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Senior Software Engineer - Team Lead

New York, New York



The mission of the Publisher Products Engineering team is to build a suite of products and make Xandr the platform of choice for Digital, TV and Video Publishers and make Xandr a must-buy global, digital, omni-channel marketplace for the world's largest marketers. This is a backend engineering role focused on a critically important area of investment for technology.
The Xandr real time ad serving platform is a large-scale distributed platform operatingunder strict real-time constraints, responding to and executing real-time, dynamic auctions in less than 100 milliseconds. In the past few years, we've grown from processing 300k QPS to over 5 million QPS for an approximate total of 100 billion requests per day. These events generate more than 150 TB of new data every day. Engineers work on the real-time components to optimize our software for performance, space, and algorithmic efficiency.
About the job:
  • In this role you’ll have the opportunity to provide both technical and people leadership.
  • As the Team Lead, you’ll be responsible for 2 to 3 engineers, providing technical mentorship, career development, feedback, and coaching.
  • You will conduct regular one on one and performance reviews, in addition to both leading projects yourself and helping other team members lead their own projects. Creating a supportive, collaborative, and productive work environment for your team will be your priority.
  • As a Technical Leader you’ll design and implement solutions that span multiple applications on the real time ad serving platform, are high quality, require hard real time constraints, are easy to operate and maintain, and make the lives of product engineers easier.
  • You will work closely with other engineers and our product teams, to not only make these systems go faster and handle more and more data, but also to build revolutionary new products for our clients.


  • 5+ years of experience as a professional software developer.
  • Experience providing mentorship and guidance, including code reviews, training, and feedback.
  • Ability to balance managerial responsibilities with individual technical contributions.
  • Experience using either C, C++, or Java, with excellent and creative problem-solving abilities.
  • Experience building high performance, multi-threaded, distributed systems and applications, preferably in a Linux environment.
  • Experience practicing advanced optimization techniques.
  • Experience with real-time data processing engines, ultra-low-level, and low latency systems is preferred.
  • Excellent Computer Science fundamentals with regards to data structures, algorithms, time complexity, etc.
  • Experience providing mentorship and guidance, including code reviews, training, and feedback.
  • You are passionate about enabling customer success.
More about you:
  • You are focused on building high-quality, intuitive products.
  • You are passionate about learning and teaching.
  • You love challenging yourself to constantly improve and sharing your knowledge to empower others.
  • You view processes as a means and not an end, preferring lean or automated approaches to ensure quality and productivity.
  • You are not satisfied with the status quo and are always looking to improve how things are done and what is built.
Job ID 2007194X Date posted 02/06/2020
Career Areas


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