AWS AI Developers

Full Description

AWS AI Developers

Duration of contract: 6 months

Hybrid work: to Toronto office

2–4 years total software development;

1–2 years building chatbots or ML-powered apps (Lex, Bedrock, or comparable).

Hands-on with serverless (AWS Lambda) and event-driven integrations.

Core Responsibilities

• Develop and maintain Lex intents/slots and Lambda fulfillment

• Integrate and parameterize Bedrock modelcalls (e.g., Claude 3 Haiku) and manage prompt templates and system prompts

• Implement RAG calls: generate Titan V2 embeddings, upsert/query PGVector in PostgreSQL, and perform hybrid semantic + keyword retrieval

• Build secure API flows between iris‑chat‑ui, JWT token generator, and backend services behind the Network Load Balancer; handle auth via Microsoft identity

• Write unit/integration tests; contribute to CI/CD pipelines; document APIs and runbooks

• Instrument logging, metrics, and tracing (CloudWatch, X-Ray) and assist with performance tuning (latency, token usage, concurrency)

• Support Amazon Connect contact flows for handoff/escalation; validate conversation quality and UAT scenarios

Skill Set

• AWS: Lambda, Lex, Bedrock, Amazon Connect, API Gateway (or ALB/NLB), CloudWatch, IAM, Secrets Manager, S3.

• LLM & RAG: embeddings, vector similarity, prompt engineering, context windows, token limits, grounding strategies.

• Data: PostgreSQL, PGVector, schema design for documents/chunks/metadata; basic SQL.

• Languages/Frameworks: Python or Node.js; familiarity with SDKs for Bedrock/DB; RESTful APIs; JSON.

• Security & Compliance: OAuth/OIDC (Microsoft), JWT, IAM policies, KMS, secret rotation; least‑privilege design.

• DevOps: Git, CI/CD (CodePipeline/GitHub Actions), IaC (CDK or Terraform), build/test automation.

• Nice to have: Experience with Claude model families, caching strategies (Redis/ElastiCache), prompt evaluation tools.

Qualifications

• Bachelor’s in CS/Engineering or equivalent experience.

• AWS Cloud Practitioner or Associate-level certification (Developer or Architect) is a plus.

"This role is for an independent consultant working on a contract basis with a

Kyndryl client, and it is not a direct employment position with Kyndryl."