Sr. Backend Engineer C++ - Reston 2 Days Hybrid - FreeWheel

Comcast (CC) of Willow Grove; Reston (VA); Remote; USD 142,000 - 213,000; Full time

Job summary

FreeWheel, a Comcast company, is seeking passionate Software Engineers to design, build, and support a high-quality video advertising platform. This virtual-based role offers opportunities to work on scalable backend services, performance optimization, and collaboration with a global engineering hub in New York.

You will contribute to feature roll-outs, system optimization, and mentorship while aligning with the company’s operating principles and focus on customer outcomes.

Qualifications

• Bachelor's Degree or above, 3 years or above relevant work experience.
• Strong proficiency in modern C++ with solid knowledge of multithreading, concurrency, asynchronous programming, and memory management.
• Experience designing and developing high-performance, low-latency, and highly concurrent backend services.
• Experience with Linux performance profiling, benchmarking, debugging, and system-level optimization.

Responsibilities

• Designing new software applications, analyzing system requirements and customizing applications to maximize functionality and user experience.
• Assisting in the software update and release process, ensuring seamless roll-outs of new features.
• Collaborating with stakeholders and cross-functional teams to identify requirements and integrate tailored software solutions.
• Providing mentorship to junior engineers, nurturing a culture of technical excellence and collaborative knowledge sharing.
• Managing the documentation process for all development activities, ensuring clear and accessible information for both technical and non-technical stakeholders.
• Tracking and evaluating software performance metrics, using data to inform decisions and enhance system reliability and user satisfaction.
• Partnering with Quality Assurance to confirm that software complies with technical specifications, ensuring the delivery of reliable applications.
• Leveraging market research and industry trends to drive project strategies and improve software products.
• Participating in or leading peer programming sessions, design sprints, or prototyping sessions.

Skills

C++

multithreading

concurrency

asynchronous programming

memory management

high-performance backend

low-latency

Linux profiling

RPC frameworks

HTTP/gRPC

distributed systems

machine learning inference

NVIDIA Triton

ONNX Runtime

CPU/GPU optimization

problem solving

learning mindset

Education

Bachelor's Degree

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

FreeWheel is looking for passionate Software Engineers to help design, build and support our high-quality, innovative video advertising platform. This position is virtual based. FreeWheel helps the television industry to monetize their premium contents through a robust technology platform, which enables consumers to view high quality videos on any devices including PC, smart phone, OTT device, set-top box and traditional TV. FreeWheel’s New York Engineering Hub is a core part of our global engineering group that is building the one-stop solution for TV industry to manage its billion-dollar revenue. Our tech platform is capable of handling billions of daily requests, processing terabytes of raw daily data, and optimizing clients’ business.

Job Description Responsibilities

• Designing new software applications, analyzing system requirements and customizing applications to maximize functionality and user experience
• Assisting in the software update and release process, ensuring seamless roll-outs of new features
• Collaborating with stakeholders and cross-functional teams to identify requirements and integrate tailored software solutions
• Providing mentorship to junior engineers, nurturing a culture of technical excellence and collaborative knowledge sharing
• Managing the documentation process for all development activities, ensuring clear and accessible information for both technical and non-technical stakeholders
• Tracking and evaluating software performance metrics, using data to inform decisions and enhance system reliability and user satisfaction
• Partnering with Quality Assurance to confirm that software complies with technical specifications, ensuring the delivery of reliable applications
• Leveraging market research and industry trends to drive project strategies and improve software products
• Participating in or leading peer programming sessions, design sprints, or prototyping sessions
• 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.

Required Skills and Experience

• Bachelor's Degree or above, 3 years or above relevant work experience
• Strong proficiency in modern C++ with solid knowledge of multithreading, concurrency, asynchronous programming, and memory management.
• Experience designing and developing high-performance, low-latency, and highly concurrent backend services.
• Experience with Linux performance profiling, benchmarking, debugging, and system-level optimization.
• Solid understanding of RPC frameworks, HTTP/gRPC protocols, and distributed service architectures.
• Familiarity with online machine learning inference or model serving frameworks (e.g., NVIDIA Triton, ONNX Runtime) is a plus.
• Experience with inference scheduling, batching, and CPU/GPU resource optimization is a plus.
• Demonstrated in problem-solving and technical innovation
• Strong passion for learning/practicing new techniques.

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 C++ Programming Language, Collaboration, New Software Compensation

Compensation

Virginia Pay Range: $141,850.78 - $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.

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.

At Comcast , you have the power to connect the world. Your career options are endless as you grow in your career. Explore your future with access to a variety of teams, locations, and resources in an expanding network. You can also explore additional opportunities at our company, NBCUniversal.