● Developed and supported multiple web applications, such as a bus ticket booking site, discount coupon service, and admin panels for vendor integration, agent sales, and ticket management, enhancing service availability and user satisfaction.● Integrated APIs across various systems, boosting overall operational efficiency through new vendors, mail delivery systems, VoIP call systems, e-commerce billing systems, and insurance systems.● Engineered a custom Helpdesk system integrated into… Show more ● Developed and supported multiple web applications, such as a bus ticket booking site, discount coupon service, and admin panels for vendor integration, agent sales, and ticket management, enhancing service availability and user satisfaction.● Integrated APIs across various systems, boosting overall operational efficiency through new vendors, mail delivery systems, VoIP call systems, e-commerce billing systems, and insurance systems.● Engineered a custom Helpdesk system integrated into the admin panel, doubling user request handling efficiency and significantly reducing staffing needs.● Ensured cross-browser compatibility and responsiveness of the sales website across different screen sizes with a new design integration.● Eliminated dependence on outsourced frontend development by leveraging custom scripts, Gulp, and SCSS for file optimization.● Enhanced interactive statistical charts to enable advanced data analysis capabilities, including combination, aggregation, filtering, and grouping of statistical values.● Conducted A/B split tests to optimize new site features and markup strategies, resulting in increased customer loyalty and revenue by 30%. Show less