Senior Software Engineer I-II, Frontend

IT & Technology New York, New York San Francisco, California Los Angeles, California Miami, Florida Atlanta, Georgia Boston, Massachusetts Detroit, Michigan Chicago, Illinois Dallas, Texas Salt Lake City, Utah Durham, North Carolina Fort Worth, Texas Austin, Texas Fort Lauderdale, Florida Raleigh, North Carolina



We're a fun team that values teamwork over ego and cooperation over competition. We are open and honest; we have strong opinions, loosely held; we embrace kaizen: daily improvement; we support one another; we aim high; we have fun – these are some of our values that make us great.

You'd be joining a team of smart engineers and data scientists that knows how to get things done solving challenging and interesting problems in the ad tech space.


You should:

  • Be fluent in JavaScript ES6 (we mostly use TypeScript, but you can learn on the job)
  • Be proficient in at least one front-end framework (we use React, but any is fine)
  • Be knowledgeable in Python
  • Have a strong understanding of core CS concepts
  • Be comfortable designing and implementing challenging features
  • Have a solid appreciation for good UI/UX design
  • Be collaborative/solve problems cooperatively have familiarity with RESTful APIs
  • Be a great communicator with the ability to write clear docs and concisely explain complex ideas/algorithms
  • Be comfortable working in an agile environment
  • Knowledge of great ways to visualize data is a plus.


  • Python 3.7+
  • TypeScript/ES6
  • Node React/Redux
  • Airflow
  • Sails (Node.js)
  • Docker AWS


Copilot is a Xaxis (pronounced zaxis) built, AI-powered optimization platform that enables media traders to deploy complex buying strategies and deliver better outcomes for our clients.

Our mission is to be the engine behind better advertising for everyone. We build flexible AI solutions to couple human strategy with machine intelligence. On the Copilot team we strive for daily improvement, have strong opinions loosely held, and value originality in mistakes. We take risks and work on cutting edge solutions but are always focused on people first. The Copilot team is dedicated to building responsible technology that disrupts the media industry for the better- and we like to have some fun in the process. 

GroupM and all its affiliates embrace and celebrate diversity, inclusivity, and equal opportunity. We are committed to building a team that represents a variety of backgrounds, perspectives, and skills. We are a worldwide media agency network that represents global clients. The more inclusive we are, the more great work we can create together.