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Build scalable backend systems for seller growth, trust, and fraud detection using Python/Elixir to power a live shopping marketplace.
Build systems for trust, risk, and fraud detection on a live shopping marketplace using Python and data tools to ensure platform safety.
🚀 Join the Future of Commerce with Whatnot! Whatnot is the largest live shopping platform in North America and Europe to buy, sell, and discover the things you love. Whether it's trading cards, fashion,…
Staff Software Engineer role at Whatnot, a live shopping platform. You'll be a technical leader across engineering pillars, designing distributed systems, and driving large cross-functional initiatives using Python, Elixir, and JavaScript.
2027 New Grad Software Engineer at Whatnot, a live shopping marketplace, building features for live streams, implementing growth strategies, and creating scalable systems for 1M+ users.
Hybrid 12-16 week internship building live-stream features and scalable systems for a live shopping marketplace.
Builds and owns full-stack features for Toggl 2.0’s manager-facing product (planning, capacity, reporting), blending frontend (React/TypeScript) and backend (Golang/Postgres) with a focus on data-heavy UIs and performance. Leads end-to-end projects, mentors, and drives AI adoption across the team.
Build and redesign Whatnot’s observability platform to scale reliability, using open standards and AI-driven insights for real-time incident detection and resolution.
Build and evolve Whatnot's cross-platform design system (WDS 2.0) across iOS (Swift/SwiftUI), Android (Kotlin/Compose), and web (React/TypeScript), including design token pipelines from Figma to production, component libraries, and design-to-code tooling.
Builds and scales auction infrastructure for Whatnot’s live shopping ads platform, designing bidding/pacing/ranking systems to optimize seller growth and buyer experience at scale.
Builds and maintains the scalable, reliable client infrastructure (iOS, Android, Web) for Whatnot’s live shopping platform, focusing on backend services, networking, persistence, and app stability to enable fast product development across the company.
Build and own backend platform systems, APIs, and data-quality tooling that power shipping and logistics workflows at Whatnot, a live shopping marketplace. The role focuses on source-of-truth logistics data, observability, and operational debugging surfaces.
Builds backend systems and APIs for push, email, SMS, and in-app messaging at a fast-growing live-shopping marketplace, ensuring reliable, scalable, and user-trusted communications.
Builds and maintains the core financial infrastructure for Whatnot’s live commerce platform, handling billions in transactions monthly—taxes, fees, payouts, and cross-border logistics—while scaling systems to support global marketplace growth.
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