Sr. Software Engineer -4 Days ONSITE- Englewood, CO or Reston, VA - FreeWheel
Comcast· Telecommunications· Sep 18, 2026 · 1mo ago
VA Reston 11951 Freedom Dr Ste 900
In office
Full-time
Senior
$142K–$213K
4+ years exp
Job description
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
The Sr. Software Engineer is responsible for developing software solutions for the Ad Serving team at FreeWheel.
The Ad Serving system is the backbone of FreeWheel's demand side platform (DSP) advertising business. It listens to billions of ad auctions per day, decides which of our hundreds of customers should participate, and executes complex bidding strategies to provide optimal results -- in milliseconds.
The Sr. Software Engineer is expected to:
- Design, own, and deliver high-quality software
- Function effectively as a member of a team
- Mentor junior engineers
- Interact with management and other members of the development group
- Continually seek to improve themselves and the company
Job Description
Essential Functions:
The Sr Software Engineer must be able to:
Be effective members of their team, department and company
Demonstrate good analytical abilities, attention to detail, and strong verbal / written communication skills in English
Work on multiple projects simultaneously when asked
Work with a range of technologies, programming languages, and applications
Write quality software within reasonable timeframes based on the designs and specifications provided
The Ideal Skillset:
4 years of professional experience with compiled languages (C preferred), databases, and network programming.
Solid understanding of object-oriented programming concepts
Proficient understanding of code versioning tools such as Git
Ability to adapt quickly to an existing, complex environment
Excellent debugging and troubleshooting abilities
Excellent communication skills
BONUS POINTS:
Go Lang experience is a plus
Ad Tech experience is a plus
Core Responsibilities:
Provide technical leadership in designing, developing, maintaining, troubleshooting, and owning servers and cloud-based systems
Write, maintain, and deploy cloud-based software and distributed computational systems using the Linux operating system
Develop software and software architecture using C
Plan and execute the development, testing, and deployment of new software features and improvements to cloud-based software infrastructure; work with scalable design patterns
Use data warehouses including Snowflake, and distributed databases, including Aerospike
Analyze and optimize algorithm performance; document all development activity
Research, write, and edit documentation and technical requirements, including software designs, evaluation plans, test results, technical manuals, and formal recommendations and reports
Monitor and evaluate competitive applications and products; review literature, patents, and current practices relevant to the solution of assigned projects
Collaborate with project stakeholders to identify product and technical requirements; conduct analysis to determine integration needs
Work with the Quality Assurance team to determine if applications fit specification and technical requirements
Review code
Disseminate software best practices.
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) and overtime as necessary.
Other duties and responsibilities as assigned.
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
Collaboration, Communication, Software Engineering
Compensation
Virginia Pay Range: $141,850.78 - $212,776.16
This job can be performed in Denver Campus with a Pay Range of $135,683.35 - $212,776.16
Comcast 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
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 Years
Comcast 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.
Application prep
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