Sunil H E

Developed a Mini Ticketing System to sell, manage, and track event tickets, using design patterns for scalability and maintainability, with A/B testing to optimize user experience. Contributed to complex feature implementation with Next.js, integrating RESTful microservices built with FastAPI and Strapi CMS. Designed and maintained RESTful APIs for mobile app integration, while addressing security audit tickets to ensure compliance and mitigate vulnerabilities. Leveraged Docker and Kubernetes for containerization and orchestration, enabling scalable and resilient microservice deployments. Integrated Kafka for event-driven architecture, improving microservice communication with asynchronous messaging and enhancing scalability and fault tolerance. Utilized Prometheus and Grafana for real-time monitoring and observability, integrated ELK for log management and Redis for caching and optimizing database performance. Key Accomplishment: Optimized API performance, reducing response times from over 2000ms to approximately 200ms through API tuning and caching.

Created and maintained webpages utilizing HTML, CSS, JavaScript, and Node JS. Developed custom Node applications to meet client requirements. Integrated third-party APIs into existing systems. Utilized libraries such as jQuery, Bootstrap, AngularJS, ReactJS for building interactive interfaces. Worked closely with UI and UX designers to develop responsive front-end interfaces using HTML5, CSS3, JavaScript, ReactJS and Next Js frameworks. Key Accomplishment: Increased performance by 20% across the application by implementing Redis caching.

Contributed to the development of B2B and B2C e-commerce features, enhancing the end-user experience and integrating a payment gateway and virtual account solution for seamless transactions. Developed web services and RESTful APIs for web and mobile applications, ensuring smooth communication and integration across platforms. Built an internal order picking system, optimizing operations by reducing manual tasks and improving performance and system reliability. Worked with Vue Js for frontend development and PHP Laravel with Mysql for backend, delivering scalable and efficient solutions. Gained hands-on experience with payment processing and Point of Sale (POS) systems, while troubleshooting and resolving complex customer issues in production environments. Implemented unit testing with PHPUnit, followed industry best practices like code reviews, build automation, and thorough documentation to ensure quality and consistency. Key Accomplishment: Designed migration of legacy infrastructure to cloud and cleaning up existing code.

Created back-end services for data manipulation and business logic using Node.js. Designed database schemas to store application data using MongoDB. Configured servers to host web applications in Linux environment. Maintained version control systems like Git for source code management. Implemented responsive web design principles to ensure applications are mobile-friendly across various devices using HTML5, CSS3, JavaScript, Bootstrap and AngularJS frameworks. Utilized libraries such as jQuery, Bootstrap, AngularJS for building interactive interfaces. Key Accomplishment: Enhanced customer satisfaction by 20% with optimized website performance.