Administered and optimized PostgreSQL databases on AWS RDS (Virginia & Ireland), enhancing data accessibility by 25% and ensuring high availability, automated security, and audit compliance.
Investigated and resolved critical database issues, including schema conflicts and table visibility problems, reducing system downtime and support requests by 40% in a scrum-based development environment.
Developed and maintained Python-based microservices with predictive data modeling and RESTful APIs, improving data accuracy by 20% and boosting backend efficiency and scalability in centralized PostgreSQL.
Implemented S3 bucket policies and encryption settings to ensure compliance with data security standards, automating alerting and compliance checks using AWS Lambda and SNS.
Contributed to CI/CD migration planning by designing automated deployments from GitHub to AWS across environments to improve consistency and reduce deployment errors.