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Whatnot Tech Stack

Livestream shopping marketplace with multi-category seller and buyer network

Technology, Information and Internet Los Angeles, California 501–1,000 employees Founded 2019 Privately Held

Whatnot operates a livestream commerce platform across US, UK, and European markets, with engineering-heavy hiring (158 roles) concentrated in infrastructure and ML. Active projects around inference infrastructure, real-time systems, and bi-directional data sync across marketplace and ERP indicate a shift toward AI-powered seller tools and enterprise-grade operational systems—addressing stated pain points in AI scaling and seller ROI.

Tech Stack 58 technologies

Core StackJavaScript React Next.js NetSuite Salesforce Python Elixir Zendesk Looker Intercom Swift AWS PostgreSQL Ashby Figma Kotlin Jetpack Compose Slack HTML CSS SQL Kustomer iOS WebRTC LinkedIn Protopie Framer Android Google Workspace GPU+28 more

AdoptingRAG NetSuite Salesforce Workday Next.js

What Whatnot Is Building

◆Challenges

Scaling ai infrastructure
Improving code quality
Improving operational performance
Improving seller roas
Category growth
Growing sellers and buyers
Fraud mitigation
Maintaining marketplace integrity
Transaction modelling tax
Improving recruiting efficiency

▲Active Projects

Data pipelines
Building systems at scale that help us deliver a high trust marketplace experience
Seller tools for livestream interaction
Semi-annual compensation cycles
Inference infrastructure for large models
Formalize early stage channels playbooks
Bi-directional data synchronization across marketplace, ecommerce, erp, and other enterprise systems
Ml model deployment
Real-time systems
Storage infrastructure

Hiring Activity

Steady410 roles · 120 in 30d

Department

Engineering

158

Sales

40

HR

29

Ops

27

Product

27

Marketing

22

Support

18

Security

16

Seniority

Senior

204

Mid

91

Manager

28

Lead

26

Director

24

Junior

24

Intern

10

Staff

4

Notable leadership hires: Head of IT, Creative Director, Associate Creative Director, Real Estate Lead, Head Policy

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About Whatnot

Whatnot is a livestream shopping marketplace where buyers and sellers transact across hundreds of product categories including collectibles, fashion, electronics, and beauty. Founded in 2019, the company operates with distributed hubs across the US, UK, Ireland, Poland, Germany, and Japan, employing 501–1,000 people. The platform runs on a modern tech stack (React, Next.js, PostgreSQL, AWS, WebRTC) and is actively investing in ML infrastructure, real-time transaction systems, and marketplace integrity tooling. Current hiring focuses on engineering, with secondary capacity in sales and operations.

HeadquartersLos Angeles, California

Company Size501–1,000 employees

Founded2019

Hiring MarketsUnited States, United Kingdom, China, Ireland, Australia, Germany, Poland, Japan

Frequently Asked Questions

What tech stack does Whatnot use?

Whatnot uses React, Next.js, JavaScript, PostgreSQL, AWS, and WebRTC as core components, with Python and Elixir for backend services. They also run Salesforce, NetSuite, Looker, and Kustomer for business operations and customer support.