Senior Data Engineer, Backend, APIs

Responsibilities

• Own the foundations of our data storage layer, including schema design, migrations, performance tuning, and reliability.
• Design clear, scalable schemas and data marts for analytics and product use cases.
• Develop backend services that expose storage‑backed capabilities to the product.
• Design, implement, and maintain APIs with strong contracts, versioning, and observability.
• Improve test coverage, performance, and reliability through monitoring and thoughtful alerting.
• Work closely with product and engineering to translate requirements into robust data and API solutions.

Requirements

• 5+ years of professional software development experience, with substantial time in data engineering.
• Strong expertise in Python and SQL.
• Hands‑on experience owning a database or warehouse, including schema design, performance, reliability, and access patterns.
• Experience with analytics‑oriented storage and modeling (e.g., data marts) and a pragmatic approach to cost and performance.
• Experience building backend services in Python.
• Hands‑on experience with ORM tools, especially SQLAlchemy.
• Strong experience designing and implementing RESTful APIs.
• Solid understanding of software engineering best practices, testing, and production operations.