Senior AI Platform Engineer: Scalable Legal AI Systems

1135 Epiq Systems Canada LLC; Toronto; On-site; CAD 126,000 - 175,000; Full time

Job summary

Epiq in Toronto seeks a Senior AI Platform Engineer to design and own the platform powering AI agents and accelerators at production scale. You’ll define APIs, build retrieval and orchestration, and collaborate across global teams to reduce costs and boost performance.

You will mentor engineers, lead design reviews, and champion reliability, observability, and governance in high-stakes legal workflows, while delivering scalable, compliant AI infrastructure.

Qualifications

• 7+ years building production software with end-to-end ownership.
• Experience building production AI/LLM systems with retrieval-augmented generation and agentic workflows.
• Strong Python and TypeScript development and distributed systems experience.

Responsibilities

• Design and build platform components for AI agents and accelerators.
• Define stable APIs and data contracts for product teams.
• Mentor engineers and lead code reviews across teams.
• Ensure observability, reliability, and cost controls.

Skills

Python

TypeScript

Distributed systems

AI/LLM systems

On-call / incident response

Observability

Code reviews

Mentoring

Communication

Education

Bachelor's or Master's in computer science or related field

Tools

LangGraph

LangChain

MCP

Langfuse

OpenTelemetry

PostgreSQL

Job description

Epiq in Toronto seeks a Senior AI Platform Engineer to design and own the platform powering AI agents and accelerators at production scale. You’ll define APIs, build retrieval and orchestration, and collaborate across global teams to reduce costs and boost performance.

You will mentor engineers, lead design reviews, and champion reliability, observability, and governance in high-stakes legal workflows, while delivering scalable, compliant AI infrastructure.