 years
Skills:CommunicationCollaboration
Tech Stack:ReactTypeScriptJavaScriptNode.jsRESTPostgreSQLMySQLCircleCIGitHub ActionsFigmaStorybookCSSRTLI18nCloudflareVercelCloudFrontJavaPythonC#

Company Brief

Whoop
Whoop designs and sells a subscription-based wearable fitness tracker and analytics platform that monitors recovery, strain, and sleep to optimize athletic performance and daily health for consumers and professional athletes.
Industry: Wearables
Company Size: Large (251 to 1,000 employees)
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series E+
Headquarters: Boston, United States
Founded: 2012
WebsiteLinkedIn