AWS AI Developer - AIDEV 26-00838

Job Title: AWS AI Developer
Location: Onshore Canada (preferably Greater Toronto Area) Hybrid (2 3 days onsite)
Duration: 12 months

Role Summary

A leading organization is seeking an AWS AI Developer to support a conversational AI solution built on Amazon Lex, Amazon Bedrock, and serverless AWS services. This role focuses on chatbot development, Generative AI integration, and Retrieval-Augmented Generation (RAG) in a secure, enterprise environment.

The ideal candidate will have hands-on experience building GenAI-powered applications, working with AWS serverless architectures, and integrating large language models into production systems.

Experience

• 2 4 years of total software development experience

• 1 2 years building chatbots or GenAI / ML-powered applications

• Hands-on experience with AWS serverless and event-driven architectures

Key Responsibilities

• Build and maintain Amazon Lex chatbots with AWS Lambda fulfillment

• Integrate Amazon Bedrock models (e.g., Claude) and manage prompt design

• Implement Retrieval-Augmented Generation (RAG) workflows using embeddings and vector search (PGVector / PostgreSQL)

• Develop secure APIs and backend integrations using API Gateway, ALB, or NLB

• Implement authentication and authorization using Microsoft Identity (OIDC / OAuth, JWT)

• Contribute to CI/CD pipelines, testing frameworks, and technical documentation

• Implement logging, monitoring, and tracing using CloudWatch and X-Ray

• Support Amazon Connect chatbot handoff and user acceptance testing (UAT)

Required Skills

• AWS Services: Lambda, Lex, Bedrock, Amazon Connect, API Gateway / ALB / NLB, IAM, CloudWatch, Secrets Manager

• GenAI / RAG: Embeddings, vector similarity search, prompt engineering

• Databases: PostgreSQL, PGVector, basic SQL

• Programming Languages: Python or Node.js

• Security: OAuth / OIDC (Microsoft), JWT, least-privilege IAM design

• DevOps: Git, CI/CD (CodePipeline or GitHub Actions), Infrastructure as Code (CDK or Terraform)

Nice to Have

• Experience working with Claude models

• Caching solutions (Redis / Amazon ElastiCache)

• Prompt evaluation and testing tools

Education / Certifications

• Bachelor s degree in Computer Science, Engineering, or equivalent experience

• AWS Associate-level certification is a plus