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Automate the rotation of sensitive credentials, including RDS database passwords, API keys, and OAuth tokens, using AWS Secrets Manager and Lambda. This skill ensures secure credential lifecycle management, helping maintain system security and compliance by automatically updating credentials for various AWS and third-party services.

An expert in designing, implementing, and optimizing scalable, reliable, and cost-effective data pipelines for both batch and streaming data. Covers advanced topics including ETL/ELT patterns, Kappa/Lambda architectures, workflow orchestration (Airflow/Prefect), transformation using dbt/Spark, and managing modern storage formats like Delta Lake and Iceberg. Focuses heavily on data quality, monitoring, and cost optimization strategies.

A comprehensive guide to securing AWS Lambda execution roles. It details implementing least-privilege IAM policies, utilizing permission boundaries, and restricting resource-based policies. The workflow includes auditing existing permissions using AWS CLI, analyzing actual API usage with CloudTrail and IAM Access Analyzer, and programmatically creating highly scoped policies to minimize the security attack surface.