**Architectural Design & Development:Transitioned from monolithic to microservices architecture using ExpressJS and NestJS, significantly improving scalability and maintainability.Implemented decentralized databases for microservices to minimize coupling and enhance performance.Adopted a Monorepo structure, leveraging GitHub’s NPM package registry for better code reusability and team collaboration.**Coding Standards & Best Practices:Followed industry-standard design patterns like Singleton, Factory, and Adapter.Adhered to SOLID and DRY principles in both frontend and backend codebases, ensuring clean, maintainable, and efficient code.**AWS Cloud & Deployment:Deployed microservices on AWS, utilizing Cost Explorer for budget monitoring and alerting.Managed API exposure and security through Amazon API Gateway.Used Amazon RDS for relational databases and MongoDB for lightweight NoSQL solutions.Leveraged ECS/EKS for containerized applications, allowing greater control and efficient resource management.Utilized CloudWatch for monitoring and logging, identifying performance bottlenecks and optimizing resource utilization.**Leadership & Project Management:Led full-stack teams in the development of critical projects including a personalized ChatBot, a Beauty Salon application, and an HRMS system for payroll, attendance, and project management.Delivered innovative software solutions while driving team efficiency through Agile methodologies and JIRA for project tracking and management.**Key Projects:Directed the development of a robust CRM system, enhancing client relationship management and business processes.Spearheaded the creation of a user-friendly ChatBot and a comprehensive Salon Application, increasing customer engagement and operational efficiency.