Senior Data Scientist

Summary

Join Polly, a top-quartile startup in mortgage capital markets, as a hands-on data professional. You will design, build, and maintain reliable data pipelines, ensuring data quality and collaborating with various teams. Leverage modern data tools and cloud infrastructure to create scalable solutions. Troubleshoot data issues and continuously improve pipeline performance. Polly offers a hybrid workplace, competitive compensation, comprehensive health coverage, and flexible vacation time. The company is committed to innovation and employee growth, providing opportunities for significant individual impact.

Requirements

• Strong proficiency in Python in a production environment
• Experience with cloud platforms such as AWS (especially services like Glue, Redshift, or S3)
• Hands-on experience designing, implementing, and maintaining ETL/ELT pipelines for both batch and real-time use cases
• Familiarity with Spark, Hive, or similar big data tools
• Working knowledge of Terraform, Kubernetes, and CI/CD workflows
• Excellent communication and collaboration skills, with the ability to work cross-functionally and translate technical concepts to non-technical audiences
• Experience with orchestration tools like Prefect or Airflow
• Exposure to modern data workflows, notebooks, and warehouse modeling
• Understanding of data quality monitoring and testing frameworks

Responsibilities

• Design, build, and maintain reliable data pipelines to support internal analytics and customer-facing product features
• Own data integrations across systems and ensure data is clean, validated, and well-modeled
• Collaborate closely with data scientists, analysts, and software engineers to ensure the right data is available in the right format at the right time
• Leverage modern data tools and cloud infrastructure to build scalable solutions that meet business and technical requirements
• Troubleshoot data issues and continuously improve pipeline performance and observability

Benefits

• Competitive Compensation: Polly offers competitive salaries designed to reward your expertise and direct impact/contributions
• Comprehensive Health Coverage: Employees enjoy 100% company-paid medical, vision, dental, disability, and life insurance, granting peace of mind
• Flexible Vacation, Done Right: Take time off to recharge when you need it with Polly’s flexible, non-accrued vacation policy—because we trust you to balance work and life
• Hybrid Environment: Polly employees work on site three days a week (Tues./Wed./Thurs.) at our Innovation Hubs, located in Dallas-Fort Worth and San Francisco