Job DescriptionAt this time, we are only able to consider candidates who reside and work in British Columbia, Alberta, Manitoba, or Ontario, where the company is registered to operate.Trinnex, a wholly owned subsidiary of CDM Smith, is looking for a Senior Full Stack Developer to join our growing Digital Solutions team. You'll work on modern, high-impact applications that bring together sensor and IoT data, geospatial technologies, machine learning, and AI-powered agent systems to solve real-world engineering and environmental challenges. In this role, you'll help shape next-generation intelligent applications, including systems that use autonomous and semi-autonomous agents, retrieval-augmented generation (RAG), and agent orchestration frameworks. You'll work across the full technology stack, collaborate with a talented, cross-functional team, and have the opportunity to influence technical direction while building scalable, production-ready solutions.
Full Stack & API Development
• Design, develop, and maintain scalable frontend and back-end applications using modern frameworks and architectures. • Build, integrate, and optimize REST, GraphQL, and other APIs to support secure, high performing systems.
• Apply best practices in code quality, security, performance optimization, and testing throughout the development lifecycle.
AI Enabled & Agent Based Systems
• Contribute to the design and implementation of AI driven features, including agent-based workflows and intelligent application components.
• Support systems that use retrieval augmented generation (RAG), vectorized data access, and contextual retrieval strategies.
• Collaborate on architectures that enable agent orchestration and agent to agent (A2A) communication.
Testing, Deployment, and DevOps Collaboration
• Develop and execute automated testing strategies to ensure reliability and performance.
• Deploy applications through CI/CD pipelines and partner with DevOps teams to support scalability, monitoring, and production readiness.
• Troubleshoot and resolve complex issues across the application stack.
Collaboration, Mentorship, and Delivery
• Collaborate with developers, designers, DevOps, and domain experts on solution design and feature delivery.
• Conduct code reviews and contribute to continuous improvement of engineering practices.
• Mentor and support junior developers across frontend, backend, and integration work.
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Skills & Abilities• Strong experience designing and developing full stack web applications.
• Proficiency with modern front-end frameworks (e.g., React with Context API and Hooks).
• Experience with back-end development using C#/.NET and JavaScript/TypeScript (Node.js, Next.js, Express).
• Solid understanding of API design, data integration, and system architecture.
• Experience with geospatial technologies such as ESRI, PostGIS, and Mapbox.
• Demonstrated ability to diagnose and solve complex technical problems.
• Strong communication and collaboration skills, with the ability to explain technical concepts clearly.
• Experience designing or contributing to agentic systems, including multi step or multi agent workflows.
• Understanding of RAG patterns, agent orchestration concepts, and A2A communication models.
• Familiarity with AI development tools and assistants (e.g., Claude, Cursor).
• Proactive mindset toward learning and applying emerging technologies.
Qualifications- Bachelor's degree.
- 5 years of related experience.
Equivalent additional directly related experience will be considered in lieu of a college degree. Domestic and/or international travel may be required. The frequency of travel is contingent on specific duties, responsibilities, and the essential functions of the position, which may vary depending on workload and project demands.
Preferred Qualifications- Experience with cloud platforms and Kubernetes-based environments.
- Knowledge of CI/CD pipelines and automated deployment practices.
- Familiarity with Google Cloud Platform (GCP).
- Experience building AI-driven or agent-based applications in production.
- Hands-on experience with multi-agent orchestration, Model Context Protocol (MCP), and standardized agent access to local and remote data.
- Practical experience implementing RAG solutions, including document ingestion, vector storage, and contextual retrieval.
Amount of Travel RequiredNo Travel is required
Additional Information This job posting is for an existing vacancy.
Pay Range MinCAD $120,411.00
Pay Range MaxCAD $210,704.00
Additional Pay Range InformationCDM Smith is committed to fair and equitable compensation practices. This pay range is a good faith estimate representative of all experience levels for the geographic location assigned to the position. In addition to geographic location, a candidate's salary is determined by several other factors including, but not limited to, the role, function and associated responsibilities, relevant work experience, skills, required certifications, and education/training.
Additional CompensationAll bonuses at CDM Smith are discretionary and may or may not apply to this position.
Visa Sponsorship AvailableNo-Please note that all applicants must be legally eligible to work in Canada, for the Company, at the time of hire. Furthermore, this is not a position for which the Company is offering immigration application sponsorship or support
