Senior Full Stack AI Engineer (DIRECT HIRE ONLY)

Waterloo Data is a consulting firm specializing in AI/ML, data management, application development, and cloud engineering. They are seeking a highly skilled Senior Full Stack AI Engineer to lead the design, development, and deployment of AI-powered applications, while driving architectural decisions and mentoring engineering peers.

Responsibilities:

• Architect, develop, and own end-to-end delivery of enterprise AI-powered applications using Claude, ChatGPT, OpenAI APIs, Anthropic APIs, and other LLM platforms, establishing reusable patterns and engineering standards for the team
• Lead the design and implementation of intelligent agents, copilots, agentic workflows, and knowledge management systems; define architectural guardrails and review implementations across the engineering team
• Lead front-end architecture decisions and build highly scalable applications using React, Next.js, Angular, or similar frameworks; enforce coding standards, accessibility, and performance benchmarks
• Design and govern secure authentication, authorization, and user management systems across AI application surfaces, ensuring compliance with organizational security standards
• Champion user experience quality by developing and reviewing responsive interfaces that enable intuitive, high-performance interaction with AI systems
• Drive advanced prompt engineering, multi-step agent workflow design, memory and context management, and MCP-based tool integrations; establish evaluation frameworks and best practices adopted across the engineering organization
• Own AI model performance evaluation and optimization programs, defining benchmarks for accuracy, latency, cost, and user experience; lead trade-off decisions and communicate findings to technical and non-technical stakeholders