Principal Software Engineer - Ad Tech & Distributed Systems

Salary: $152,828.79 - 229,243.19 per year Requirements: 10+ years of professional experience in software development or engineering, including designing, building, and maintaining scalable applications 5+ years of experience with AWS Expert coding, debugging, and troubleshooting skills for complex distributed production systems Demonstrated ability to lead and mentor engineers in automation, reliability engineering, and production problem-solving Strong experience designing and operating server-side applications or services using Python, Go, or Scala Experience developing, operating, and troubleshooting distributed systems and backend services Familiarity with data processing platforms, data pipelines, and large-scale system architectures Deep knowledge of Linux systems, system internals, networking, and production infrastructure Extensive AWS cloud architecture experience, including VPC, subnets, NACLs, security groups, EC2, S3, IAM, Route 53, Lambda, and related services Proficiency with infrastructure as code and configuration management tools and practices Mastery of CI/CD and SDLC tools, including Docker, Kubernetes, Jenkins, Git, Ansible, Chef, and Puppet Strong understanding of database technologies, SQL, performance tuning, and operational data management Advanced analytical, data-driven problem-solving skills, including using metrics to guide decisions Strong communication, attention to detail, adaptability, and ability to work effectively with global, cross-functional teams A bachelors degree is preferred; we may also consider a combination of coursework and experience or extensive related professional experience Relevant work experience listed as 7–10 years Skills listed include C++ programming, AWS OpsWorks, Python, and systems design Responsibilities: Lead the reliability, availability, latency, and performance of large-scale, mission-critical production systems Design, implement, and operate monitoring, alerting, and observability solutions to maintain system health and identify issues quickly Lead incident response, root-cause analysis, and post-incident reviews to achieve lasting reliability improvements Maintain stable operations during high-visibility, time-sensitive live events and releases Drive automation to reduce operational effort, improve efficiency, and strengthen system resilience Partner with software engineering teams to shape architecture and design with production readiness in mind Lead change management, capacity planning, and production-readiness reviews Promote security, vulnerability management, and secure configuration practices across production environments Uphold and continually improve Engineering Operations processes, standards, and best practices Participate in on-call rotations, including weekend coverage, and provide escalation support for complex production issues Serve as a technical subject matter expert, independently resolving complex challenges and developing scalable solutions Work with engineering teams, vendors, and client services to deliver high-quality solutions Technologies: AWS Lambda Ansible Backend CI/CD Cloud Docker EC2 Git IAM Support Jenkins Kubernetes Linux Puppet Python SQL Scala Security More: We are collaborating with hackajob to connect exceptional professionals with Comcast. FreeWheel, a Comcast company, provides advertising platforms for publishers, advertisers, and media buyers, using premium video content, data, and technology to support transactions across screens, data types, and sales channels. We operate globally, with offices in nine countries. In this Principal Software Engineer – Ad Tech & Distributed Systems role, you will help lead the reliability and operational excellence of our platforms with limited supervision. The listed primary-location base-pay range is $152,828.79–$229,243.19; our offer within that range depends on job-related factors such as experience. Eligible employees may receive bonus opportunities and benefits supporting physical, financial, and emotional well-being. The application window is generally 30 days from posting, though it may change based on applicant volume. We are an equal opportunity employer and consider qualified applicants in accordance with applicable law. last updated 42 week of 2026