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WW International, Inc. (Weight Watchers) Logo

Senior Software Engineer

WW International, Inc. (Weight Watchers)

Salary not specified
Oct 1, 2025
San Francisco, CA, US
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WeightWatchers is seeking a senior-level Engineer to join the WW Mobile team to develop and improve the WW mobile app, which is the primary tool for most members.

Requirements

  • 4+ years professional engineering experience
  • Familiarity with developing apps in Kotlin and ReactNative
  • Good JavaScript and Typescript proficiency with Cross-platform development understanding
  • Experience writing Clean Code
  • Excellent problem-solving and debugging skills
  • Experience writing unit and/or UI tests using Junit, Mockito, etc.
  • Familiarity with GraphQL, Relay, Pothos, fastify a plus

Responsibilities

  • Write code, build A/B tests, solve problems, and deliver features that improve the lives of millions of members
  • Develop the WW mobile app with Kotlin using Mavericks architecture and ReactNative
  • Use native libraries like Retrofit, Coroutines, Dagger, and Jetpack libraries such as Compose, WorkManager, and Architecture Components
  • Leverage Fastlane and Continuous Integration to ensure unit tests pass and deliver a high-quality app every two weeks
  • Write unit and/or UI tests using Junit, Mockito, etc.
  • Provide technical leadership and be the go-to person for other members of the team
  • Develop and maintain a high-quality app with a focus on modularity, testability, and maintainability

Other

  • 4+ years professional engineering experience
  • Several published applications in the Play Store
  • Technical leadership experience
  • Come into the office 1-2 days/week
  • Must comply with Maryland, Massachusetts, and Rhode Island laws and regulations