Sleeper Tech Stack

Social sports platform with real-time fantasy contest infrastructure

Spectator Sports Las Vegas, Nevada 51–200 employees Founded 2014 Privately Held

Sleeper operates a mobile-first social sports platform centered on fantasy contests and real-time multiplayer gameplay. The tech stack—Go, Python, Node.js, Kafka, RabbitMQ, GraphQL—reflects a backend built for concurrency and low-latency messaging, reinforced by active pain points around handling millions of concurrent users and system performance at scale. Engineering-led hiring and an active real-time contest engine project signal the company is prioritizing infrastructure stability over feature velocity.

Tech Stack 26 technologies

Core StackGo Python Node.js Java Kafka RabbitMQ Tableau Amplitude Figma React Native TypeScript JavaScript GraphQL Adobe Illustrator After Effects NetSuite iOS Android X Pub/Sub React Query React Navigation Reanimated Photoshop SQL Excel

What Sleeper Is Building

◆Challenges

Large company size
Scaling core systems
Handling millions of concurrent users
Optimizing system performance
Bug and usability issues
User onboarding
Performance issues
Data caching issues
Risk and liability management
Real-time odds monitoring

▲Active Projects

Real-time contest engine
Secure seamless payments
Fantasy contest backend
Create and manage tiktok content for a specific nfl team
Fraud review of player deposit and withdrawal transactions
Support interdepartmental needs for dfs product
Mobile platform modernization
Social media ads design
Product asset creation
Brand storytelling visuals

Hiring Activity

Steady10 roles · 4 in 30d

Department

Engineering

Marketing

Data

Design

Finance

Support

Seniority

Senior

Junior

Mid

Intern

Staff

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About Sleeper

Sleeper is a social sports platform enabling users to play fantasy contests and participate in sports-focused social experiences with friends. Founded in 2014 and based in Las Vegas, the company serves sports fans through iOS and Android applications. The product surfaces multiple revenue and engagement paths: daily fantasy contests, social messaging, and integrated media content (including team-specific content creation). Operations span payments processing, fraud monitoring, user onboarding, and real-time odds delivery—all critical to maintain trust and uptime in a competitive fantasy sports market.

HeadquartersLas Vegas, Nevada

Company Size51–200 employees

Founded2014

Hiring MarketsUnited States, Peru, Syria, Italy

Frequently Asked Questions

What tech stack does Sleeper use?

Sleeper's backend runs on Go, Python, Node.js, Kafka, and RabbitMQ for real-time messaging. Frontend uses React Native, TypeScript, and GraphQL. Data and analytics rely on Tableau and Amplitude.

Where is Sleeper headquartered?

Sleeper is headquartered in Las Vegas, Nevada. The company was founded in 2014 and is privately held with 51–200 employees.