Sr. Software Engineer (Python or GoLang) - Tier 2 - Onsite 4 Days X Week - New York, NY - FreeWheel

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
The Sr Software Engineer (Tier-2) is responsible for the availability, latency, performance, efficiency, change management, monitoring, emergency response, and capacity planning for FreeWheel platforms, with a primary focus on the Ad Serving platform. This role supports and enhances the core Ad Serving systems responsible for ad decisioning, campaign delivery, targeting, and request processing. The engineer will play a key role in supporting customer-facing issues, understanding customer traffic patterns and platform behavior, and driving end-to-end operational support for critical Live Events. You will develop deep expertise in the business domain, system architecture, and application workflows to effectively troubleshoot issues, resolve complex break/fix scenarios, and proactively improve system reliability. This includes building automation tools, enhancing troubleshooting capabilities, driving operational efficiency, and continuously improving platform observability and operational processes. This role requires strong collaboration with engineering, client services, and external partners to deliver successful technical solutions while improving customer satisfaction. Works with limited supervision and independently determines approaches for non-routine challenges.
Job Description
Core Responsibilities:

• Provide Tier-2 support for the Ad Serving platform, including troubleshooting customer issues related to ad delivery, targeting, campaign execution, and request processing
• Drive end-to-end operational support for Live Events, including proactive monitoring, cross-functional coordination, issue tracking, stakeholder communication, post-event summaries, and operational reporting
• Own and contribute to the development and maintenance of Ad Serving services and components
• Develop a strong understanding of business logic, system architecture, and customer workflows to effectively diagnose and resolve issues
• Serve as a subject matter expert for customer usage patterns, identifying gaps and driving improvements to platform reliability and performance
• Build automation tools and scripts to improve troubleshooting, reduce manual effort, and increase operational efficiency
• Collaborate with project stakeholders to identify product and technical requirements and determine integration needs
• Debug, analyze, and optimize code across distributed systems to resolve complex technical challenges
• Partner with engineering, vendors, and client services to deliver scalable and reliable technical solutions
• Support critical production operations and incidents, ensuring minimal disruption and rapid incident response
• Improve customer satisfaction by reducing issue resolution time and enhancing platform reliability
• Contribute to process improvements and operational best practices across engineering and support workflows
• Participate in release cycles, including planning, testing, monitoring, and post-release validation
• 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.

Preferred Technical Qualifications:

• Strong coding, debugging, and troubleshooting skills in Go (Golang) and/or Python
• Experience developing, operating, and troubleshooting distributed, high-throughput backend services
• Familiarity with distributed systems, microservices, and low-latency service architectures
• Proficiency in SQL and database design
• Experience supporting applications in cloud environments (AWS or OCI), including hands-on experience with AWS services such as VPC, EC2, S3, IAM, Route 53, and Lambda
• Experience with automation, monitoring, and observability tools
• Familiarity with CI/CD and SDLC tools (Docker, Kubernetes, Jenkins, Git, Ansible)
• Strong Linux, networking, and infrastructure fundamentals
• Working knowledge of cybersecurity best practices, including secure configurations and incident response

Core Competencies / Behaviors:

• Strong customer-first mindset with the ability to translate technical issues into business impact
• Ability to quickly learn business context and system behavior to improve issue resolution
• Analytical thinker with a focus on continuous improvement and operational excellence
• Effective communicator, especially in client-facing situations
• Strong ownership with the ability to drive cross-functional coordination during production incidents and Live Events
• Detail-oriented and able to work independently in a fast-paced, global environment
• Collaborative team player with cross-functional engagement across engineering and support teams
• Willingness to participate in on-call rotations, including weekends

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.
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.
Skills:
Amazon Web Services (AWS); System Designs; Software Development; Production Troubleshooting
Salary:
Primary Location Pay Range: $148,018.20 - $222,027.30
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