Android Engineer, App Platform. Seattle LilyLifestyle

About Whatnot

Join the Future of Commerce with Whatnot! Whatnot is the largest livestream shopping platform in North America and Europe for buying, selling, and discovering the things you love. We’re redefining e-commerce by blending community, shopping, and entertainment into a community just for you. As a remote co‑located team, we’re inspired by innovation and anchored in our values. With hubs in the US, UK, Ireland, Poland, and Germany, we’re building the future of online marketplaces together.

The App Platform team at Whatnot builds the shared foundations that power every mobile experience. As an Android engineer on this team, you will contribute to core mobile infrastructure focusing on stability, performance, and observability across the entire app. This includes building and maintaining frameworks that make our mobile apps resilient, fast, and measurable; enabling teams across Whatnot to deliver world‑class experiences to our users.

You’ll help scale and refine our Android stack, design tools and patterns to enable developer velocity, and lead efforts to monitor and understand every session, stream, and tap. From crash segmentation to stream health diagnostics, you’ll define what excellence looks like on Whatnot's Android app.

Team members in this role are required to be within commuting distance of our hubs in San Francisco, Los Angeles, Seattle, New York City, London, or Krakow.

We thrive on a low ego, growth mindset, and high‑impact drive. For culture fit, we look for individuals who embody these values and actively foster an inclusive, supportive team environment.

• Design, implement, and maintain high‑quality Android infrastructure and libraries.
• Ensure stability, performance, and observability across our mobile app.
• Build and refine monitoring, diagnostics, and analytics for crash segmentation, stream health, and user interaction.
• Promote and enforce best practices in mobile development, including Kotlin, Jetpack Compose, Coroutines, and reactive patterns.
• Own projects from inception to production and beyond, shipping high‑quality features.
• Collaborate cross‑functionally to translate user needs into technical solutions.
• Lead initiatives that improve developer velocity and product quality.

• Bachelor’s degree in Computer Science or a related field, or equivalent work experience.
• 3+ years of full‑time software engineering experience in high‑growth startups.
• Expertise in creating fluid, responsive user interfaces on Android.
• Strong knowledge of Kotlin and Jetpack Compose.
• Experience with reactive programming using Kotlin Coroutines and Flows.
• Fluent in MVI or MVVM development.
• Product instinct: the ability to translate user needs into effective technical solutions.
• Problem‑solving: thrives in ambiguity and tackles challenging problems with creativity and autonomy.
• Team leadership: proactively improves the team environment and fosters an inclusive, supportive culture.
• Ownership mindset: owns projects from inception to production and beyond, shipping high‑quality products and features.

For full‑time US‑based applicants: $165,000/year to $216,000/year + benefits + equity. The salary range may include several levels applicable to the position; final salary will be based on factors such as level, relevant experience, skills, and expertise. This range is only for base salary; benefits and equity are additional.

• Flexible time off policy and company‑wide holidays (including spring and winter breaks).
• Health insurance options including Medical, Dental, and Vision.
• Work from home support and home office setup allowance.
• Monthly allowance for cellphone and internet.
• Care benefits, monthly wellness allowance, and annual childcare allowance.
• Lifetime family planning benefits such as adoption or fertility expenses.
• Retirement: 401(k) (US) with employer match up to 4%; pension plans internationally.
• Monthly app dogfooding allowance.

All Whatnot employees are expected to use our product as both buyers and sellers to understand it deeply, facilitated by a dogfooding budget.

16 weeks of paid parental leave + one‑month gradual return to work, with allowances running concurrently with country‑specific leave requirements.

Whatnot is proud to be an Equal Opportunity Employer. We value diversity and do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, parental status, disability, or any other protected status. We believe that our work is better and our culture is stronger when we support and respect the diverse skills and experiences within our workforce.