Java (8/11/17+), Spring Boot, Microservices Architecture, REST APIs, Spring Security, JPA/Hibernate, React JS, JavaScript (ES6+), HTML5, CSS3, Redux/Context API, and AWS Cloud Services (EC2, ECS/EKS, Lambda, S3, RDS, API Gateway, IAM, CloudWatch). The role involves leading end to end application development, solution architecture, technical design reviews, code quality governance, mentoring development teams, and collaborating with cross functional stakeholders to deliver scalable, secure, high performance cloud native applications using Agile methodologies.