Tell me about the AWS services you have worked on.
💡 Model Answer
I have hands‑on experience with several core AWS services. In my last role I designed and deployed a highly available web application using Amazon EC2 for compute, Amazon RDS for a PostgreSQL database, and Amazon S3 for static asset storage. I also leveraged Amazon CloudFront as a CDN to reduce latency for global users. For configuration management I used AWS CloudFormation to codify infrastructure, enabling repeatable deployments and version control. I implemented monitoring with Amazon CloudWatch and set up alarms to trigger SNS notifications for critical metrics. Additionally, I integrated AWS IAM to enforce least‑privilege access and used AWS Secrets Manager to securely store database credentials. For cost optimization, I applied Reserved Instances and Spot Instances where appropriate, and used AWS Trusted Advisor to identify idle resources. This combination of services gave me a solid understanding of how to build scalable, secure, and cost‑effective solutions on AWS.
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