AWS AI Developer to build conversational AI solutions using Amazon Lex, Bedrock, and serverless AWS. 12-month hybrid contract in Toronto, ON.
Responsibilities
Build and enhance Amazon Lex chatbots with Lambda fulfillment. Integrate GenAI models via Amazon Bedrock (prompting, tuning, orchestration). Implement RAG workflows using embeddings and vector search (PostgreSQL / PGVector). Develop secure backend APIs (API Gateway / NLB). Integrate authentication using OAuth/OIDC, JWT (Microsoft Identity). Support CI/CD, logging, monitoring, and UAT. Enable chatbot handoff to Amazon Connect.
Requirements
2–4 years software development experience. 1–2 years building chatbots or GenAI-powered applications. Strong hands-on experience with AWS serverless (Lambda, Lex, Bedrock). Python or Node.js, PostgreSQL, basic SQL. Familiarity with RAG, embeddings, prompt engineering. CI/CD and IaC experience (CDK or Terraform).
Benefits
Work on real-world GenAI use cases at enterprise scale. Modern AWS stack, high-impact delivery. Competitive contract rate and strong team support.
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