Senior Backend Ai Platform Engineer

Build reliable AI infrastructure with Python and distributed systems at Lydia AI, working hybrid in Toronto to advance ORCA's platform.As a Senior Backend and AI Platform Engineer, you will improve ORCA's execution architecture and establish AI-native engineering practices. You will design backend services, APIs, asynchronous workflows, and secure distributed execution. The work supports reusable AI workflows for enterprise partners and distributors.Key Responsibilities:
Develop backend services for reusable AI workflows and APIsExpose ORCA through A2A and MCP protocolsImplement durable execution, retries, recovery, and monitoringEstablish tested workflow contracts and address technical gapsUse AI coding agents and automated testingRequirements:
Five plus years building production backend or distributed systemsStrong Python and database skillsExperience designing APIs and asynchronous workflowsCloud infrastructure, CI/CD, and production debugging experienceUnderstanding of AI agents, tool calling, and evaluationApply backend, Python, distributed systems, and AI agent expertise to make ORCA reliable, secure, and accessible.
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