Full-Stack Engineer – Security-Focused Systems (Contract)

cyberzero; Canada; On-site; CAD 80,000 - 110,000; Part time

Job summary

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. Strong experience in software development and secure coding practices is essential. No formal certifications are required, but practical experience is vital.

Qualifications

• Strong experience in backend and frontend software development.
• Ability to design, debug, and improve complex, stateful systems.
• Solid understanding of secure coding practices, trust boundaries, and data handling.
• Experience with APIs, system integration, and reliability concerns.
• Familiarity with cloud-hosted environments and operational constraints.
• Comfortable working independently with clear objectives and acceptance criteria.

Responsibilities

• Design and implement application logic.
• Maintain and improve data handling and API behavior.
• Identify and reduce system fragility.
• Apply sound engineering practices throughout the stack.

Skills

Backend software development

Frontend software development

Secure coding practices

API development

System integration

Cloud-hosted environments

Job description

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. Strong experience in software development and secure coding practices is essential. No formal certifications are required, but practical experience is vital.