Senior Back End Engineer
Confirmed live in the last 24 hours
PrizePicks (daily fantasy sports)
Job Description
At PrizePicks, we are the fastest-growing sports company in North America, as recognized by Inc. 5000. As the leading platform for Daily Fantasy Sports, we cover a diverse range of sports leagues, including the NFL, NBA, and Esports titles like League of Legends and Counter-Strike. Our team of over 550 employees thrives in an inclusive culture that values individuals from diverse backgrounds, regardless of their level of sports fandom. Ready to reimagine the DFS industry together?
Overview
At PrizePicks, we are changing the game in daily fantasy sports. We are a passionate team of innovators dedicated to creating a best-in-class experience for our members. Our engineering team builds and scales the platform that powers our explosive growth — from real-time contest engines to the services that handle millions of daily transactions. We are looking for a Senior Software Engineer to join our Checkout & Gameplay team and help us continue to build the future of fantasy sports.
Job Summary
We are seeking an experienced Senior Software Engineer with deep expertise in Ruby on Rails to join our Checkout & Gameplay team. In this role, you will design, build, and own critical Rails-based backend services that power PrizePicks’ core platform, including our checkout, game types, and validation services. You will tackle high-scope, complex technical problems, define the technical path from product idea to production, and mentor engineers across your team and the organization. This is a role for someone who thrives on solving hard backend problems and wants to have a direct impact on a product used by millions.
What You’ll Do
- Design and build backend services: Architect and implement Rails-based services that are performant, scalable, and reliable, supporting high-throughput workloads and complex business logic.
- Own technical delivery: Lead the technical design and implementation of complex features end-to-end — from product requirements through deployment and monitoring.
- Drive system reliability: Diagnose and resolve performance bottlenecks, optimize database queries, and improve the resilience of backend systems under load.
- Define technical direction: Propose and drive architectural decisions for your team’s services, evaluating tradeoffs and communicating recommendations clearly.
- Mentor and elevate: Provide hands-on mentorship to Software Engineers I, II, and III on your team and in the organization through code reviews, pairing, and technical guidance.
- Improve engineering practices: Define, advocate for, and improve best pr
