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PlayOn

Senior Software Engineer

PlayOn • US
C# Remote
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PlayOn 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’ll focus primarily on backend architecture and delivery, partnering closely with product and engineering teams to apply AI-driven automation that improves flow from product vision through implementation and delivery while increasing speed and software quality. 

 The outcomes you’ll deliver 

  • 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 

In this role, you can expect to

  • 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 

    • Optimize and monitor 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 

    To thrive in this role, you have

    • 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) 

    • Strong expertise in 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/GitHub workflows 

    • Ability to work effectively in a collaborative, agile, team-oriented environment 

    • Bachelor’s in Computer Science or 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 CloudFront, Akamai, or Fastly 

      • Experience working on high-traffic public-facing websites 

      • Knowledge of or interest in sports, sports management, and statistics 

    How You Play

  • 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.
    • Apply Now