Build VXT CMS: - Design & build microservice for content management across devices and web applications, optimizing upload processes based on content types and ensuring automatic scalability for heightened performance.- Crafted an auto-scalable service for device handling and authentication, adeptly handling polling requests for 12,000+ active devices and serving 2.2M requests per minute.-Developed a resilient and scalable microservice for a data logging service, proficiently managing streaming data from all the active devices and handling 4000+ request/min.- Architected and constructed cloud infrastructure for diverse projects and applications using AWS+CDK, meticulously designing from the ground up to ensure optimal performance and reliability.- Created RESTfulAPIs for CRUD operations for contents, schedules, and devices using Express.js & Spring Boot.- Led a team of 3 member, coordinated with Korea HQ and implemented new requirements and released successfully.- Skillfully maintained and enhanced software features, executing major modifications within defined project timelines and priorities outlined in JIRA, ensuring continuous improvement and adherence to high-quality standards.

- Engineered payment gateway APIs, leveraging Verifone APIs to facilitate seamless financial transactions.- Facilitated the integration of Sentry workspace environments for the EU region.- Achieved a 70% improvement in time complexity for the user subscription cycle API and quota allocation to sub-accounts API, optimizing overall system efficiency.- Led the successful upgrade of the payment subscription micro-service backend from Python 2.7 to 3.7, enhancing system compatibility & performance.

Exemplifying versatility at Pointo, I made impactful contributions in both backend and frontend development, orchestrating the creation of crucial APIs for transaction validation and real-time functionalities, and architecting a comprehensive React.js-powered admin dashboard from the ground up,my key experience includes : - Build Api:◘ To validate paytm transaction made by customer after ending ride◘ To validate user location to check whether service is available or not.◘ To Implement SOS feature.◘ To verify new drivers ,etc...- Create socket event to search nearby drivers,endrides,driver reached for pickup etc.- Build admin dashboard from scratch using React.js : showcasing vital ride, user, and driver information, including online/offline and SOS statuses, live ride tracking, and detailed income-sheets for both individual drivers and Pointo as a whole.