Intermediate Python Developer (Data Products & Merchant Promotions Platform)

S.i. Systems • Toronto, Ontario, Canada • Posted March 23, 2026

Location Toronto, Ontario

Job Type Contract

Category Computer Occupations

Posted March 23, 2026

Our client is Canada's largest retailer. They are looking for an Intermediate Python Developer focused on backend development, API services, and scalable microservices architecture to build and enhance data-driven application components.
Duration: Until December , to start
Location: 2-3 days/week onsite in Brampton
Responsibilities:
Develop, test, and maintain scalable back-end services and RESTful APIs
Contribute to performance optimizations across application and database layers
Collaborate with Product Owners, BSAs, and engineers to translate requirements into scalable technical solutions
Support microservices-based architecture and backend integrations
Contribute to services that enable data-driven features and advanced analytics capabilities
Participate actively in Agile ceremonies including sprint planning, estimation, and retrospectives
Write clean, maintainable, production-re...
            

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