A security-first technology company in Canada seeks a Full-Stack Developer for a contract role. The ideal candidate will improve foundational capabilities in an existing full-stack system by enhancing reliability, clarity, and correctness in both backend and frontend components. You will design, implement, and test application logic, handle data and API behavior, and apply solid engineering practices. Robust experience in software development and secure coding practices is essential. No formal certifications are required, but practical experience is vital.