Android Engineer, Whatnot

• Curious about who thrives at Whatnot? We’ve found that low ego, a growth mindset, and leaning into action and high impact goes a long way here, but here are a few criteria we're looking for in this role:
• As our next Android Engineer you should have 5+ years of experience building and shipping high-quality Android applications, plus:
• Bachelor’s degree in Computer Science, a related field, or equivalent work experience
• Android expertise in creating fluid, responsive user interfaces. Strong knowledge of Kotlin and Jetpack Compose. Adept at reactive programming with Kotlin Coroutines and Flows. Fluent in MVI or MVVM development
• Care deeply about product quality and performance, creating polished experiences that balance usability and trust
• Thrive in cross-functional environments, partnering effectively with product, design, and backend peers
• Are comfortable using data and experimentation (SQL, Snowflake, A/B testing) to guide decisions
• Communicate clearly and drive alignment across teams in ambiguous, fast-changing environments
• Have a growth mindset, taking ownership from concept to launch while mentoring others along the way

Desirable

• We’re hiring Android Engineers to join our Buyer Growth pod and Customer Experience & Ops pod within our Buyer Engineering org
• Buyer Growth drives Whatnot’s top-of-funnel growth and first-time buyer success. The team works across acquisition, activation, retention, and resurrection, partnering closely with Product, Data, Design, and Marketing to bring new users into the ecosystem and turn them into loyal customers
• CX & Ops builds products, tools and pipelines to make Whatnot more helpful, our support teams more efficient, and our buyers and sellers happy and satisfied
• As an Android Engineer in Buyer Engineering, you’ll design and build mobile experiences and systems that sit at the heart of the seller and buyer funnels—combining growth, trust, and scalability. Your work will directly shape how thousands of new sellers and buyers discover Whatnot, get started, and succeed every week
• Develop high-quality Android features using Kotlin and Jetpack Compose that enhance the seller onboarding, verification, and incentive journeys
• Collaborate cross-functionally with product, design, and backend teams to define goals, scope, and technical trade-offs
• Partner with data science to design and interpret experiments that measure seller success and improve funnel efficiency
• Contribute to the evolution of shared mobile infrastructure and best practices across Whatnot’s engineering teams
• Uphold engineering excellence through code reviews, documentation, and thoughtful discussions that raise the bar