backend developer in marketing data integration

Windsor.ai connects data from 300+ sources to more than 30 destinations. Its global team helps businesses connect marketing and sales data, automate reporting, and measure what drives the greatest impact.

• Build and maintain Python pipelines for Windsor.ai’s marketing data integration and ELT platform, pulling data from third-party APIs, normalizing it, and delivering it reliably at scale;
• Own API integrations end to end, including rate limits, pagination, custom authentication, and inconsistent error handling across hundreds of sources;
• Ship production-grade Python code with tests and routine code reviews;
• Keep pipelines fast and reliable using concurrency, caching, and data modeling as volume grows;
• Work asynchronously with engineers, product, and support.

• 4+ Years of professional programming experience with strong production-grade Python;
• Solid understanding of OOP, concurrency (threads/async), and data structures;
• Comfortable working in Linux development and production environments;
• Experience integrating third-party APIs and handling their quirks;
• Independent and comfortable with asynchronous work;
• Basic SQL knowledge;
• Nice to have: ETL/ELT or data integration experience, marketing/ad-tech APIs, PostgreSQL and Redis in production, Docker and GitLab CI/CD.

• Contractor role;
• Competitive pay;
• Code runs in production for 6,000+ customers.