Senior Data Scientist, Klaviyo

• 5+ years professional data science experience
• Strong fundamental understanding and deep experience with a variety of statistical and/or machine learning algorithms (e.g. regression models, tree-based methods, clustering, neural networks) as well as ways to evaluate and validate the performance of those models
• Proficiency in writing high-quality code in Python for production deployment, conducting code reviews, and deploying to a production environment
• Ability to collaborate radically and communicate clearly to both technical and non-technical stakeholders
• A motivated problem solver with the ability to work independently in a research-driven capacity - first by thinking critically about problems and brainstorming potential solutions and then by implementing and testing these ideas on actual data
• Bachelor’s or advanced degree in statistics, applied mathematics, computer science or other relevant quantitative discipline

Desirable

• As part of the Klaviyo Data Science team, you work alongside dozens of other Data Scientists to help solve high-impact problems facing our customers and business partners
• You’ll be coming in as one of our primary data scientists on the team and will have the chance to radically impact how customers use some of the core features of the Klaviyo app on a daily basis
• You will work alongside a multifaceted team of product managers, designers, engineers, and other data scientists to focus on integrating natural language based tools into the Klaviyo experience
• As a Senior Data Scientist, you’ll also have a strong role in mentoring other members of the team
• You’ll review their math and statistics work as well as their code to ensure high quality, and you’ll share your knowledge with the team to help others learn
• You will work alongside product managers and design researchers to understand customer pain points and scope potential data science solutions to these problems
• The machine learning models you build will fundamentally change the way that Klaviyo customers interact with our platform
• You will have an opportunity to own projects from end to end, from scoping to maintenance post-delivery
• Your work will require you to read up on recent advancements in LLMs and NLP which will help Klaviyo build up expertise in this space
• You will execute on technical work, with an emphasis on the ability to work iteratively and adapt to what the data tells us and/or changes in business/customer needs
• You will choose the right solution for the problem at hand rather than relying on “one-size-fits-all” approaches
• You will collaborate with other data science team members and participate in cross-team statistical and code reviews

• Private health care cover
• All full time employees receive equity
• Commuting allowance for when you do travel to the office,
• A very generous education allowance every year for you to spend on learning and development.
• Participation in Klaviyo ESPP
• Personal lifestyle allowance
• Flexible holiday scheme

Klaviyo is a marketing firm helping growth-focused eCommerce brands drive more sales with super-targeted, highly relevant email, Facebook and Instagram marketing campaigns. From personalised newsletters to automated emails when customers abandon their shopping carts, the marketing automation platform makes it easy for businesses to capture, store, analyze, and predictively use their own data to drive measurable, high-value outcomes.