Senior Software Engineer building LLM infrastructure and AI foundations for Relay’s digital banking platform. Exploring emerging technologies and enabling product teams to ship AI workflows safely.
Responsibilities
Build and deploy secure, reusable LLM systems for product experiences
Own AI infrastructure across its lifecycle, from design through deployment and monitoring
Lead exploratory initiatives and proof-of-concepts for emerging technologies
Produce recommendations on whether and how Relay should adopt evaluated technologies
Provide teams with tooling, patterns, and guidance to ship AI workflows quickly and safely
Partner with product teams as an AI technical expert
Help teams make sound technical decisions rather than building everything for them
Identify technical, process, and product improvement opportunities
Influence technical direction and long-term strategy
Participate in live coding, system design, and interview processes as described
Requirements
3+ years of full-stack software engineering experience
Experience leading development of significant components or features with minimal oversight
Ability to move between exploratory prototypes and production-ready systems
Strong judgment in evaluating emerging technology
Experience mentoring junior engineers
Ability to drive code quality, performance optimization, and development process improvements
Curiosity about new frameworks, best practices, and emerging technologies
Comfort working in fast-paced, dynamic environments and navigating ambiguity and change
Collaborative approach and willingness to give and receive feedback
End-to-end ownership and proactive problem solving
Legally authorized to work in Canada
Must be able to join the Toronto office three days a week (Tues/Weds/Thurs)
Agentic AI experience is a plus
Startup or high-growth technology company experience is a bonus
Hands-on LLM experience, including self-hosting or serving open models, retrieval systems, evaluation, or agentic workflows, is a bonus
Platform or shared services experience is a bonus
JavaScript experience is a bonus
Working knowledge of AWS services and continuous deployment pipelines is a bonus
Successful background check and employment verification through Certn required
Benefits
Compensation changes are not limited to a once-a-year review cycle
Background check and employment verification through Certn as a condition of employment
Accommodations available at any stage of the hiring process
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