Software Engineer (C++, Python, GoLang, or Java) - Onsite 4 Days - Reston, VA – FreeWheel
Comcast
Reston, VA · Posted September 2, 2026
Just laid off? Start here: a plan for the first weeks
See every open role at Comcast
More in Virginia job market · Software Engineer jobs in Virginia (62) · All Software Engineer jobs (1,996) · Engineering jobs
More roles at Comcast
- Account Manager 1, Enterprise Direct Sales · Atlanta, GA
- SMB Senior Account Executive, Comcast Business · Arlington, VA
- Account Executive 3, Enterprise Direct Sales - Strategy, Managed Solutions - (Cincinnati, OH)
- Account Executive 3, Enterprise Direct Sales - Managed Solutions, Comcast Business
- Xfinity Event Field Sales Representative · Merrillville, IN
- Principal Engineer, Xfinity Mobile Systems & Software Architecture · Philadelphia, PA
Similar jobs
- DevSecOps / Software Development Engineer (TS/SCI) · Maxar Technologies · Herndon, VA
- Full Stack Software Engineer (TS/SCI) · Maxar Technologies · Springfield, VA
- Implementation Specialist I · Asure Software · Virginia Beach, VA
- Site Reliability Engineer - AI Platform · VeriSign · Reston, VA
- Software Engineer - Rust · VeriSign · Reston, VA
- Software Engineer – Developer Experience & AI Platform · ID.me · McLean, VA
Where Reston, VA ranks
Where Reston, VA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for operations pay after cost of living$177k · of 41
- #1Best all-round cities for remote workers in the Mid-Atlantic93 / 100 · of 37
- #1Best all-round cities for remote workers in the Southeast93 / 100 · of 33
- #2Best all-round cities for mid-career professionals in the Southeast75 / 100 · of 33
- #3Best cities for AI-skill jobs in the Southeast17% · of 87
- #3Best all-round cities for mid-career professionals in the Mid-Atlantic77 / 100 · of 37
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
Pay compared with the market
This listing does not state pay. Across 696 open software engineer listings that state pay, the middle half runs $168,000 to $251,000 and the median is $201,500.
Listed pay is what employers advertise, not what people are paid.
How AI is used in this kind of work
Among software developers, AI is already used for some of the tasks. Measured exposure for software developers: 29% (some).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Comcast has filed 3 layoff notices in the last twelve months, covering 360 workers, most recently October 2026. These are public filings with state labor departments, and an open role can sit alongside them. See the filings
Skills this job asks for
Say which you have and which you want to build. We use it to match you to jobs like this one.
About the job
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.
FreeWheel is looking for a Software Engineer to join our Buyercloud (formerly Beeswax) Ad Serving team. The Ad Serving system is the backbone of the Buyercloud platform. 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
Job Description
Responsibilities:
• Design and build data-driven and model-driven features for our customers to execute their marketing campaigns effectively.
• Scale our distributed application and infrastructure to the next level.
• Optimize algorithms and software architectures to save cloud hosting costs.
• Support and extend the observability stack to capture and alert on any issues.
• Participate in on-call rotations and be an escalation contact for service incidents.
• Write systems documentation, playbooks, and other instructional manuals.
• Other duties and responsibilities as assigned.
• 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.
Job Knowledge, Skills, and Abilities:
• Communication: Speak, listen, and write in a clear, thorough, and timely manner using appropriate and effective communication tools and techniques. Be transparent.
• Organization: Set priorities, track work, be transparent.
• Analyze: Effective at looking at data to inform an approach or decision.
• Creativity: Develop new and unique ways to improve operations of the organization and to create new opportunities.
• Solve Problems: Assess problem situations to identify causes, gather and process relevant information, generate possible solutions, and make recommendations and/or resolve the problem.
Working conditions:
• The Software Engineer 3 must successfully work with team members located in multiple remote locations and time zones.
Required Qualifications:
• Bachelor's or master's degree in computer science, engineering, or a related technical field, or equivalent practical experience.
• 3+ years of software engineering experience.
• Significant experience with compiled languages, such as C++, Java, Rust, and Go.
• A deep understanding of what it means to build systems at scale.
• Experience with optimizing performance, scaling and data modeling.
• A strong grasp of software architecture.
• Experience working in a Linux ecosystem.
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
Amazon Web Services (AWS), AWS Cloud Computing, C++ Programming Language, Distributed Systems, Go Programming Language, Java (Programming Language), Kubernetes
Compensation
Virginia Pay Range: $120,212.52 - $180,318.78
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
5-7 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.