Comcast
Sr. Software Engineer -4 Days ONSITE- Englewood, CO or Reston, VA - FreeWheel
$136K–$213K
VA - Reston, 11951 Freedom Dr Ste 900 +1 · Senior · Full-time · Posted Sep 18, 2026
- Location
- VA - Reston, 11951 Freedom Dr Ste 900
CO - Englewood, 183 Inverness Dr West - Experience
- 7-10 years of relevant work experience; ideal skillset also states 4+ years of professional experience with compiled languages, databases, and network programming.
- Education
- Bachelor's Degree preferred; Comcast may consider coursework and experience, or extensive related professional experience.
About the job
Develops and owns software for FreeWheel’s ad-serving systems, which process ad auctions and execute bidding strategies at scale.
What you'll do
- Design, develop, maintain, troubleshoot, and deploy cloud-based servers and distributed systems.
- Build and improve C++ software and architecture; optimize algorithms and document development.
- Provide technical leadership, review code, mentor junior engineers, and collaborate with stakeholders and QA.
What they ask for
- 4+ years of professional experience with compiled languages, databases, and network programming.
- Solid understanding of object-oriented programming concepts.
- Proficiency with code versioning tools such as Git.
- Strong analytical, debugging, troubleshooting, and communication skills.
Nice to have
- C++ experience is preferred.
- Go Lang or Ad Tech experience is a plus.
Pay
USD $141,850.78 - $212,776.16 base salary (Virginia); USD $135,683.35 - $212,776.16 base salary (Denver Campus)
Tools
C++, Git, Go Lang, Linux, Snowflake, Aerospike
Model-written summary · the original posting is authoritative