• Implemented network load balancing for Java applications using HTTP, TCP, and DNS technologies

• Developed and maintained a vulnerability scanning tool using Golang and Python

• Engineered real-time streaming processing systems with Apache Storm and Esper, integrated with ZMQ, Graphite, and Kafka

• Set up and managed DevOps environments using Vagrant, Chef, and Docker

• Integrated and optimized system monitoring and data storage solutions with Graphite, ZMQ, MySQL, Redis, and Elasticsearch

• Developed a custom PowerDNS ZMQ plugin using Python

• Created and managed Debian and RPM packages for Ubuntu and Fedora distributions

• Designed and implemented statistical charts for network usage, leveraging D3.js, Google Maps, AmCharts, JQuery, and PHP

• Implemented Infrastructure as Code (IaC) using Terraform for managing EKS clusters on AWS and GCP

• Successfully migrated approximately 50 applications from EC2 and ECS to EKS

• Configured CI/CD pipelines using Jenkins, GitHub Actions, and ArgoCD to streamline deployment processes

• Developed custom tools for building Kubernetes resource templates

• Created automation and monitoring tools to detect and resolve system errors

• Built an AWS CLI tool to manage Golang application build environments with dynamic spot instances.

• Developed RESTful APIs for Android applications using the Play! framework

• Automated deployment processes using Jenkins, ANT, and Unix shell scripting

• Built a Content Management System (CMS) using Node.js and Angular.js

• Created service monitoring tools leveraging Node.js, Python, and Java

• Configured and managed server infrastructure on AWS, including EC2, Load Balancers, RDS, Redis, S3, and Route 53

• Developed log analysis tools using Apache Tajo and Elasticsearch with Java

• Implemented Android features for seamless service integration.