Software Backend Engineer

FULLY REMOTE NY LLC

United States

3 months ago

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Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Experience level

Experienced

Experience required

3 years minimum

Compensation

$140,000.0 - $185,000.0

Working hours

Regular working hours

Job source

welcometothejungle.com

Tech stack

Java (Programming Language) Amazon Web Services Cloud Computing Code Review Databases Distributed Systems Python (Programming Language) Node.Js NoSQL Performance Tuning Queueing Systems RabbitMQ

+16 more

Software Engineering SQL Databases Real Time Systems System Availability Caching Backend Build Management Kubernetes Low Latency Apache Kafka Graphql Front End Software Development Restful APIs Docker Elixir Golang

Job description

We’re looking for a Software Engineer - Backend to help us scale the core systems behind our fantasy sports and DFS (Daily Fantasy Sports) offerings
In this role, you’ll build and own critical backend services, and collaborate with fellow engineers as we scale to support tens of millions of passionate sports fans
You’ll collaborate cross-functionally to bring innovative features to life-from real-time contest engines and game logic to personalized content and secure, seamless payments
You’ll own significant parts of the backend stack and help raise the bar for performance, scalability, and reliability at Sleeper
Design and build core backend systems that power Sleeper’s games and real-time user experiences-fantasy contests, Sleeper Picks, user profiles, leaderboards, and more
Build scalable, distributed systems capable of handling millions of concurrent users with low latency and high availability
Own backend initiatives from concept to deployment, ensuring clean interfaces, well-documented services, and resilient infrastructure
Optimize system performance and proactively address bottlenecks through monitoring, profiling, and capacity planning
Collaborate cross-functionally with product, design, and frontend teams to deliver features that users love
Contribute thoughtful code reviews and help strengthen backend engineering best practices and standards

Requirements

Proven ability to build and scale distributed systems that serve millions of users in real-time or gaming environments
Comfortable designing and maintaining RESTful and/or graphql APIs, data models, and internal tooling
Cloud experience (AWS, GCP, or similar), with familiarity with containers (Docker) and orchestration (Kubernetes a plus)
Strong proficiency in one or more backend languages (e.g., Go, Python, Node.js, Java), and an understanding of trade-offs between them
Bonus: Passion for sports, gaming, or building multiplayer or real-time systems
Bonus: Proficiency in Elixir
Excellent communication and collaboration skills
Strong product mindset-you care about the why, not just the how, and you build with users in mind
3+ years of backend software engineering experience
Solid knowledge of databases (both SQL and NoSQL), caching strategies, and message queues (e.g., Kafka, RabbitMQ, Pub/Sub)