Senior Software Engineer

Play On is looking for a Senior Software Engineer to build and scale systems powering web experiences used by millions of high school sports fans. This role is embedded in a product development team and combines strong backend delivery ownership with hands‑on implementation of AI‑driven, agentic development workflows.

You’llfocus primarily on backend architecture and delivery, partnering closely with product andengineeringteams to apply AI‑driven automation that improves flow from product vision through implementation and delivery while increasing speed and software quality.

• Build,maintain, and improve APIs and services powering public‑facing applications
• Deliver performant, reliable backend solutions aligned to product requirements
• Drive backend architecture and API design decisions that improve scalability, resiliency, and maintainability
• Lead modernization efforts, including migrations, framework/runtime upgrades, and technical debt reduction
• Improve site stability through proactive monitoring, incident response, and operational hardening
• Increase engineering efficiency and quality through practical AI‑driven workflows and measurable improvements in cycle time, defect reduction, and release confidence

• Develop modern backend services using C# .NET, SQL, and AWS

• Own features end-to-end: architecture and design, implementation, testing,observability, and operational readiness
• Plan and execute backend migrations, platform upgrades, and modernization initiatives with minimal risk
• Optimizeandmonitor
  
  PostgreSQL workloads, including query performance, indexing, and database health trends
• Build and refine agentic workflows integrated with issue tracking, source control,development,CI/CD,and automated testing
• Collaborate with product managers, designers, frontend engineers, system engineers, and SREs to deliver production outcomes
• Troubleshoot complex production issues and improve long‑term reliability and maintainability

• 5+ years of professional software engineering experience, including backend web application development
• Proven hands‑on experience implementing AI‑driven / agentic software development workflows (beyond basic AI‑assisted coding)
• Strongexpertisein C# .NET, SQL, REST APIs, backend architecture, and service design
• Hands‑on experience with the design, deployment, and operational management of AWS‑based solutions
• Demonstrated experience with backend performance tuning, production stability, and operational ownership
• Solid PostgreSQL experience, including query tuning, indexing, and performance monitoring
• Experience with CI/CD pipelines, automated testing, and Git/Git Hub workflows
• Ability to work effectively in a collaborative, agile, team‑oriented environment
• Bachelor’s in Computer Scienceor equivalent experience preferred
  NICE TO HAVES

• Frontend development experience and interest in applying AI‑driven automation to frontend workflows
• Proficiency with load testing,observability, and reliability engineering practices
• Familiarity with CDNs such as Cloud Front, Akamai, or Fastly
• Experience working onhigh‑traffic public‑facing websites
• Knowledge of or interest in sports, sports management, and statistics

• Ownership over Participation
  – You take responsibility for achieving holistic outcomes, prioritize key objectives, and adapt quickly when situations require a different approach. You follow through even against the toughest challenges.
• Team over Stars
  – You are a bridge builder, establishing processes and relationships with teams outside your own. You work to rally around common goals, find win‑win solutions, compromise when necessary, and help others succeed.
• Growth over Comfort
  – You are driven by a desire to grow and actively seek opportunities to expand your comfort zone, skills, and confidence. You embrace new challenges with curiosity, accepting discomfort and failure as opportunities to learn.
• Fairness over Popularity
  – You approach decisions with a scientist’s mindset, challenging your assumptions and remaining objective. You consider long‑term impact rather than relying on short‑term gains, proactively seek others’ perspectives, and manage emotions in decision‑making.