Senior Data Scientist - Customer.io

About Customer.io

Over 8,000 companies use our platform to send billions of emails, push notifications, in-app messages, and SMS every day. We help teams send smarter, more relevant messages using real-time behavioral data.

About the role

We are looking for a Senior Data Scientist to help our teams make better decisions using customer and product data. You will partner with Product, Marketing, and Customer Experience to evaluate product changes, design experiments, and identify opportunities to improve the customer experience.

What you'll do

• Analyze behavioral patterns across the customer lifecycle to identify trends and opportunities for retention and engagement.
• Design experiments and measurement approaches to evaluate product and marketing changes.
• Build models and datasets for customer segmentation, forecasting, and trend identification.
• Apply machine learning and AI techniques to solve practical internal and customer-facing problems.
• Partner with Data Engineering to improve data quality, reliability, and accessibility.
• Communicate findings clearly to non-technical stakeholders.

What we're looking for

• 5+ years of experience in a Data Science role within B2B SaaS or a growth-focused environment.
• Strong foundation in statistics, experimentation, and behavioral analytics.
• Proficiency in SQL and Python for large-scale analysis and modeling.
• Experience with modern cloud data platforms (Snowflake, BigQuery, or similar); dbt experience is a plus.
• Strong communication skills with the ability to explain complex analysis to diverse stakeholders.
• An ownership mindset with a bias for action.

Compensation & Benefits

• Salary: $140,000 - $150,000 USD.
• Insurance: 100% coverage of medical, dental, vision, mental health, and supplemental insurance for you and your family.
• Leave: 16 weeks paid parental leave and unlimited PTO.
• Perks: Stipends for remote work and wellness, plus a professional development budget.