Job Overview
Location
San Francisco
Job Type
Full-time
Category
Backend Engineer
Date Posted
May 10, 2026
Full Job Description
đź“‹ Description
- • As a Software Engineer, Backend at Sleeper Technologies, you will design and build core backend systems that power fantasy sports and real-time user experiences, including fantasy contests, Sleeper Picks, user profiles, and leaderboards, directly impacting how millions of sports fans engage with the platform.
- • You will build scalable, distributed systems capable of handling millions of concurrent users with low latency and high availability, owning backend initiatives from concept to deployment while ensuring clean interfaces, well-documented services, and resilient infrastructure.
- • You will collaborate cross-functionally with product, design, and frontend teams to deliver innovative features such as real-time contest engines, game logic, personalized content, and secure payments, while contributing to code reviews and strengthening backend engineering best practices.
- • You will optimize system performance through monitoring, profiling, and capacity planning, proactively addressing bottlenecks to maintain reliability and scalability as Sleeper scales to support tens of millions of users.
- • You will work in a lean, passionate, and product-driven team backed by top-tier investors like Andreessen Horowitz and General Catalyst, where your contributions have massive impact and you are trusted to make high-leverage decisions in a fast-moving startup environment.
- • You will grow your expertise in cloud technologies (AWS/GCP), containers (Docker), orchestration (Kubernetes), and modern backend languages (Go, Python, Node.js, Java), while deepening your understanding of databases, caching, message queues, and API design in a real-time gaming context.
🎯 Requirements
- • 3+ years of backend software engineering experience
- • Proven ability to build and scale distributed systems serving millions of users in real-time or gaming environments
- • Strong proficiency in one or more backend languages (e.g., Go, Python, Node.js, Java)
- • Solid knowledge of databases (SQL and NoSQL), caching strategies, and message queues (e.g., Kafka, RabbitMQ, Pub/Sub)
- • Experience designing and maintaining RESTful and/or GraphQL APIs, data models, and internal tooling
- • Cloud experience (AWS, GCP, or similar) with familiarity with Docker and Kubernetes (a plus)
- • Strong product mindset with excellent communication and collaboration skills
- • Bonus: Proficiency in Elixir
- • Bonus: Passion for sports, gaming, or building multiplayer or real-time systems
🏖️ Benefits
- • Competitive salary ($140,000–$185,000/year) plus equity
- • Comprehensive medical, dental, and vision insurance
- • 401(k) plan
- • Generous PTO and flexible remote work policy
- • Opportunities for fast career growth in a high-impact role
- • Small, focused team where your contributions truly matter
Skills & Technologies
About Sleeper Technologies, Inc.
Sleeper Technologies operates a fantasy sports platform that combines league management with chat-based social interaction. The company offers season-long and daily fantasy games for NFL, NBA, college football and basketball, and esports, letting commissioners customize scoring, rosters and payouts. Its mobile-first interface integrates real-time messaging, trading, news alerts, and voice or video calls within each league, aiming to keep friends engaged year-round. Sleeper monetizes through optional premium cosmetics, league upgrade fees and sportsbook integrations while remaining free for core play.
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