Principal Software Engineer

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 a Principal Engineer, Software Engineering to join our Freewheel Programmatic Demand team. This team owns a novel platform that FreeWheel has used to build several Demand Side Platform products such as FreeWheel DSP, FreeWheel Buyer Cloud, and most recently, Universal Ads. The Principal Engineer is responsible for defining the technical vision and architecture of the platform. Daily activities include working closely with external stakeholders to design, develop, and deliver core features with an emphasis on performance, scalability, maintainability, and stability that will bring joy to users of the platform. Job Description Key Job Responsibilities Collaborates with project stakeholders to identify product and technical requirements. Conducts analysis to determine integration needs. Designs and oversees new software and web applications, supports applications under development, and customizes current applications. Assists and oversees in the roll-out of software releases. Trains and mentors software engineers on internally developed software applications and software development best practices. Oversees the researching, writing, and editing of documentation and technical requirements, including software designs, evaluation plans, test results, technical manuals, and formal recommendations and reports. Keeps current with technological developments within the industry. Monitors and evaluates competitive applications and products. Reviews literature, patents, and current practices relevant to the solution of assigned projects. Provides technical leadership throughout the design process and provides guidance with regards to practices, procedures, and techniques. Serves as a guide and mentor for junior level Software Development Engineers. Assists in tracking; provides and evaluates performance metrics. Ensures team delivers software on time, to specification and within budget. Works with Quality Assurance team to determine if applications fit specification and technical requirements. Tests and evaluates systems, subsystems, and components. Leads project planning, resourcing, requirement analyzing and defining, detailed designing and deployment of feature or system. Presents and defends architectural, design, and technical choices to internal and external audiences. Consistent exercise of independent judgment and discretion in matters of significance. Successful Engineers at FreeWheel Value: An ethic of service and a belief in putting the customer first. A powerful sense of pragmatism to figure out what needs to be done right versus right now. A curiosity about technology and a desire to use it to solve problems in all sorts of domains. An openness to feedback and more than just the spelling skills to know that there’s no I in “team.” An appreciation of repeatability, resilience, observability, and operational simplicity. Minimum Qualifications and Requirements A bachelor's or master's degree in computer science, engineering, or a related technical field, or equivalent practical experience. 15+ years of experience as a hands-on software engineer, with a deep focus on designing and building scalable, distributed systems. Experience in the media or advertising technology industry is a must-have. Proven expertise in technical architecture and system design, with the ability to break down complex problems and deliver elegant, maintainable solutions. Demonstrated ability to own and manage technical backlogs, collaborating with product and engineering peers to prioritize work, define technical requirements, and drive execution. Advanced proficiency in object-oriented and systems programming languages such as C++, Java, Python, or Go with a strong understanding of concurrency, performance tuning, and distributed computing. Experience deploying and operating applications in public cloud environments (e.g., AWS, GCP, Azure), with a solid grasp of cloud-native development patterns and infrastructure-as-code. Comfortable using engineering productivity tools such as Jira (for backlog and sprint planning), Confluence (for technical documentation), Git (for version control), and Microsoft Office Suite (for communication and reporting). Working Conditions Principal Engineer must successfully work with team members located in multiple remote locations and time zones. Location Reston, Virginia 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.

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