Company profile

Sleeper Tech Stack

Social fantasy sports and picks app for fans across mobile and web

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

Sleeper runs a social sports app for fans, built on a polyglot backend (Go, Python, Node.js, Elixir, Java) with Kafka, RabbitMQ and Pub/Sub messaging across AWS and GCP. AI media tools like Runway, Midjourney and ElevenLabs point to a push toward AI-generated short-form content. Lifecycle marketing is being built from scratch in Braze, while accelerating hiring tilts toward engineering, design and marketing.

Tech Stack 47 technologies

Core StackGo Python Node.js Java Kafka RabbitMQ Elixir AWS Docker Kubernetes Adobe Premiere Pro Braze Iterable Customer.io Figma Adobe Creative Cloud React TypeScript Tailwind CSS Next.js GraphQL React Native Pub/Sub GCP Runway Midjourney ElevenLabs CapCut React Query React Navigation+16 more

What Sleeper Is BuildingChallenges and projects from their job posts

◆Challenges

Building lifecycle program with email deliverability issues
Improving user segmentation and targeting
Improving user onboarding
Scaling content production
Reducing bug resolution time
Capturing product feedback

▲Active Projects

Core picks systems development
AI-generated short-form content production pipeline
Braze lifecycle program for tentpole sports moments
Design experiences across iOS, Android, web, tablet
Engagement metrics monitoring

Hiring Activity

Accelerating15 roles · 6 in 30d

Department

Engineering

Design

Marketing

Support

Research

Seniority

Senior

Mid

Intern

Junior

Manager

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About Sleeper

Sleeper is a privately held company founded in 2014 and headquartered in Las Vegas, Nevada. It builds a social app where sports fans play fantasy sports, chat and follow games together with friends. The product spans iOS, Android, web and tablet, built with React Native, React, Next.js, TypeScript and GraphQL. The company employs 51–200 people and hires in the United States and Canada.

HeadquartersLas Vegas, Nevada

Company Size51–200 employees

Founded2014

Hiring MarketsUnited States, Canada

Frequently Asked Questions

What tech stack does Sleeper use?

Sleeper uses Go, Python, Node.js, Elixir and Java on the backend, Kafka, RabbitMQ and Pub/Sub for messaging, AWS and GCP with Docker and Kubernetes, and React, Next.js, React Native and GraphQL on the frontend.

Is Sleeper hiring?

Yes. Hiring is accelerating across engineering, design, marketing, support and research, with most openings at senior level, in the United States and Canada.

What is Sleeper working on?

Sleeper is developing its core picks systems, an AI-generated short-form content pipeline, a Braze-based lifecycle program, and product experiences across iOS, Android, web and tablet.

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How this profile is built

Sleeper's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.