Remote Full-Stack Developer

cyberzero is a security-first technology company focused on protecting critical systems and long-lived data in complex environments. Our work spans security architecture, cloud hardening, Zero Trust design, API security and cryptographic analysis. We also operate at the leading edge of post-quantum cryptography and cryptographic lifecycle risk, helping organizations understand where cryptography exists, how it is used, and how it ages over time. We operate vendor-agnostically and prioritize correctness, confidentiality, and operational reality over tooling or checklists. Role Description

We are seeking a Full-Stack Developer for a contract engagement based in Canada. The role is focused on strengthening foundational capabilities in an existing full-stack system. Work will involve improving reliability, clarity, and correctness across both backend and frontend components. Responsibilities

Designing, implementing, testing, and maintaining application logic; improving data handling and API behavior; identifying and reducing system fragility; and applying sound engineering practices throughout the stack. 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 Formal certifications are not required. Practical experience, sound judgment, and security awareness matter more. Seniority level

Mid-Senior level Employment type

Contract Job function

Engineering and Information Technology. Industries: IT Services and IT Consulting

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