Comcast Careers

CDN Software Engineer, VIPER

Denver, CO
Other (Telecommunications)

Job Description

Business Unit:

We are looking for engineers to join our Content Delivery team.Do you love to build massive, distributed, and amazing systems? Are you passionate about open source software, and building systems using it? Do you like to add immediate, tangible business value?

As an engineer in the CDN team, you will help build the infrastructure and develop software to support the systems that deliver IP content for a wide range of mobile and first-screen television devices. As part of the larger Comcast engineering teams, you will help shape the next generation of IP content delivery and transform the customer experience. Using the tenets of DevOps, you will have the opportunity to own the entire stack, from architecture to production.

Who does the CDN engineer work with?

Traffic Control is the Open Source CDN control plane for which we lead the development, and this project represents our primary focus. Want to learn more? Visit you will find the documentation, source code, and every open bug. We're a small team, delivering state-of-the-art software solutions at the leading edge of CDN technology.

What are some interesting problems you'll be working on?

We deliver petabytes of traffic and billions of transactionsevery day. Oursoftwareinfrastructure is crucial in analyzing this data to visualize trends, and enable deep-diving into issues.

Where can you make an impact?

Thinking out of the box and consideringthe customerexperience are key to our success. We never want to impact service unless it is in a positive manner. We need additional team members to followtheir passion of coding andcontribute to the delivery code at the heart of many organizations!


Design new software applications, support applications under development, and customize existing applications.

Develop software update process for existing applications. Assist in the rollout of software releases.

Collaboratewith project stakeholders to identify product and technical requirements. Conducts analysis to determine integration needs.

Diagnose performance issues and propose and implement code improvements.

Ensure the software architecture is lean and extensible.

Ensure software modules are reliable for reuse.

Workwith Quality Assurance team to determine if applications fit specification and technical requirements.

Here are some of the specific technologies we use for Traffic Control:

  • Go (golang)

  • C

  • C++

  • Java

  • Linux (CentoOS)

  • Git

  • Apachehttpd

  • Perl

  • PostgreSQL

  • InfluxDB

  • OpenStack

Preferred Skills:

  • BS in Computer Science and4+ years equivalent experience

  • Experience developing softwarewithGo(2+ years)

  • Experience developing softwareforlarge, distributed systems

  • Experience developing software for networking, DNS, HTTP, and TCP/IP

  • Knowledge of data structures, design patterns, and algorithms

  • ExperiencewithOO programming languagessuch asJava or C/C++ishighly desired

  • An open mind and a passion for coding excellence

  • Great design andproblem-solvingskills, with a strong bias for architecting at scale

  • Strong troubleshooting andproblem-solvingskills, adaptable, proactive and willing to take ownership

  • Good communicator; able to analyze and clearly articulate complex issues and technologies understandably and engagingly

  • Able to work in a fast-paced environment

About the CDN Team:

The CDN team is a quasi-startup group within Comcast's Technology,ProductandXperienceDivision and is based in Denver's LoDo district. Our technology is open-source based, and our products deliver video and other content over IP infrastructure to an array of connected devices in and out of the home.

Comcast is an EOE/Veterans/Disabled/LGBT employer