• Enhanced Qt C++ Firmware with new features and developed a PHP full-stack web app to interface with the Terminal.• Automated deployment of the development server, daily database backup, and new customer terminal database setup using shell scripts, Azure pipelines, and C#, saving 2 hours daily.• Debugged a legacy VB6 project, providing customer support and proactively suggested and built a new package for simpler program configuration for customer, reducing customer support time by 30 minutes per customer.• Resolved customer bugs and issues by collaborating with the support team and conducting Zoom calls with customers.

• Built React web application, enhancing the user experience by harnessing the power of cloud hosting services, React Router and Redux and employing tools such as Jira and Lucidchart.• Crafted a scalable backend and honed the database, driving enhanced performance with using Nodejs, AWS and PostgreSQL.• Implement business model strategy for a 400% quarterly revenue increase and concurrently designed a cost-effective business process, cutting expenses by 50% versus retail options.

• Developed a PHP, AWS, and Node.js microservice for the company's website order system, automating driver license key generation and saving 3000 minutes per month.• Designed and implemented a PHP, AWS, Firebase, and Node.js-based driver license key purchase tracking system, streamlining license key management for the company.• Led the migration from a legacy front-end code to a React web application, improving developer velocity, user experience, and scalability while simplifying maintenance.

• Created product dashboards for a B2B web application catering to customized food eCommerce. (ReactJS, JSP, and PostgreSQL)• Developed a proxy server and introduced safety mechanisms to prevent security breach and attacks.

• Marked assignments and tests for Introduction of computer science courses