Lead Backend Architect: Real-Time, Low-Latency Systems

Comcast Advertising; Colorado; On-site; USD 160,000 - 240,000; Full time

Job summary

Comcast Advertising’s FreeWheel unit seeks a Lead Software Engineer to shape the Buyer Cloud Ad Serving platform, a high-throughput, low-latency backend. You will own architecture and drive scalable design across teams.

This is a principal IC role focused on performance, reliability, and operational excellence. You will mentor engineers, set engineering standards, and partner with Product, SRE, Data to align strategy with business goals.

Qualifications

• Requires 13+ years of software engineering experience.
• 2+ years in Staff or Lead Engineer role.
• Expert in low-latency backend systems and distributed architectures.

Responsibilities

• Lead end-to-end architecture of scalable backend services.
• Drive platform reliability, scalability, and operational excellence.
• Collaborate with Product, SRE, and Data Engineering on roadmaps.
• Mentor engineers through design reviews and code reviews.

Skills

Architectural leadership

Distributed systems design

Performance optimization

Mentorship

Education

Bachelor's or Master’s in Computer Science or related field

Tools

C++

Go

Java

Rust

Job description

Comcast Advertising’s FreeWheel unit seeks a Lead Software Engineer to shape the Buyer Cloud Ad Serving platform, a high-throughput, low-latency backend. You will own architecture and drive scalable design across teams.

This is a principal IC role focused on performance, reliability, and operational excellence. You will mentor engineers, set engineering standards, and partner with Product, SRE, Data to align strategy with business goals.