Senior Data Engineer

Job Description

Job Description

Who you are :

You’re a hands on Senior Data Engineer with strong Python skills and experience building robust data pipelines in cloud environments. You enjoy solving complex data problems, working cross-functionally, and building the infrastructure that powers analytics and product development. You’re ready to take the next step in your career at a company where your work will directly impact the business and customer experience. Does this sound like you?

If so, keep reading and apply today!

What you’ll do :

• Design, build, and maintain reliable data pipelines to support internal analytics and customer-facing product features.
• Architect, develop, and maintain robust data infrastructure using structured (Postgres) and non-structured databases (MongoDB)
• Write, optimize, and maintain extensive SQL queries and scripts to support complex data retrieval and analysis.
• Design, develop, and manage ETL processes using APIs to integrate various data sources seamlessly into our analytics environment.
• Perform database optimization, performance tuning, and capacity planning to ensure maximum efficiency and reliability.
• 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.

What you have :

Why join Polly?

Employee Benefits :

Interview Process

Let's get to know each other.

Polly has pioneered the next generation of mortgage capital markets technology with its cutting-edge, data-driven platform. Its enterprise-grade solutions, including the industry's only cloud-native, commercially scalable product, pricing, and eligibility (PPE) engine and first-of-its-kind Polly / ™ AI platform, empower the nation's top banks, credit unions, and mortgage lenders to increase profitability, automate workflows, and revolutionize the loan officer and broker experiences. As a mortgage technology trailblazer, Polly is committed to driving meaningful value and ROI through best-in-class innovation that enables unlimited configurability, flexibility, granularity, and scalability. Polly was founded by a seasoned team of mortgage capital markets and technology experts and is headquartered in San Francisco, California. Recognized as a pioneer in mortgage capital markets, as well as in culture and career development, Polly was named to Forbes' America's Best Startup Employers in 2025. This evaluation was based on three key criteria : Employer Reputation, Employee Satisfaction, and Company Growth.

To learn more, follow Polly on LinkedIn or visit www.polly.io. Polly is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, age, color, national origin, religion, sex, gender identity, sexual orientation, marital status, pregnancy status, disability status, veteran status, or any other legally protected status. Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

Beware of recruitment scams impersonating the Polly brand or our employees. Our team communicates only through official Polly channels, and we will never ask for sensitive information over text or conduct text-only interviews. If you are ever suspicious or in doubt, reach out to us directly at  peopleteam@polly.io. We care deeply about this network and your experience.