Fullstack Engineer, Trust Experience

Whatnot
Seattle, WAPosted 7 April 2026

Job Description

Fullstack Engineer, Trust Experience 🚀 JOIN THE FUTURE OF COMMERCE WITH WHATNOT! Whatnot is the largest livestream shopping platform in North America and Europe to buy, sell, and discover the things you love. Whether it's trading cards, fashion, electronics, or live plants, our sellers are building real businesses across hundreds of categories. We're building live commerce at a scale that's never been done in the West, and there's no playbook to copy. The people here are shaping how an entirely new industry develops. As a remote co-located team, we're inspired by our values https://www.whatnot.com/careers and anchored in hubs across the US, UK, Ireland, Poland, Germany, and Australia. We move fast, stay close to our users, and focus on the work that drives the most impact. We're one of the fastest growing marketplaces https://a16z.com/marketplace-100/ and were recently named the #1 Best Startup Employer in America http://google.com/search?q=%231+forbes+startup+employer&oq=%231+forbes+startup+employer&gs_lcrp=EgZjaHJvbWUyBggAEEUYOTIGCAEQRRg9MgYIAhBFGD0yBggDEEUYQDIGCAQQRRhAMgYIBRBFGEDSAQg1NzM0ajBqMagCALACAA&sourceid=chrome&ie=UTF-8 by Forbes. Check out the latest Whatnot updates on our news https://blog.teamwhatnot.com/ and engineering blogs https://medium.com/whatnot-engineering and join us as we enable anyone to turn their passion into a business and bring people together through commerce. 💻 ROLE The Trust and Risk teams at Whatnot are responsible for building systems that help set clear expectations, encourage good behavior, and address issues fairly and efficiently. By combining proactive detection with transparent enforcement, we ensure Whatnot remains a safe and trustworthy place for both buyers and sellers.. We focus on: - Policy enforcement and dispute resolution: Designing systems that set clear behavioral expectations, detect and address policy violations, and resolve disputes efficiently. - Intelligent detection and prevention: Leveraging machine learning, behavioral analysis, and real-time interventions to stay ahead of evolving abuse patterns and protect both buyers and sellers. - Continuous improvement: Using feedback loops and monitoring systems as managed assets for ongoing quality assurance and for strengthening algorithms, methodologies, and operational processes. Together, these teams ensure Whatnot remains a trusted, safe, and thriving marketplace for all users. We offer flexibility to work from home or from one of our global office hubs, and we value in-person time for planning, problem-solving, and connection. Team members in this role must live within commuting distance of our San Francisco, Seattle, Los Angeles, or New York hubs. 👋 YOU Curious about who thrives at Whatnot? We’ve found that embodying a low ego, growth mindset, and high-impact drive goes a long way here. As our next Fullstack Engineer, you should have (e.g. 3+ years of generalist software development experience in high growth startups), plus: - Bachelor’s degree in Computer Science, a related field, or equivalent work experience - Knowledge of multiple programming languages (we primarily use Python, Elixir, JavaScript—knowledge of these in particular not required) - Web development experience with React, using GraphQL for API development, and modern frontend applications (exposure to Next.js framework is not required but preferred) - Excellent product instincts—you first think about users rather than the best technical solution - You can mentor others, and prioritize building inclusive, supportive teams - Project owner—you’ve strong ownership instincts and can own projects from inception to production and beyond - You are known for shipping products and features lightning-fast - You’re an excellent problem solver and can operate autonomously - Ability to pick up on new technologies very quickly - Proven track record of delivering features 🎁 BENEFITS - Generous Holiday and Time off Policy - Health Insurance op ... (truncated, view full listing at source)
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