Senior Ai-Native Full Stack Engineer

Build AI-native software in Toronto as a Senior Full Stack Software Engineer, using React, Next.Js, Node.Js, and PostgreSQL onsite.At SalesJack, you will own major product surfaces from customer discovery through production delivery. You will shape architecture, make product decisions, and ship daily with AI coding agents. The work spans LLM-powered features, durable workflows, authentication, and multi-tenant systems.Key Responsibilities:
Own features from problem discovery through iterationBuild across Next.Js, Node.Js, BullMQ, and PostgreSQLDesign LLM features with evaluations, guardrails, and budgetsOperate authentication, authorization, and multi-tenant RBACSet engineering standards and mentor engineersRequirements:
Eight to ten years of full stack experienceDeep React and Next.Js expertiseStrong Node.Js and advanced PostgreSQL experienceProduction AI agent and LLM feature experienceHands-on AI coding agent workflow experienceApply senior full stack judgment across AI development, product architecture, and production software at SalesJack in Toronto.
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