Tushar . Email & Phone Number

India

• Designed and implemented a scalable developer portal for API management, including issuing API key, trialfacilitation, publishing new apis using Node.js, Express.js, and Java adhering to design patterns.• Developed a multithreaded Usage Portal microservice to capture client api usage data utilizing Spring Boot,JPA and presenting those insights and analytics with charts/tables on a portal.• Built a robust notifications system from scratch, using AWS SNS and Kafka to… Show more • Designed and implemented a scalable developer portal for API management, including issuing API key, trialfacilitation, publishing new apis using Node.js, Express.js, and Java adhering to design patterns.• Developed a multithreaded Usage Portal microservice to capture client api usage data utilizing Spring Boot,JPA and presenting those insights and analytics with charts/tables on a portal.• Built a robust notifications system from scratch, using AWS SNS and Kafka to send 1,000+ notificationsconcurrently incorporating NoSQL DB.• Engineered front-end web applications using React and Vue.js, incorporating responsive design and reusablecomponents. Utilized hooks, context API for efficient data handling, Redux and Vuex for state management andoptimized components with memoization, code splitting and lazy loading.• Optimized Postgres SQL queries and integrated a Redis caching layer, decreasing load time by 15%.• Implemented unit testing and end-to-end tests with Jest, Cypress, Junit achieving up to 99% code coverage.• Handled on-call duties, CI/CD deployments, and troubleshooting production issues with Sentry, Kibana, andGrafana. Participated in code reviews ensuring well documented, quality code and adhering to SOLID principles.• Collaborated with cross-functional teams and designers to ensure seamless integration and timely delivery, while working with product managers to align development with business goals following agile methodologies. Show less

Gurugram, Haryana, India

• Contributed to the development of Delivery Service distributed system using Java 14 (Spring Boot),enhancing client and hub onboarding and ensuring server-side reliability and scalability.• Designed and implemented a Payments microservice using Node.js, Redis, and Kafka, enhancing secure payment processes with real-time data streaming, integrated multithreaded solutions to increase efficiency.• Resolved bugs in driver app, optimized complex database PostgreSQL queries improving… Show more • Contributed to the development of Delivery Service distributed system using Java 14 (Spring Boot),enhancing client and hub onboarding and ensuring server-side reliability and scalability.• Designed and implemented a Payments microservice using Node.js, Redis, and Kafka, enhancing secure payment processes with real-time data streaming, integrated multithreaded solutions to increase efficiency.• Resolved bugs in driver app, optimized complex database PostgreSQL queries improving response time by 20%.• Built Angular and Vue front-end applications for driver app and admin portals, integrating features to enhance the user experience and implementing JUnit, Mockito unit tests for clean codebase quality and functionality. Show less

India

- Developed backend RESTful APIs for Travels website.- Contributed to airline service project from scratch in MERN stack- Contributed Video calling application for a Healthcare based company

India

- Built E-learning Spring Boot app providing students with access to registered courses and old papers. - Facilitated student interactions through posts, questions, comments, and replies, and added a notification service.- Integrated Payment solutions for streamlining secure transactions with Instamojo

India

- Worked as Technical Content Writer at GeeksforGeeks. I was responsible for writing new articles and improving any existing articles.- I had published 250+ articles covering various domains like Software Engineering, C++, Data structures and algorithms, Java, Spring Boot, NodeJS, Python scripting etc.