Sr. Golang Software Engineer - Chicago, IL or Reston, VA- ONSITE - (High Salary)

Company: Comcast Corporation
Location: Chicago
Posted on: July 8, 2025

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 Job Description Summary: We are seeking a skilled and passionate Senior Golang Software Engineer to join our growing team. In this role, you will play a pivotal part in building cutting-edge, audience-enabled advertising products and solutions, leveraging data-driven strategies. This is an excellent opportunity for someone who thrives in an agile environment, enjoys tackling complex technical challenges, and is driven by delivering innovative solutions that support business growth. Job Description Core Responsibilities - Design and develop client-facing audience products, features, and applications using Golang, build and maintain RESTful API interfaces for seamless integration with external systems, participate in end-to-end application development, from design to deployment. - Design and build scalable, high-performance audience targeting and identity services for our advertising delivery system, ensuring high concurrency, availability, and low-latency performance. - Design and develop highly scalable, efficient, and robust big data ingestion and processing pipelines that manage data at scale for audience ingestion and activation, driving business success. - Collaborate with project stakeholders and cross-functional teams (including Frontend Service Engineers) to gather product and technical requirements and deliver solutions that fuel rapid business growth. - Use your technical and business expertise to design, code, debug, and resolve complex issues in an agile, collaborative environment. - Manage a highly reliable, scalable infrastructure on AWS, leveraging Kubernetes and containerization technologies to drive optimal performance and cost-efficiency. - Provide technical leadership and mentorship, guiding the team on best practices, design principles, and troubleshooting methods, and foster a culture of growth and continuous improvement by mentoring junior engineers. - Develop and manage self-service data pipeline management tools, ensuring efficient task scheduling, and establishing and tracking key performance indicators (KPIs) to monitor and enhance the performance of the advertising platform. - Bring a data-driven mindset to decision-making and actively participate in team oversight to improve data quality, security, and platform performance. - Write and edit documentation, including technical requirements, evaluation plans, test results, and formal recommendations. - Stay up to date with technological developments, evaluate competitive applications, and review industry solutions and practices to solve assigned projects. - Implement and maintain security protocols to meet company security standards across cloud infrastructure. Qualifications: - Bachelor's or master's degree in computer science or a related field. - 3 years of hands-on experience coding in Golang, strong understanding of GRPC protocol and ProtoBuf. - 3 years of hands-on experience coding in Golang and 3-5 years of experience in software development. - 2 years of experience with microservices, Kubernetes, or AWS EKS. - 2 years of experience with AWS services (e.g., S3, EMR, Glue, EC2, ECS, IAM, Lambda, CodeBuild, Athena, Redis, ElasticSearch, RDS, Aurora, and Airflow). - Proficiency in CI/CD tools like Jenkins, Terraform, or similar automation tools. - Strong SQL skills with hands-on experience using data platforms such as 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. - AWS certification is a bonus. 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 technology, 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. About the FreeWheel Targeting Team The FreeWheel Targeting Team builds cutting-edge, audience-enabled advertising products and solutions focused on audience targeting, identity and measurement, leveraging data-driven strategies. We design and develop scalable, robust client-facing products, APIs, high-performance data pipelines and integrations that empower publishers, simplify advertisers’ connections with diverse audiences, and enhance the viewer experience across devices. 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. 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. Skills: Big Data; Python (Programming Language); Go Programming Language Salary: Primary Location Pay Range: $126,788.71 - $190,183.07 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. Relevant Work Experience 7-10 Years

Keywords: Comcast Corporation, Elmhurst , Sr. Golang Software Engineer - Chicago, IL or Reston, VA- ONSITE - (High Salary), Engineering , Chicago, Illinois