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Data Scientist - Feature Engineering

Technology | San Francisco, CA | Full Time

Job Description

Data Scientist Feature Engineering - All Levels

Sojern - San Francisco Bay Area

Job Description

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 position can morph into a Algo/Data Scientist role. If you kick a** we’ll find a** to kick.



  • Are obsessive compulsive about data cleanliness

  • Know every data format in the book and how to transform between them….in several languages

  • Sweat the details of every event, pixel fire, data collection, data type and join

  • Dream of finding latent novel business domain knowledge in your data

  • Know that dirty data is the root of all evil

  • Proven experience shipping software, or insatiable desire to do so!

  • Are a data fiend and you know the best player is the one that makes everyone better


  • Build, tune, own the core data collection systems including feature engineering, data collection quality control, runtime data collection with 100% availability

  • Feed the engine with clean data that powers the ML algorithms

  • Flesh out the technical details and implementation with minimal direction and quick feedback loops

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

Required Skills:

  • Proficiency in Java and OO Design

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

  • 3+ experience building distributed, high availability services

  • Own a copy of Effective Java and Java Concurrency in Practice

  • Experience with one of Hive/Pig/MapReduce on hadoop

  • Ridiculous attention to detail

Preferred Skills:

  • Knowledge of advertising technology, business and practices

  • Experience with AWS and/or Google Cloud Platform

  • Experience in top notch production development, deployment and iteration methodologies


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


  • Preferred location SF or Omaha, we are willing to negotiate remote +-3 hours Pacific Time.



  • Meals: Weekly catered lunches

  • Parties: Our team loves a good time

  • Snacks: Well-stocked kitchen

  • Opportunities: Training and support to help you grow

  • Charity: 40 hours/year to volunteer

  • Culture: Sojern's Culture Club organizes team volunteering and events

  • Ownership: Lead creative and challenging projects