Senior Backend Engineer (SQL/Python)

Job description

OVERVIEW: We are seeking a Senior Backend Engineer with strong expertise in Python and API development to design and build scalable, data-driven backend systems. This role focuses on developing secure RESTful APIs, building ETL frameworks, and integrating data across cloud-native environments. The ideal candidate has hands-on experience with FastAPI (or similar Python frameworks), strong SQL proficiency, and experience working with analytics, reporting, or data-heavy applications in enterprise environments. Contract : 9-12 months, potential to extend / convert Fully remote but must be able to come into the office in financial district (Toronto) for meetings at times 8am - 5pm Hourly Rate: $135 (incorporated); $117 (T4) RESPONSIBILITIES: Design, develop, and maintain scalable RESTful APIs using Python (FastAPI preferred). Build and support ETL/data ingestion frameworks to process structured and semi-structured data. Integrate with internal and external APIs, data platforms, and cloud storage solutions. Write efficient, optimized SQL queries for analytics and reporting use cases. Implement secure authentication and authorization mechanisms (e.g., OAuth2, JWT). Deploy and maintain ser...