Senior Backend Engineer - Accounting

Build and scale a Python API service that enables Mercury's financial platform capabilities. Create and maintain comprehensive API documentation to enable frictionless integrations for internal teams and external partners. Optimize data schemas and queries to support growing transaction volumes and client scale. Develop intelligent data categorization pipelines for automated transaction tagging and enrichment. Champion the API consumer experience by gathering feedback, defining integration standards and evolving our documentation and tooling accordingly. Enable engineers from other Mercury teams to easily contribute to and work with the Python API service. Establish and evangelize Python development best practices for testing, documentation and code quality.