Senior Full-Stack AI Engineer

The role

You will build and evolve AI systems for a gaming client's player support platform. This includes designing agentic workflows, LLM orchestration, and React applications.

What you will do

• Design and extend production-grade LLM applications and agentic workflows
• Build and maintain the underlying conversation engine
• Integrate tool-use and agentic protocols
• Evaluate, benchmark, and tune models across multiple providers
• Troubleshoot production AI issues
• Build resilience mechanisms
• Instrument and tune model quality
• Build player-facing and support-agent-facing experiences in React
• Develop and maintain the admin interface
• Write comprehensive automated tests

Required qualifications

• Business-level English proficiency (written and verbal)
• Proven experience building and operating production LLM-powered systems
• Strong TypeScript/Node.js engineering skills
• Hands-on production AI experience
• Full-stack depth
• Ability to evaluate tradeoffs between model quality, latency, reliability, throughput, and cost
• Ability to troubleshoot AI systems
• Experience modeling complex asynchronous workflows
• Solid understanding of REST API design, asynchronous patterns, and caching strategies
• A strong testing culture
• Experience working in a monorepo with multiple interconnected services

Nice to have

• Experience with agentic tool-use protocols (e.g., MCP), semantic search/retrieval architectures, or AI gateways
• Familiarity with LLM observability and evaluation platforms
• Experience building AI copilots, assistants, or other conversational products
• Hands-on experience with NestJS specifically
• Background in customer support or player support platforms, gaming, or high-volume consumer products

About the company

TELUS Digital is a digital product consultancy and the digital division of TELUS. They design and deliver transformative customer experiences through technology and agile thinking.