Sanujan Uthayasooriyan

• • Maintained production AWS EKS clusters and providing on-call support with leads on emergency troubleshooting during downtime.

• • Provisioned secure and scalable public and private API Gateways integrated with AWS Lambda using Terraform, enabling controlled internal and external API access.

• • Set up secure cross-account networking for five teams, allowing their Lambda functions and API Gateways to communicate privately between different AWS accounts.

• • Created the full deployment for a Node.js app: wrote the Dockerfiles, automated the build to AWS ECR, and managed the ECS services to handle API traffic from a separate AWS account with API Gateway.

• • Led technical workshops and maintained living documentation to ensure long-term maintainability of CI/CD pipelines and infrastructure.

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Automated deployment of EKS clusters using Terraform and integrated Karpenter for autoscaling, significantly enhancing resource utilization and cost efficiency.

• • Integrated Prometheus and Grafana for real-time application and infrastructure monitoring, improving observability and accelerating incident response.

• • Contributed to the development of an Internal Developer Platform by building microservices to streamline operations such as Helm chart management and infrastructure provisioning.

• • Experience in Cloud Infrastructure provisioning using Terraform.

• • Developed GitHub Action CI/CD Pipeline workflow with OpenID Connect.

• • Implemented Cross Account Access IAM role CloudFormation template.

• • Implemented a poc for a Notification system using web-socket API Gateway.

• • Experience