John Michael Sarino

Design, develop, and maintain internal database systems using PHP and MySQL to track product compliance, materials data, and chemical regulations Automate manual processes using scripts and database queries, significantly reducing repetitive workload and human error Develop internal tools and dashboards for data entry, monitoring, and report generation Write and optimize complex SQL queries for faster data retrieval and reporting performance Collaborate with compliance, and other teams to gather system requirements and implement solutions Maintain and enhance legacy systems by refactoring code and improving structure for scalability and maintainability Troubleshoot system issues, debug errors, and provide technical support for internal users

Developed and maintained web applications using Ruby on Rails, including business management systems such as ordering, file storage, and workforce monitoring tools Built and enhanced backend features, handling business logic, data processing, and system workflows within the Rails framework Designed and optimized database queries using MySQL, improving data retrieval speed and overall system performance Collaborated with a team of developers to design, develop, test, and deploy new features based on business requirements

Improved UI/UX of internal systems using HTML, CSS, and JavaScript, resulting in a cleaner interface and better usability Identified and resolved bugs, ensuring system stability and consistent performance Participated in code reviews and contributed to maintaining clean, structured, and efficient codebases Assisted in deployment workflows and version control using Git (GitHub/GitLab)

Integrated REST APIs including wallet connections (Zilpay) and NFT data handling Developed dynamic frontend features using JavaScript, jQuery, and Tailwind CSS Implemented interactive 3D elements and animations using Three.js Built and maintained web functionalities for NFT-related platforms