Senior Software Engineer Role at Fulfil
toronto, on, Canada • Posted June 15, 2026
Job Type:
Full-time
Location:
toronto, on
Posted:
June 15, 2026
Category:
Other-General
Application Deadline:
July 25, 2026
Role Description
Fulfil invites you to apply for the Senior Software Engineer II position in Toronto, Ontario. This full-time role emphasizes ownership of web functionalities and innovative AI integrations in a flexible hybrid environment.
In this SDE-II role, you will build and oversee the development of web applications, interacting directly with the core Python codebase. Your contributions will significantly impact the order management systems for various leading eCommerce brands, allowing you to implement features that are directly felt by merchants. You will be instrumental in troubleshooting, managing production issues, and refining the overall quality of the product.
Key Responsibilities: • Develop and ship web applications with end-to-end ownership • Monitor and address issues within production environments • Design and build REST and GraphQL APIs effectively • Integrate LLM features into merchant service areas • Modernize legacy code while ensuring new development is timely
In this SDE-II role, you will build and oversee the development of web applications, interacting directly with the core Python codebase. Your contributions will significantly impact the order management systems for various leading eCommerce brands, allowing you to implement features that are directly felt by merchants. You will be instrumental in troubleshooting, managing production issues, and refining the overall quality of the product.
Key Responsibilities: • Develop and ship web applications with end-to-end ownership • Monitor and address issues within production environments • Design and build REST and GraphQL APIs effectively • Integrate LLM features into merchant service areas • Modernize legacy code while ensuring new development is timely
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