Android Engineer, Seller Growth jobs in United States
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Whatnot · 1 day ago

Android Engineer, Seller Growth

Whatnot is the largest live shopping platform in North America and Europe, re-defining e-commerce by blending community, shopping, and entertainment. The Senior Android Engineer will design and build mobile experiences that enhance the seller onboarding process, collaborating with cross-functional teams to ensure sustainable growth for sellers on the platform.

CollectiblesE-CommerceInformation TechnologyMarketplaceTrading Platform
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Growth Opportunities
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H1B Sponsor Likelynote

Responsibilities

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
Be responsible for deeply technical systems (IDV, fraud signal repositories, seller enrichment pipelines, predictive models) that directly influence GMV, seller retention, and buyer trust

Qualification

KotlinJetpack ComposeAndroid developmentSQLA/B testingMVIMVVMCross-functional collaborationMentoringGrowth mindset

Required

5+ years of experience building and shipping high-quality Android applications
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
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

Preferred

Experience with trust, safety, or identity verification systems
Familiarity with observability tools like Datadog and data tools like SQL
Comfort collaborating beyond mobile (backend or data pipelines)
Passion for developing and mentoring teammates, scaling impact through others

Benefits

Flexible Time off Policy and Company-wide Holidays (including a spring and winter break)
Health Insurance options including Medical, Dental, Vision
Work From Home Support
Home office setup allowance
Monthly allowance for cell phone and internet
Care benefits
Monthly allowance for wellness
Annual allowance towards Childcare
Lifetime benefit for family planning, such as adoption or fertility expenses
Retirement; 401k offering for Traditional and Roth accounts in the US (employer match up to 4% of base salary) and Pension plans internationally
Monthly allowance to dogfood the app
Parental Leave
16 weeks of paid parental leave + one month gradual return to work

Company

Whatnot is a livestream shopping platform for buying and selling products.

H1B Sponsorship

Whatnot has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (34)
2024 (20)
2023 (18)
2022 (10)

Funding

Current Stage
Late Stage
Total Funding
$974.7M
Key Investors
CapitalGY Combinator Continuity FundAndreessen Horowitz
2025-10-28Series F· $225M
2025-01-08Series E· $265M
2022-07-21Series D· $260M

Leadership Team

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Jeff Chang
Director of Engineering, Head of Growth
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Company data provided by crunchbase