Destava

Senior Backend / AI Systems Engineer

Spellbook is hiring for Senior Backend / AI Systems Engineer in Remote - Ontario. Remote, Senior level. First seen October 25, 2026; open as of November 9, 2026. Jobs taken straight from company career pages — no aggregator in between.

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Company
Spellbook
Where
Remote - Ontario
Arrangement
Remote
Level
Senior
First seen
October 25, 2026
Listed via
Ashby

What the posting says

THE TECH STACK Node.js, TypeScript, Express, tRPC, MongoDB, Docker, AWS, CDK, LLM providers (OpenAI, Anthropic, and others) RESPONSIBILITIES - Build and scale backend systems that support core product functionality across Spellbook (Reviews, Chat, Library, and more). - Design low-latency, high-reliability search, inference, and orchestration layers for AI features - Build and operate RAG retrieval at scale with production-grade performance optimization and permissions-correct data isolation. - Own core platform concerns for AI: rate limiting, retries, consistency, fallbacks, safe degradation…

Read more and apply on Spellbook's site

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