Sr. Software Engineer (GoLang & Go Routines)- Denver, CO or Chicago, IL

Company: Comcast
Location: Englewood
Posted on: April 2, 2026

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 Sr. Software Engineers to lead the design, development, and delivery of scalable, high-impact software systems for our Audience and Identity Management Team. The Software Engineering for Audience and Measurement team builds the audience, identity, and measurement services that help advertisers and publishers reach the right people and understand campaign performance. The team delivers identity resolution, audience segmentation, and privacy-preserving measurement solutions at scale, enabling more effective targeting, optimized spend, and clear insights into advertising impact As a Sr Engineer, you lead the design, development, and delivery of scalable, high-impact software systems. You are recognized as a technical leader who drives architectural decisions, mentors engineers, and influences engineering practices across teams. Your depth of experience enables you to proactively identify risks, guide solution design, and ensure long-term maintainability/performance of engineered products. You collaborate effectively with a broad spectrum of stakeholders—including product development, architecture, project management, compliance, SRE, QA, and end-users—to align technical solutions with business outcomes. Additionally, you apply strong cloud engineering principles and architectural patterns to deliver resilient, scalable services in modern cloud environments. Job Description Core Responsibilities Lead technical discovery and solution design by partnering with Product Management, Engineering leadership, and cross-functional stakeholders to translate complex business requirements into scalable, maintainable technical solutions. deep, hands-on expertise in one or more major cloud platforms (AWS, OCI, Azure, or GCP), driving the adoption of best practices in automation, CI/CD pipelines, infrastructure as code, and cloud-native development. Demonstrate proficiency in multiple languages and platforms (e.g., Python, Java, JavaScript, Go), and lead by example in the use of modern build, containerization, and database technologies. Assume ownership for delivering end-to-end solutions which address business problems; proactively aligning engineering decisions with Freewheel’s strategic objectives and industry best-practices. Serve as a technical thought leader in “buy vs. build vs. broker” evaluations, contributing to architectural reviews and guiding platform-level decisions across the broader engineering ecosystem. Champion the design and development of robust, scalable, and highly available software systems, balancing short-term delivery with long-term maintainability. Establish and enforce test automation standards, designing comprehensive unit and integration test suites to ensure reliability and reduce escaped defects. Drive adherence to and evolution of Freewheel’s engineering best practices, contributing to the refinement of design patterns, code quality standards, and review processes. Act as a mentor to junior and mid-level engineers, providing technical guidance, knowledge sharing, and support for professional development. Bring working knowledge or expertise in technologies such as Snowflake, Databricks, and Aerospike; exploring their application in data-intensive, mission-critical systems. 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. The Ideal Candidate Possesses: Expertise in GoLang Strong experience with Go Routines AWS or Cloud experience Qualifications: Bachelor's or master's degree in computer science or a related field. 3 years of hands-on experience coding in Golang, Rust, Node.js, Python or Scala. 2 years of experience with microservices, Kubernetes, or EKS (AWS or OCI). 2 years of experience with enterprise cloud services ( e.g., S3, OCI Object Storage, EMR, Glue, EC2, ECS, OCI Compute, IAM, Lambda, CodeBuild, Athena, OCI Dataflow, Redis, ElasticSearch, RDS, Aurora, and Airflow) . Proficiency in CI/CD tools such as Jenkins, Terraform, or similar automation tools. Strong SQL skills with hands-on experience using data platforms such as Aerospike, Snowflake, Databricks, Spark, Presto, and EMR. Experience with monitoring tools like Datadog, Prometheus, Grafana, and ELK stack. Demonstrated ability to troubleshoot and resolve complex technical issues. Excellent communication and collaboration skills with the ability to work effectively across teams and regions. Ability to thrive in a fast-paced, dynamic environment with strong adaptability to changing priorities. Experience in the advertising industry, particularly in audience targeting, is a plus 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 Cloud Engineering, Go Programming Language, Software Development Compensation Primary Location Pay Range: $135,683.35 - $203,525.03 This job can be performed in Illinois with a Pay Range of $129,515.93 - $203,525.03 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.

Keywords: Comcast, Southglenn , Sr. Software Engineer (GoLang & Go Routines)- Denver, CO or Chicago, IL, Engineering , Englewood, Colorado