Senior Full Stack Developer (Contract)

The company is looking for an experienced Senior Full Stack Developer to join its technology team on a 6-month contract, working in a hybrid model with two days per week in the Toronto office. The role focuses on architecting and developing applications from the ground up using React and Node.js, with particular emphasis on enabling agentic workflows and building systems that let autonomous agents interact, decide and execute tasks. The developer will build both application logic and the underlying cloud infrastructure needed to support scalable, dynamic agent operations, while embedding security into every service. Day-to-day work includes optimizing website performance, developing APIs, and maintaining a holistic view of how front end and back end work together.