Your browser cookies must be enabled in order to apply for this job. Please contact if you need further instruction on how to do that.

RTB Data Science Engineer

Technology | San Francisco, CA | Full Time

Job Description

RTB Data Science Engineer - All Levels

Sojern - San Francisco Bay Area


Launched by leaders from Yahoo, Bluekai, Orbitz, Amadeus, Sabre, Avis, American Airlines and Adobe, Sojern is building the world’s leading data driven traveler prediction and optimization platform. We win with optimized data tuned to our vertical sales and data acquisition strategy focus. Join us and together we can win the digital travel space. Work with a dynamic and flexible team whose laser focus on success provides opportunities for all.

Join us in our airy loft in SOMA, centrally located to all transportation. Our campus is SF and that can’t be beat. We offer competitive salary, equity, benefits, unlimited vacation days, equipment of your choice, fantastic coworkers, well-stocked kitchen, and team/community events.


This is a real time bidding, data mining, game theory, auction strategy, allocation maximization, engineering position. Phew, out of breath.

We look for the best team players that want to join our band and mesh with our growing team.


  • Mine the bid stream to build models for optimal pricing strategies

  • Work on the core ad serving system applying pricing models to maximize ROI and yield

  • Develop multiple bidding strategies to meet advertiser goals; across mobile, tablet, web, tv…

  • Mine the data for latent bidding strategies; see patterns where others see noise, create novel approaches to leverage our deep traveler intent data

  • Ensure top system performance as every ms of latency reduces auction position.

  • Express your ideas, absorb other people's, influence the team, and grow with the team

  • Contribute to the daily Engineering team ritual of conquering the NY Times crossword puzzle

Desired Skills & Experience

Required Skills:

  • 3+ years production experience in one of: Java, C, C++, Python, Scala

  • 3+ years experience building distributed, high availability services

  • 3+ years experience with one of Hive/Pig/MR

  • Experience with real time online pricing/auction learning systems.

  • Experience in team based development, deployment and iteration

Preferred Skills:

  • Knowledge of advertising technology, business and practices

  • ML / stats background and skill set, or desire to acquire said.



  • BS or MS or PhD; CS, Math, Physics, ML or equivalent experience.