COMPANY PROFILE · UPDATED 18 NOV 2025

Sleeper

Sleeper is playing fantasy leagues with friends, colleagues, and family. https://sleeper.app or find us on iOS and Android by searching for \'Sleeper\'

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Founded: 2015
Headcount: 72
Open roles: 18
Last raised: Series C · Sign in to view

TECH STACK

How Sleeper builds

Extracted from Sleeper’s job postings we’ve tracked

Programming Languages

Python×4 Go×3 Java×3 TypeScript×3

Frameworks & Libraries

GraphQL×6 Node.js×3 React×3

Mobile

Android×4 iOS×4 React Native×2

Databases

SQL×5 NoSQL×3

Cloud Platforms

Amazon Web Services×3 Google Cloud×3

Data Engineering & Warehousing

Apache Kafka×3 RabbitMQ×3

DevOps & Infrastructure

Docker×3 Docker/Kubernetes×3

CRM & Sales Tools

Braze×2

Other Software & Platforms

Adobe Creative Cloud

LEADERSHIP

Founders & key people

Nan Wang

CEO at Sleeper

SleeperNeuberger BermanChina InvestmentFidelity InvestmentsThe Northwestern Mutual Life Insurance CompanyBlitz StudiosThe Tuck School of Business at DartmouthDartmouth CollegeUniversity of Pretoria

Ken Wang

Founder at Sleeper

SleeperVevoDecore-Ative SpecialtiesGenexUniversity of California BerkeleyWashington Mutual Card ServicesUniversity of California BerkeleyCerritos College