Senior Back End Engineer – Ruby on Rails, GO

🕒 August 9

🇺🇸 United States – Remote

💵 $175k - $185k / year

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 21%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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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

• Design and implement backend features across Rails-based services and Go microservices, from API contracts through deployment and monitoring • Help decompose the Rails monolith into independently deployable services and contribute to architectural decisions • Build and maintain Back Office APIs for projection management, risk dashboards, alerting, and member operations • Lead complex feature design and implementation end-to-end, from product requirements through production deployment • Diagnose performance bottlenecks, optimize database queries, and improve backend resilience under load • Propose and drive architectural decisions, evaluate tradeoffs, and communicate recommendations • Mentor Software Engineers I, II, and III through code reviews, pairing, and technical guidance • Improve practices around code quality, testing, observability, and deployment • Collaborate with Product Managers, QA, and engineering teams to translate operational goals into technical solutions • Participate in the on-call rotation, 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, including deep framework knowledge and idiomatic Ruby • Strong Go proficiency with 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, including background job processing, message queues, or event streaming • Experience with Docker and Kubernetes • Familiarity with CI/CD pipelines and deployment automation • Understanding of observability practices, including logging, metrics, and tracing • Comfortable working autonomously with minimal direction on ambiguous problems • Effective communicator with engineers and non-technical stakeholders • Able to context-switch between deep technical work and collaborative planning • Experience working in a fully remote engineering organization • Must be authorized to work for any employer in the U.S.; employment visa sponsorship is unavailable

🏖️ 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