Senior Software Engineer, Ad Client Engineering


We may be the most important Internet company you’ve never heard of. Join our team for your chance to work in the digital marketing space and solve meaningful problems on a massive scale—and have fun doing it.


In our team, you will write JavaScript code that is served up to millions of devices daily. You hold yourself to a high standard, and consider errant or crufty code to be an abject failure. You have a keen attention to detail and a penchant for making measurable what is not, and are capable of debating the benefits of functional programming, asynchronous execution patterns, and prototypal inheritance as though you wrote the book on it.

  • Write robust, high-performance, Javascript code for our real-time-bidding (RTB) and ad serving platform.
  • Perform peer code reviews.
  • Conduct performance testing and monitoring of production systems.
  • Analyze terabytes of SQL data looking for performance bottlenecks and/or bugs.

Minimum Qualifications

  • BS in Computer Science or related technical discipline or equivalent practical experience.
  • Solid computer science fundamentals such as complexity analysis, data structures and software design.
  • Expert knowledge of core Javascript. Flash/ActionScript or Java a plus.
  • Working knowledge of Unix/Linux.

Preferred Qualifications

  • MS or PhD in Computer Science.
  • 7+ years of coding experience in event driven application languages.
  • Some experience with Docker, Vagrant, or continuous integration software.
  • Some experience with building RESTful APIs and long running application code.
To learn more check out our Engineering Website:


Conditions of Employment

All job offers are contingent upon successful completion of certain background checks which unless prohibited by applicable law may include criminal history checks, employment verification, education verification, drug screens, credit checks, DMV checks (for driving positions only) and fingerprinting.


About Conversant

Conversant, Inc. is the leader in personalized digital marketing. Conversant helps the world's biggest companies grow by creating personalized experiences that deliver higher returns for brands and greater satisfaction for people. We offer a fully integrated personalization platform, personalized media programs and the world's largest affiliate marketing network - all fueled by a deep understanding of what motivates people to engage, connect and buy. For more information, please visit


Great People, Deserve Great Benefits

We know that we have some of the brightest and most talented associates in the world, and we believe in rewarding them accordingly.  If you work here, expect competitive pay, comprehensive health coverage, and endless opportunities to advance your career.  From tuition reimbursement to scholarship programs to employee stock purchase plans and 401(k)s, we offer associates a variety of benefits that work as hard for them as they work for us. 


About Epsilon

Epsilon is the global leader in creating connections between people and brands. An all-encompassing global marketing company, we harness the power of rich data, groundbreaking technologies, engaging creative and transformative ideas to get the results our clients require. Recognized by Ad Age as the #1 World CRM/Direct Marketing Network and #1 U.S. Agency from All Disciplines, Epsilon employs over 7,000 associates in more than 70 offices worldwide. Epsilon is an Alliance Data company. For more information, visit, follow us on Twitter @EpsilonMktg or call 1.800.309.0505.

Alliance Data is an Equal Employment Opportunity employer

Alliance Data participates in E-Verify


For San Francisco Bay Area:

Alliance Data will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of San Francisco Police Code Sections 4901 - 4919, commonly referred to as the San Francisco Fair Chance Ordinance.

Alliance Data is an Equal Employment Opportunity employer
Alliance Data participates in E-Verify

Meet Some of Conversant's Employees

Angie E.

Software Engineer

Angie makes sure the user interface on the API side of things works smoothly. She also builds internal web apps for the company and coordinates the foreign team handling front-end design.

Gabrielle G.

Associate Software Engineer

Gabrielle works on the ad-server technology for Conversant, handling client-side, javascript delivery of ads, building greenfield projects, and helping Conversant create a unified ad-server core from its diverse acquisitions.

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