• Built microservices with Java, enhancing payment solutions such as QR generation, refunds, EMI, and pay-later services. This led to a 30% reduction in response times.• Partnered with leading banks (Kotak, ICICI, SBI, Axis) to optimize QR code generation, streamline refund processes, and onboard merchants, driving a 40% increase in merchant acquisition.• Integrated RabbitMQ to enhance asynchronous messaging, boosting message delivery speed by 40% and reducing system load during peak periods.• Successfully deployed over 20 services using AWS API Gateway, resulting in a 15% improvement in request throughput and ensuring service discoverability, security, and scalability.• Spearheaded the integration of sound box technology for real-time transaction notifications, reducing notification latency by 35% and improving the user experience.• Streamlined CI/CD processes with Jenkins and GitLab, reducing deployment time by 50% and increasing system uptime by 20% through proactive monitoring using Grafana and Prometheus.• Managed both relational and NoSQL databases, including Oracle, MySQL, MongoDB, and DynamoDB, optimizing query performance by 20% and ensuring database reliability.• Ensured high-quality code by achieving 95% unit test coverage and conducted load testing to reduce system downtime by 15%. Proactively debugged and resolved production issues to minimize disruptions.

• Led the successful migration of a legacy system to Java11, improving system performance by 25% and enhancing security. • Developed and deployed RESTfulAPIs to streamline system integration, improving workflow efficiency by20%. • Optimized application response time by30%usingmultithreading, significantly enhancing real-time data processing. • Played a key role in transitioning services to containerized environments using Docker and Kubernetes for seamless deployment.