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Salary
$130k – $194k per year
Location
In office (Chicago)
Seniority
Senior · 7+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 14, 2026. First seen by Alion on Oct 4, 2026. Comcast scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Comcast is an American media and telecommunications group founded in 1963 that grew from a single cable system in Mississippi into the largest broadband provider in the United States. Its connectivity business supplies internet, video, mobile and business services under the Xfinity brand, and it owns NBCUniversal, which combines broadcast and cable networks, the Universal film and television studios, the Peacock streaming service and theme parks, alongside the British operator Sky. Headquartered in Philadelphia and listed on Nasdaq, it separated most of its cable networks into a standalone company in 2025.
FreeWheel, a Comcast company, provides comprehensive ad platforms for publishers, advertisers, and media buyers. Powered by premium video content, robust data, and advanced technology, we’re making it easier for buyers and sellers to transact across all screens, data types, and sales channels. As a global company, we have offices in nine countries and can insert advertisements around the world.

Job Summary

FreeWheel’s mission is to build great advertising software. We offer the most extensible and transparent advertising buying platform in the world, operating at a massive global scale. We don’t just operate a Demand Side Platform (DSP) - we are the platform that powers hundreds of DSPs! As a result, we process trillions of transactions to satisfy millions of dollars’ worth of advertising campaigns every month. Our employees enjoy a culture of transparency and one with many challenging problems to solve. We value moving fast, building high-quality reliable software, and supporting each other in the service of driving success for our customers’ businesses.

Buyer Cloud (formerly Beeswax) is responsible for building and maintaining the services necessary to set up, configure, manage, monitor, and execute DSP digital real-time bidding campaigns. The App team focuses on APIs, support tools, and ad serving systems, supporting FreeWheel Engineering by enabling efficient and scalable programmatic advertising operations.

We are looking for a Sr Backend Python Developer to join our team. You will be responsible for planning and designing new software and web applications. Analyze tests and assists with the integration of new applications. Oversee the documentation of all development activity. Train non-technical personnel. Assist with tracking performance metrics. Provide guidance and support to other engineers. Integrate knowledge of business and functional priorities. Act as a key contributor in a complex and crucial environment.

Job Description

Responsibilities:

  • Collaborates with project stakeholders to identify product and technical requirements. Conducts analysis to determine integration needs.
  • Designs new software and web applications, supports applications under development and customizes current applications. Develops software update processes for existing applications. Assists in the roll-out of software releases.
  • Trains junior Software Development Engineers on internally developed software applications.
  • Oversees the researching, writing and editing of documentation and technical requirements, including software designs, evaluation plans, test results, technical manuals and formal recommendations and reports.
  • Keeps current with technological developments within the industry. Monitors and evaluates competitive applications and products. Reviews literature, patents and current practices relevant to the solution of assigned projects.
  • Assists with technical leadership throughout the design process and assists in guidance with regards to practices, procedures and techniques. Serves as a guide mentor for Software Development Engineers.
  • Assists in tracking and evaluating performance metrics. Ensures team delivers software on time, to specification and within budget.
  • Works with Quality Assurance team to determine if applications fit specification and technical requirements. Tests and evaluates systems, subsystems and components.
  • Acts as a technical contact and liaison for outside vendors and/or customers.
  • Presents and defends architectural, design and technical choices to internal and external audiences.
  • Consistent exercise of independent judgment and discretion in matters of significance.
  • Regular, consistent and punctual attendance. Must be able to work nights and weekends, variable schedule(s) as necessary.
  • Other duties and responsibilities as assigned.

The Ideal Skillset:

  • 4+ Years of experience working with Python and Django.
  • Experience creating/developing RESTful API's using Django.
  • Experience with PHP
  • Experience with Kubernetes/EKS, AWS, owning production deployments at scale for critical backend services.
  • Bachelor's degree in Computer Science or relatable technical field or experience equivalent.

BONUS POINTS:

  • AdTech or Advertising experience.

Employees at all levels are expected to:

  • Understand our Operating Principles; make them the guidelines for how you do your job.
  • Own the customer experience think and act in ways that put our customers first, give them seamless digital options at every touchpoint, and make them promoters of our products and services.
  • Know your stuff be enthusiastic learners, users and advocates of our game-changing technology, products and services, especially our digital tools and experiences.
  • Win as a team make big things happen by working together and being open to new ideas.
  • Be an active part of the Net Promoter System a way of working that brings more employee and customer feedback into the company by joining huddles, making call backs and helping us elevate opportunities to do better for our customers.
  • Drive results and growth.
  • Support a culture of inclusion in how you work and lead.
  • Do what's right for each other, our customers, investors and our communities.

Disclaimer: This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.

Skills

Back-End Development, Collaboration, Design

Compensation

Illinois Pay Range: $129,515.93 - $194,273.89Comcast intends to offer the selected candidate base pay within this range, dependent on job-related, non-discriminatory factors such as experience. The application window is 30 days from the date job is posted, unless the number of applicants requires it to close sooner or later.

Base pay is one part of the Total Rewards that Comcast provides to compensate and recognize employees for their work. Most sales positions are eligible for a Commission under the terms of an applicable plan, while most non-sales positions are eligible for a Bonus. Additionally, Comcast provides best-in-class Benefits to eligible employees. We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most. That’s why we provide an array of options, expert guidance and always-on tools, that are personalized to meet the needs of your reality - to help support you physically, financially and emotionally through the big milestones and in your everyday life. Please visit the compensation and benefits summary on our careers site for more details.

Education

Bachelor's Degree (Required)While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.

Certifications (if applicable)

Relevant Work Experience

7-10 YearsComcast is an equal opportunity workplace. We will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law.
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