virtusa
Tech Lead
Salary
Job description
Skill set.
Bedrock Native Features, AI Methodologies, Foundation Models
Key Responsibilities
RAG & Knowledge Base Engineering Design and optimize Retrieval-Augmented Generation (RAG) pipelines using Knowledge Bases for Amazon Bedrock to query proprietary data with low latency.
AI Agent Orchestration Build and deploy autonomous multi-agent systems using Bedrock Agents, wiring them to enterprise workflows via AWS Lambda action groups.
Model Evaluation & Tuning Conduct rigorous testing to evaluate model outputs for accuracy and bias, applying fine-tuning or prompt iterations to minimize hallucinations.
AI Safety & Governance Implement enterprise-grade data boundaries and content moderation policies utilizing Guardrails for Amazon Bedrock and strict IAM permissions.
Application Integration Collaborate with backend teams to expose Bedrock-powered features via secure REST or WebSocket APIs using Python and modern LLM frameworks.
