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Director of Data Science






San Francisco, CA, US


About us:

Want to join a company on the cutting edge of technology and travel? Want to be part of a fantastic and fun company that’s revolutionizing the online travel advertising space?

Sojern is travel’s direct demand engine, delivering $10B in direct bookings for thousands of brands — from global enterprises to boutique operators — across industries including hotel, airline, cruise, transportation, tourism and more. Specializing in traveler path-to-purchase data for over a decade, Sojern activates multi-channel branding and performance solutions by combining billions of search and booking intent signals with proprietary data science methods to analyze the world’s travelers in real-time. Recognized on the Top Company Cultures list by Entrepreneur Magazine, Sojern is headquartered in San Francisco, with teams based in Dubai, Dublin, Hong Kong, London, Mexico City, New York, Omaha, Paris, Singapore, and Sydney. For more information, visit

The role:

It is an exciting time to join the data science team at Sojern: business is booming, the engineering platform is rock-solid, and there are increasing opportunities for data science to make an impact to Sojern’s bottom line. Each of our data scientists owns their own high-impact projects, whether it is a new modeling technique delivering better predictions, a new analysis and visualization highlighting weak spots in our pipelines, or a new tool that can help the team’s workflow. We’re looking for a Director of Data Science who can leverage their prior Ad Tech experience and take on and lead large data science projects, from inception to completion. In addition to contributing technically throughout the project, lead data scientists are also responsible for: working with product to refine product requirements, managing/coordinating the efforts of other data scientists contributing to the project, and interfacing with stakeholders throughout the company. Large data science projects revolve around extending Sojern’s core capabilities in new dimensions, e.g., additional inventory channels, so prior knowledge and leadership experience are crucial.

Your day-to-day:

Project Conception/Refinement -- Work alongside our product team to conceive, refine, and plan for new functionality/products that enhance Sojern’s products/value

Project Management -- Shepherd projects throughout their phases, manage resources, plan out delivery, expose and mitigate risks

Promote/Foster Innovation -- Identify ways our modeling, processes, interactions can be improved and work with the team to propose and implement solutions

Represent Data Science -- Work alongside our product team to conceive and bring to life new functionality/products that impact Sojern’s performance and value. Represent the data science team throughout Sojern.


Python proficiency -- It’s our lingua franca, and we’re big Jupyter fans

MS of PhD in CS or STEM -- Ability to transform concepts into practical solutions

Machine Learning experience -- Successful implementation of ML solutions

Communication Ability -- Experience/comfort in presenting abstract concepts

Project Management Experience -- Experience leading large DS/ML projects

Ad Tech Experience -- 5 + years of experience with data science/ML techniques as applied to Ad Tech, specifically experience on FB, RTB, SEM, cross-channel attribution, cross-device graph technologies


Culture: Our team loves a good time

Snacks: Well-stocked kitchen to fill your breakfast, lunch, and snack needs

Opportunities: Be part of a growing team with training and support to help you grow

Give Back: We give 40 hours a year to volunteer and organize office volunteer programs with local organizations

Ownership: Lead creative and challenging projects

Meals: Monthly catered lunches & happy hours

Wealth: Stock options

Time Off: Flexible vacation days

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