Proficient in Linux systems and vi editor. Comfortable in managing user accounts and permissions. Skilled in Linux commands, shell scripts, and using PuTTY, WinSCP, and Visual Studio Code for coding.Skilled in DDL/DML operations, designing tables, and managing schemas. Installed and configured MariaDB/MySQL on Ubuntu. Experienced in MySQL Workbench, credential management, and performing backups/restores.Developed APIs for login, registration, loans, and deposits in a customer management system. Integrated with MariaDB. Tested with Postman and scripts. Installed Python and set up virtual environments on Ubuntu.Skilled in React, using hooks like useState and useEffect. Configured Babel and Webpack for smooth builds. Debugged issues, maintained live reloading with webpack-dev-server, and installed Node.js on Linux.Managed Git repositories by initializing, staging, and reviewing files. Utilized commands for version control and collaboration on GitHub, set up SSH keys, resolved conflicts, and installed Git on Linux servers.Docker: Created and managed Docker containers, writing Dockerfiles for Python, ReactJS, and MySQL. Used Docker Compose for multi-container setups. Configured volumes for data persistence, troubleshooting and CI/CD pipelines.Experienced in managing AWS EC2 instances, including key pair generation, security configurations, and Linux commands. Proficient in SSH access via PuTTY and Visual Studio Code. Skilled in Docker setup and RDS backup. Prepared migration run-books.