Senior Back End Engineer – Ruby on Rails, GO

🔥 5 hours ago

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PrizePicks

WebsiteLinkedInAll Job Openings

201 - 500 employees

🎮 Gaming

⚽ Sports

Gaming • Sports

PrizePicks is an innovative platform that offers a dynamic and interactive way to engage in daily fantasy sports and esports. Users can make predictions on player performances across various sports, including NFL, NBA, MLB, CFB, and more, with the opportunity to win up to 1000x their entry fee. PrizePicks operates legally in 43 U. S. states, Washington D. C. , and Canada, providing a wide range of betting options, including Pick 'Em and Pick 'Em Arena, where users compete against each other for cash rewards. The company emphasizes user engagement with features such as recurring promos and the Streak game, which is free to play and allows participants to earn by building daily win streaks. PrizePicks ensures secure transactions and fast payouts, enhancing user experience and satisfaction in the sphere of real money sports betting.

📋 Description

• Build and own backend services: Design and implement features across both Rails-based services and Go microservices — from API contracts through deployment and monitoring. • Support the migration to microservices: Help decompose the Rails monolith into well-scoped, independently deployable services, contributing to architectural decisions about what to extract and how. • Power internal tooling APIs: Build and maintain the backend APIs that Back Office operators depend on for real-time decisioning — projection management, risk dashboards, alerting, and member operations. • Own technical delivery: Lead the design and implementation of complex features end-to-end, from product requirements through production deployment. • Drive system reliability: Diagnose and resolve performance bottlenecks, optimize database queries, and improve 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 to engineers and stakeholders. • Mentor and elevate: Provide hands-on mentorship to Software Engineers I, II, and III through code reviews, pairing, and technical guidance. • Improve engineering practices: Advocate for and improve best practices around code quality, testing, observability, and deployment for the team. • Collaborate cross-functionally: Work closely with Product Managers, QA, and other engineering teams to translate operational goals into well-scoped technical solutions. • Participate in on-call rotation: Share responsibility for production incidents, contributing to root cause analysis and long-term reliability improvements.

🎯 Requirements

• 5–8 years of professional software engineering experience, with meaningful production time in both Ruby on Rails and Go • Proven track record of owning and delivering complex, multi-component features in a team environment • Experience working across monolith-to-microservices migrations, extracting services, managing dual-write patterns, and maintaining backward compatibility • Experience designing and operating distributed systems or event-driven architectures • Strong Rails proficiency — you understand the framework deeply, write idiomatic Ruby, and know when to leverage or work around Rails conventions • Strong Go proficiency — you write idiomatic, well-tested, production-quality Go code • Solid PostgreSQL skills, including schema design, query optimization, and performance tuning • Solid understanding of API design (REST and/or gRPC) and service boundary design • Experience with asynchronous workflows — background job processing (Sidekiq or similar), message queues, or event streaming • Experience with containerization (Docker) and orchestration (Kubernetes) • Familiarity with CI/CD pipelines and deployment automation • Understanding of observability practices — logging, metrics, tracing

🏖️ Benefits

• Company-subsidized medical, dental, & vision plans • 401(k) plan with company match • Annual bonus • Flexible PTO to encourage a healthy work/life balance (2 weeks STRONGLY encouraged!) • Generous paid leave programs, including 16-week paid parental leave and disability benefits • Workplace flexibility and modern work schedules focused on getting the job done, not hours clocked • Company-wide in-person events and team outings • Lifestyle enhancement program • Company equipment provided (Windows & Mac options) • Annual performance reviews with opportunities for growth and career development