Lead Data Science Engineer
About Us:
Sojern’s mission is to help travelers go from dream to destination by showing the right travel ad at the right time to the right person, and we use technology and our significant data advantage to make that happen.
Our customers are hotels, airlines, cruise lines and tourist attractions. Sojern has delivered over $13B in traveler bookings through advertising on their behalf; Our relentless focus on driving customer value and performance has grown our customer base to more than 8500 customers and helped us become a profitable, privately-held company. In late 2018, we closed a $120M Series D funding round with Technology Crossover Ventures to further accelerate our growth.
In addition to having the upside of a Series D startup at Sojern, Sojern’s work culture encourages work-life balance with traditional working hours, flexible time-off and company-wide volunteer goals. Need more convincing that Sojern is a great place to work? Check out our Glassdoor reviews!
About the Team:
The Data Science Engineering team develops methods to optimize advertising campaigns, defines new methods for measuring campaign performance, and applies machine learning at scale with more than 5000 models in production. Example projects include:
Bayesian statistics to model conversion rates and revenue
Thompson sampling and linear programming to balance campaign objectives
Stratified sampling and power analysis to run controlled experiments
Using Tensorflow and XGBoost on Kubeflow to predict a traveler’s propensity to convert
And as a part of engineering, we own the full data product life-cycle: from analysis and prototyping to production development.
The Role:
We are looking for a Lead Data Science Engineer to drive business impact with data science, mentorship and collaboration.
The Experience We’re Looking For:
You have hands-on experience building production-level ML and data products.
You have expert-level understanding of data science topics.
You have at least 4 years experience as a data scientist with at least 2 years of experience within the Ad Tech ecosystem.
You have an MS or PhD in computer science or a quantitative discipline.
You have experience with agile and scrum-based development.
The Skills You Bring:
You write production code in Python, and can reason about algorithmic efficiency.
You effectively communicate with data scientists, engineers and product managers, and do so with a positive outlook.
You solve data science challenges and innovate in the context of trade-offs.
You coordinate, collaborate and delegate to make sure that products are successful.
You understand what drives the products that you work on.
The Value You Deliver:
You drive business impact by designing, architecting, implementing, and delivering data-driven products with reusable components.
You mentor, provide feedback on design, and participate in code/design reviews.
You partner with product managers to improve roadmaps.
You power through obstacles
You promote company values.
Perks:
Opportunities: Be part of a growing team with training and support to help you grow
Ownership: Lead creative and challenging projects
Give Back: We give 40 hours a year to volunteer and organize office volunteer programs with local organizations
Culture: Strong core business values, focus on teamwork, vibrant, social and fun environment
Snacks: Variety of snacks in the office
Meals: Monthly catered lunches & happy hours
Competitive Localized Benefits
IATA Travel Discount
Time Off: Flexible vacation days
At Sojern, we value diversity and always treat all employees and job applicants based on merit, qualifications, competence, and talent. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.