Senior Full-Stack Developer (Node.js, React, MongoDB) (Toronto)

Senior Full-Stack Developer (Python, React, MongoDB)
Position #: | Type: Contract, 3-6 months | Location: GTA - Hybrid VTRAC Consulting Corporation, a Women-Business Enterprise, seeks an experienced Senior Full-Stack Developer to build a decarbonization platform for clean‑tech. This role is in a fast‑paced, early‑stage organization focused on reducing carbon emissions and operational costs in building management. Responsibilities
Build and own end-to-end features across the stack, from backend services to frontend UI. Collaborate with product, design, and domain experts to translate requirements into scalable technical solutions. Implement and integrate AI/ML‑powered carbon reduction tools into the platform. Develop backend services with Node.js (Express) and Python (FastAPI). Build responsive, user‑friendly interfaces using React (Vite). Design, implement, and maintain MongoDB data models and APIs. Leverage Google Cloud Platform for hosting, storage, and deployment. Mentor junior developers and promote best practices in coding, testing, and deployment. Adapt quickly to changing requirements and user feedback. Participate in code reviews, architecture discussions, and sprint planning. Qualifications
Bachelor’s degree in Computer Science, Software Engineering, Mathematics, or a related field. 5+ years of professional experience delivering full-stack features in a SaaS environment. Extensive experience with TypeScript, Node.js, React, and MongoDB. Strong backend experience with Python and FastAPI. Experience deploying and scaling applications on Google Cloud Platform. Proven ability to work in fast-pace, startup-like environments. Strong problem-solving skills, attention to detail, and a growth mindset. Excellent communication skills and ability to collaborate across teams. Passion for sustainability and building impactful products. Good to have: experience in clean-tech, energy efficiency, or building management software. Good to have: familiarity with AI/ML-based applications. Good to have: experience with CI/CD pipelines and cloud-based DevOps practices. VTRAC is an equal‑opportunity employer.
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