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Praveen Chamarthi

PROFILE

Praveen Chamarthi

Over two months, Prashanth Chamarty enhanced the aws-samples/amazon-bedrock-samples repository by building and securing Retrieval-Augmented Generation (RAG) workflows for Amazon Bedrock. He implemented PII redaction before knowledge base ingestion and enforced role-based access controls, using AWS Lambda, Amazon Comprehend, and Amazon Cognito to strengthen data privacy and governance. Prashanth unified deployment orchestration with AWS CDK and streamlined resource management, improving maintainability and production readiness. He also refined the Streamlit UI, addressing session state reliability and expanding user-facing guardrails. His work demonstrated depth in backend development, cloud security, and infrastructure as code, delivering robust, scalable solutions for sensitive data handling.

Overall Statistics

Feature vs Bugs

80%Features

Repository Contributions

11Total
Bugs
1
Commits
11
Features
4
Lines of code
6,229
Activity Months2

Work History

March 2025

9 Commits • 2 Features

Mar 1, 2025

Concise monthly summary for 2025-03 focused on delivering secure, scalable Bedrock integrations and UI/guardrail improvements with reliable session handling. Delivered a unified RAG deployment orchestration and Bedrock setup improvements, refined user-facing guardrails, and fixed a critical Streamlit session state bug to preserve login state and history across scenarios. Improvements included script consolidation, CDK-based resource naming, and documentation enhancements to support maintainability and rapid production readiness.

February 2025

2 Commits • 2 Features

Feb 1, 2025

Concise February 2025 monthly summary focused on two RAG security enhancements in the aws-samples/amazon-bedrock-samples repository, highlighting features delivered, impact, and technologies demonstrated.

Activity

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Quality Metrics

Correctness86.4%
Maintainability81.8%
Architecture82.8%
Performance74.6%
AI Usage27.2%

Skills & Technologies

Programming Languages

HTMLMarkdownPythonShell

Technical Skills

API GatewayAWS BedrockAWS CDKAWS LambdaAmazon BedrockAmazon CognitoAmazon ComprehendAmazon MacieAmazon OpenSearchAmazon S3Backend DevelopmentCloud SecurityDevOpsDocumentationDynamoDB

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

aws-samples/amazon-bedrock-samples

Feb 2025 Mar 2025
2 Months active

Languages Used

PythonShellHTMLMarkdown

Technical Skills

API GatewayAWS CDKAWS LambdaAmazon BedrockAmazon CognitoAmazon Comprehend

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