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Comcast

Backend .NET Engineer

Comcast

Philadelphia, PA · Mid

Listed on Comcast’s own careers site. You apply with them directly — we never stand between you and the employer.

What this role is

Backend engineer role building high-stakes .NET services for Comcast's enterprise platforms using specification-driven development with AI assistance. Suits mid-level engineers who want end-to-end ownership of production systems and prefer working from detailed specs before coding.

Our summary, not Comcast’s wording. The full posting is on their site.

Skills this role names

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What they ask for

Required

  • 5–7 years of backend software development
  • Proficiency in C# and .NET stack with ASP.NET Core Web API
  • Experience designing REST APIs and relational databases (SQL, Entity Framework Core)
  • Knowledge of CI/CD, automated testing, and version control with Git
  • Experience with at least one cloud platform (Azure preferred)
  • Strong collaboration and communication skills
  • Bachelor's degree or equivalent combination of coursework and professional experience

Nice to have

  • Direct OpenSpec or comparable spec-driven development experience
  • Experience with AI-native development tools like OpenSpec or GitHub Spec Kit
  • Comfort with specification-first workflows

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