Senior Applied Scientist

Apply Now

Job Description

Sojern’s Applied Science team is part of the Science and Optimization team. We drive major impact for Sojern’s customers because we develop systems to automate and optimize advertising campaigns, define new methods for measuring advertising performance, and apply machine learning at scale for thousands of customers. We utilize a range of algorithms and methods to do this including:

  • Bayesian statistics and supervised learning to model conversion rates and revenue
  • Thompson sampling and linear programming to balance campaign objectives
  • Scaled AI/ML with Tensorflow/Kubeflow to model a traveler’s propensity to book
  • A/B tests and synthetic control methods to estimate the impact of our work

And as a part of a broader engineering team, we deliver through the full data product life-cycle: from prototyping to production component development. This provides each team member the opportunity to gain additional experience with a range of technologies such as Tensorflow, Kubeflow, Docker and the Google Cloud Platform.

Position summary:

We are looking for a Senior Applied Scientist to help improve the performance of our targeting and optimization products.

What you bring to the table:

  • 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 two years experience as an applied scientist and preferably one year of experience within the Ad Tech ecosystem.
  • You have an MS or PhD in computer science or a quantitative discipline, or equivalent experience.
  • You can write production code in Python and can reason about algorithmic efficiency.
  • You can design and apply machine learning models (supervised, unsupervised, reinforcement learning, causal inference and uplift, etc.) to solve business problems.
  • You can effectively communicate with applied scientists, data scientists, engineers and product managers.
  • You can evaluate, analyze and interpret model results resulting in further improvement of existing statistical model performance
  • You can perform complex data analysis using SQL/Jupyter notebook to find underlying issues and propose a solution to stakeholders explaining the various trade-offs associated with the solution.
  • You can work independently to solve data challenges with data science, machine learning and algorithms.
  • You can use your grit and initiative to fill in gaps and drive projects to completion.

The value you deliver:

  • You drive technical impact by making meaningful, well-designed, reusable, efficient contributions to data-driven products.
  • You mentor and participate in code/design reviews.
  • You partner with product managers to improve requirements.
  • You innovate in the context of trade-offs.
  • Every member of the team works on key initiatives and has outsized impact, helping Sojern deliver more bookings for our customers.

What we have for you:

We take a whole-person approach to create a Sojernista Experience that allows our people to thrive, not just as employees, but as humans. As an employee of Sojern, you would benefit from this in the following ways:

  • Rewards & Recognition: Competitive compensation packages, stock options offered to every employee, Bonusly program to reward and recognize team wins and performance, plus employees can take up to 40 hours of paid time per year to volunteer and give back to the community
  • Flexibility: Flexi-Friday benefit, hybrid or remote work options for most roles, time-zone friendly work hours with async collaboration
  • Connection: Team offsites planned annually, six employee resources groups, regular virtual and in office team building events, monthly company All Hands & leadership Q&As
  • Wellbeing: PTO allowance to recharge, comprehensive healthcare options, paid parental leave (16 weeks for birthing parents; 12 weeks for non-birthing parents), retirement contributions and investment options (for applicable locations), travel benefits (hotel stay benefit & IATA membership), plus mental health, wellness & financial health resources
  • Growth: Learning & development stipend, mentorship program, career development programs, leadership training
  • Productivity: Home office tech set up (laptop, monitor, keyboard, mouse), monthly internet and phone allowance, modern tools to communicate and collaborate (Slack, Google Suite)

Our Sojernista First workplace philosophy is designed to take a flexible approach, recognizing that the needs of our employees may differ depending on their role, team, or location. What does not differ is our focus on building genuine connections, increasing global collaboration, and providing programs, tools and resources centered around the needs and wellbeing of our employees, regardless if you are working in an office, hybrid, or fully remote.

About Sojern:

At Sojern, we believe in the power of travel as a way to bring the world together. It is that passion that drives Sojern to build smart digital solutions that help travel marketers reach travelers efficiently, and increase long-term growth, customer loyalty and profitability.

Our customers include hotels, attractions and tourism boards, and they use the power of machine learning, data science and real-time traveler data in Sojern’s products to build direct relationships with travelers across social, mobile and the web. Now, more than ever, our thousands of customers rely on Sojern to drive visits, bookings, and ticket sales by engaging with travelers as they plan their travel.

As a globally distributed company, we are headquartered in San Francisco with employees based in 14 countries and counting. Our team is passionate about travel and the core values that define our culture: Win as a Team, Embrace Inclusion, Be Genuine, Deliver Wow, and Center Around the Customer. Check out our Glassdoor reviews!

Company Info.


Sojern provides a digital marketing platform for the travel industry that utilizes programmatic buying and machine learning technology. Sojern partners with travel companies including airlines, OTAs, hotels, and rental car companies to collect anonymized (non-personally identifiable) traveler data based on consumers' online travel search and booking behavior. The company is headquartered in San Francisco and has teams based in Dubai, Dublin, Lond

  • Industry
    Information Technology,Travel services,Computer software
  • No. of Employees
  • Location
    San Francisco, CA, USA
  • Website
  • Jobs Posted

Get Similar Jobs In Your Inbox

Sojern is currently hiring Senior Applied Scientist Jobs in United States with average base salary of $122,000 - $256,000 / Year.

Similar Jobs View More