Sr. C++ Developer - Chicago, IL or Reston, VA- ONSITE (4 days a week)

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

We are looking for a savvy Engineer 4 to join our growing engineering team in Freewheel. If you’re excited to work with a tightly knit team of software engineers solving hard problems the right way using cutting-edge, this opportunity is for you. Our engineering team works on offering the world-class real-time ad delivery service that delivers billions of advertisements globally, with robust quality, high engineering/cost efficiency and technical excellence. We look forward to having you as a new member of this passionate and collaborative global team.

Job Description

Core Responsibilities

• Develop and manage highly scalable and reliable infrastructure on AWS, ensuring optimal performance and cost efficiency. 
• Implement security best practices and ensure the integrity and compliance of the AWS infrastructure and containerized environments. 
• Optimize application performance, scalability, and availability in the AWS cloud environment. 
• Document and maintain software functionality. 
• Support overall business requirements. 
• Solve issues in technical way. 
• Collaborate with global engineering and operations team to further incorporate collective innovations. 
• Collaborate with cross-functional teams to gather requirements and translate them into technical designs and specifications
• 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.

Qualifications:

• Bachelor's in computer science or similar field of study
• 3 years or above of hands-on work in the field of Software development.
• Proficiency in C++ and network programming. GoLang is a plus.
• In-depth understanding of cloud, containerization and other related technologies, familiar with distributed architecture and commonly used middleware such as cache, message queue, Nginx, etc., good understanding of Linux/Unix, with excellent data structure and algorithm foundation  
• Experience in large-scale online service design, development and operation and maintenance is preferred    
• Experience with large system software design and development.   
• Demonstrated expertise in problem solving and technical innovation.  
• Strong passion with learning/practicing new technics.  
• Knowledgeable about SDLC, Agile and Software Engineering Methodology.  
• Team working skills, good communication skills, willingness to work under pressure.  
• Have strong ability and persistence on technical support.  
• Have ability to work close with global teams and accept additional working time besides normal working hours to have meeting or co-working with global teams.

Why Join FreeWheel?

Cutting-Edge Technology: Work with modern data stacks, cloud platforms, and real-time processing frameworks.

Innovation-Driven Culture: Collaborate with top engineers, data scientists, and industry leaders shaping the future of ad tech.

Growth & Impact: Solve complex, large-scale data challenges with tens of billions of daily events in a high-impact role.

Flexible & Inclusive Work Environment: We value diverse perspectives, work-life balance, and professional development.

About FreeWheel:

FreeWheel, a Comcast company, is a global leader in advanced advertising technology, enabling seamless transactions across screens, data types, and sales channels. Operating in nine countries, FreeWheel powers global ad insertion and recently launched Universal Ads, a cross-publisher TV advertising platform in collaboration with major media players like NBCUniversal, Warner Bros. Discovery, and Roku. Committed to innovation, inclusivity, and professional growth, FreeWheel fosters a dynamic work environment where diverse perspectives thrive while shaping the future of premium video advertising.

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