• Provision, manage, and troubleshoot infrastructure-related items in AWS using Infrastructure-as-Code (IaC) tools: Terraform, Terragrunt, and Ansible.• Handle Kubernetes clusters from creation to upgrades, automated backup, troubleshooting, and other day-to-day operations. Also handle writing custom Helm charts for internal microservices.• Automate staged deployment processes for different environments using Bitbucket pipelines for classic servers and Kubernetes (GitOps with Helm and ArgoCD).• Collaborate closely with developers, offering guidance on local development setups related to Kubernetes / Tilt, assisting with deployment troubleshooting, and addressing ad-hoc requests.• Investigate infrastructure-related incidents promptly, provide comprehensive Root Cause Analysis (RCA), and implement solutions to prevent recurrence.• Create and maintain logging, alerting, and distributed tracing using a combination of ELK, Prometheus / Thanos / Grafana / Loki stacks, and OpenTelemetry.• Ensure high availability of microservices applications during deployments and daily operations.• Optimize cloud costs in various ways, e.g. by rightsizing Kubernetes pod resource requirements based on Prometheus metrics.• Enhance security and regulate user access by implementing a VPN for the lower environment and setting up SSO.• Provide support directly to end-clients when required, usually related to Docker and networks.• Create various documentations related to infrastructure and general Kubernetes how-to guides for developers.• Manage various databases and messaging brokers such as MySQL, MongoDB, Postgres, Redis, RabbitMQ, and NATS.• Integrate security checks into CI pipelines to ensure robust application health by utilizing tools for tasks like image scanning and leveraging Sonarqube for code quality assessments.

• Write maintainable & performant backend codes for website using NodeJS & Express along with Sequelize and RDBMS such as MariaDB & MSSQL• Integrate between backend API and frontend framework• Handle user ticket related to project issues and perform root cause analysis and/or bugfixing• Configure server to handle high web traffic with nginx & PM2• Automate build & deployment process for all environment using Jenkins & bash script to reduce human error and speed up deployment time• Setup monitoring dashboard along with alert notification for webservers & VMs using Grafana and InfluxDB• Implemented job queuing system using NodeJS, Bull, and Redis to handle load surge during deadline, improving hardware resource efficiency and general user experience

• Manage Linux Server with various technologies such as CPanel, nginx, php-fpm and WordPress• Write & maintain web application written in PHP using Laravel framework• Manage company and client networking infrastructure - which mostly are Mikrotik