Full Stack JavaScript Developer (Contract)

CoreFactor is searching for a Full Stack JavaScript Developer on a contract basis for a client located in the GTA.

This position is hybrid and will require the successful incumbent to go into the office two (2) times per week.

The Role

Under the direction of and working with the Manager, Application Development the Software Developer will be responsible for developing modern web applications using Node.js and AI-assisted development tools to accelerate delivery of intake systems, dashboards, and digital workflows.

Position Responsibilities

• Build and iterate on intake portals and microsites
• Implement APIs and integration layers
• Apply AI-assisted development tools to speed delivery
• Follow secure coding and auditability standards
• Work closely with Application Development Manager and Delivery Lead

Requirements

• 5–8+ years of progressive software development experience, including at least 3+ years building and supporting scalable Next.js and React (TypeScript preferred) applications in production, alongside strong hands-on experience with Node.js for backend services, APIs, and integration layers.
• Experience designing and delivering secure, role-based web applications, including server-side rendering (SSR), API route development, modern front-end architectures, and performance optimization across both UI and backend layers.
• Experience operating in secure, compliance-driven environments, with knowledge of authentication (OAuth/JWT/SSO), audit logging, secure session management, and adherence to secure coding standards (OWASP).
• Familiarity with cloud and DevOps practices, including CI/CD pipelines, containerization (Docker), and cloud platforms (Azure preferred), with experience deploying and monitoring modern web applications.
• Experience working with relational and/or NoSQL databases, including data modeling, API integration, and integration with third-party or legacy enterprise systems (e.g., .NET-based environments).
• Commitment to quality through automated testing (unit, integration, and end-to-end), code reviews, accessibility standards, and performance optimization to ensure reliability, maintainability, and scalability.
• Demonstrated ability to contribute to application architecture discussions, technical standards, and mentorship, while leveraging AI-assisted development tools responsibly within a structured SDLC.