This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Python React Developer based in Canada. This is a long-term opportunity for a senior full-stack engineer working on enterprise-grade applications in a modern technology environment.The role combines hands-on development with technical design, architecture, and engineering leadership.You will build scalable backend services and APIs using Python while developing responsive, maintainable interfaces with React.The position offers the opportunity to work with cloud platforms, containerized infrastructure, microservices, and modern DevOps practices.You will collaborate closely with cross-functional teams to translate business requirements into robust technical solutions.As a senior contributor, you will also mentor developers, influence technical decisions, and help raise engineering standards.The position is based in Toronto with a hybrid/remote working model and is designed for someone seeking a long-term technical challenge.