GoLang or Python Developer 3- Chicago, IL or Reston, VA- ONSITE (4 days a week)

Xfinity; Chicago (IL); On-site; USD 107,000 - 162,000; Full time

Job summary

Join a leading company as an Engineer 3, where you will collaborate in developing world-class ad delivery systems. Your role involves creating scalable infrastructure on AWS, addressing performance and security, and working alongside talented engineers. Be part of a vibrant team committed to innovation and excellence in a high-impact environment.

Qualifications

• 1-3 years of software engineering experience, preferably in cloud computing.
• Familiarity with programming languages including GoLang or Python.
• Understanding of Cloud, containerization and related technologies.

Responsibilities

• Develop scalable and reliable infrastructure on AWS.
• Implement security best practices for AWS infrastructure.
• Provide technical support for production systems.

Skills

Software Development

Technical Requirements

Web Applications

Education

Bachelor's degree in computer science or similar field

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

We are looking for a savvy Engineer 3 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 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.
• Work closely with senior engineers to build and enhance ad-serving infrastructure.
• Write and maintain documentation for software functionality and design decisions.
• Provide technical support for production systems and assist in troubleshooting issues.
• Collaborate with global engineering and operations team to further incorporate collective innovations.
• 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 degree in computer science or similar field of study
• 1-3 years of software engineering experience, preferably in cloud computing, distributed systems, or backend development.
• Familiarity with one or more programming languages including GoLang OR Python.
• Solid understanding of Cloud, containerization and other related technologies.
• Solid understanding of Linux systems and fundamental knowledge of data structures and algorithms.
• Experience in large-scale online service development and operation and maintenance is preferred
• Strong problem-solving skills and willingness to learn new technologies.
• Ability to work collaboratively in a team environment and adapt to changing requirements.
• Knowledgeable about SDLC, Agile and Software Engineering Methodology.
• Experience with message queues, caching mechanisms, or distributed databases is preferred.
• Exposure to high-concurrency, high-availability system design

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.
• Respect and promote inclusion & diversity.
• Do what's right for each other, our customers, investors and our communities.

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.

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

Software Development, Technical Requirements, Web Applications

Compensation

Primary Location Pay Range: $107,448.06 - $161,172.09

Comcast intends to offer the selected candidate base pay dependent on job-related, non-discriminatory factors such as experience. 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.

The application window is 30 days from the date job is posted, unless the number of applicants requires it to close sooner or later.

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 proud to be 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.