Senior Back End Engineer
PrizePicks
full-time
Posted on:
Location Type: Remote
Location: United States
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Salary
💰 $170,000 - $185,000 per year
Job Level
About the role
- 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 practices around code quality, testing, observability, and deployment for your team.
- Collaborate cross-functionally: Work closely with Product Managers, Designers, QA, and other engineering teams to translate product 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 significant time building production Ruby on Rails applications
- Proven track record of owning and delivering complex, multi-component features in a team environment
- Experience designing and operating backend systems that handle significant scale and complexity
- Expert-level Ruby on Rails proficiency
- Strong proficiency with PostgreSQL, including schema design, query optimization, and performance tuning at scale
- Solid understanding of API design — RESTful services, serialization strategies, and versioning
- Experience with background job processing (Sidekiq or similar) and asynchronous workflows
- Experience with containerization (Docker) and orchestration (Kubernetes)
- Familiarity with CI/CD pipelines and deployment automation
- Understanding of observability practices — logging, metrics, tracing
- Working knowledge of Go
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
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
Ruby on RailsPostgreSQLAPI designRESTful servicesbackground job processingSidekiqDockerKubernetesCI/CD pipelinesGo
Soft Skills
technical deliverymentorshipcollaborationcommunicationproblem-solvingleadershipcode reviewstechnical guidanceadvocacy for best practicesroot cause analysis