Senior AI Platform Engineer - Own End-to-End, Scale AI

Epiq; Toronto; On-site; CAD 126,000 - 175,000; Full time

Benefits offered by this job

Discretionary bonus

Professional growth opportunities

Job summary

Epiq is seeking a Senior AI Platform Engineer in Toronto, Canada. You will design and build the platform for AI agents and accelerators, handling orchestration, retrieval, evaluation, observability, and scalable inference.

You will mentor engineers across Toronto, the US, and India while delivering reliable systems at scale. You will work on AI Agents and AI Accelerators to automate large-scale document review tasks, including summarization and OCR, enabling defensible outcomes with cost

Qualifications

• 7+ years building production software with end-to-end ownership.
• Experience building production AI/LLM systems, including retrieval-augmented generation and agentic workflows.
• Strong Python; comfortable with a TypeScript codebase.
• Experience with distributed systems, asynchronous and event-driven architectures, and large batch data processing.
• Demonstrated ownership of production reliability: instrumentation, on-call, incident response, and data-driven improvements.
• Clear written communication to explain design decisions and trade-offs to engineers and non-engineers.

Responsibilities

• Build and own platform capabilities powering AI agents, including orchestration, retrieval, model routing, tool integration, and reliability.
• Design retrieval systems for large‑scale legal document collections.
• Develop shared platform services including prompt management, caching, rate limiting, and cost attribution.
• Define stable APIs and data contracts for product teams.
• Develop evaluation frameworks and observability to measure accuracy, grounding, citation quality, and system performance.
• Establish quality gates and monitoring to identify regressions before production.

Skills

Python

TypeScript

Distributed systems

Asynchronous architectures

Large batch data processing

Production reliability

AI/LLM systems

Retrieval-augmented generation

Agentic workflows

Production software experience

Communication

Education

Bachelor's or Master's in CS or related field

Tools

PostgreSQL

OpenTelemetry

LangGraph

LangChain

MCP

Job description

Epiq is seeking a Senior AI Platform Engineer in Toronto, Canada. You will design and build the platform for AI agents and accelerators, handling orchestration, retrieval, evaluation, observability, and scalable inference.

You will mentor engineers across Toronto, the US, and India while delivering reliable systems at scale. You will work on AI Agents and AI Accelerators to automate large-scale document review tasks, including summarization and OCR, enabling defensible outcomes with cost