• Designed, developed, and maintained a highly scalable Integrated Time Attendance and Payroll system used by over 800 organizations across 5 cities, managing more than 300,000 users.
• Led a team developing a full-stack SaaS application for car dealerships, adopted by 150+ companies to streamline automobile retail operations.
• Orchestrated a seamless migration to AWS cloud infrastructure using EC2, DynamoDB, Lambda, Kinesis, SQS, and CloudFormation, improving availability and security while reducing infrastructure costs by 35%.
• Designed and implemented a robust Kafka-based event-driven messaging architecture, enabling real-time data streaming and asynchronous communication across microservices.
• Containerized 10+ microservices using Docker and Amazon EKS, significantly improving resource allocation, scalability, deployment reliability, and platform independence.
• Built OAuth 2.0 authentication and authorization with Spring Security, strengthening API security and protecting sensitive user data.
• Collaborated with cross-functional DevOps teams to automate CI/CD workflows with Jenkins, Python, and Bash scripts, increasing weekly rollout frequency by 75%.