Akash Kumar 🇵🇰 Email and Phone Number

• Distributed User Session Management: Implemented user session management using Redis within a distributed architecture.• Performance Testing with JMeter: Conducted thorough performance testing utilizing JMeter, assessing the CRM system's responsiveness under various workloads to ensure optimal performance.• JMeter Test Script Development: Developed JMeter test scripts to accurately simulate user interactions with CRM functionalities.• Elasticsearch Query Optimization: Optimized Elasticsearch queries and aggregations for efficient data retrieval and analysis.• NGINX Server Deployment: Deployed applications on NGINX servers, ensuring enhanced performance and reliability.• NGINX and Reverse Proxy: Implemented project deployment using NGINX Reverse Proxy, with an additional NGINX node to serve the frontend developed in React.• Multi-Node Deployment: Configured deployments for multi-node architectures, focusing on performance optimization and redundancy.• Configuration Server Node: Developed a microservice to provide system-level configurations requested by other services.• Administration Module: Developed a comprehensive user management module, including roles, permissions, activity tracking, and notifications.• Customer Hub: Created a customer hub feature to manage customer services, complaints, requests, escalations, and engagements.• Gateway and Spring Security (JWT): Integrated request filtering and user session tokens using Spring Security (JWT) within the project's Gateway service.

ResponsibilitiesImplementing a microservices-based architecture to achieve scalability and improve performance.Leveraging the features of Java Quarkus, such as hot reloading and real-time updates, to make the development process more efficient and faster.Ensuring communication between the frontend and backend through a middleware layer of FSM.Maintaining the core functionality of the system while transforming it to meet the demands of the modern era.

Involved in an end-to-end design, development, implementation, and management life-cycle of J2EE based applications that are scalable, reliable, secure, and fault-tolerant.Evaluated AJAX-based JSF frameworks (Rich faces) based on the project needs to the care coordination, in collaboration with the architecture team.Responsible for new development and maintenance / support of existing application modules.

Responsibilities:• Conducting training sessions for fresh graduates hired.• Implemented Design Patterns (MVC, Singleton, and factory)• Developed RESTful web services in the controller for getting and sending data to/from backend from/to frontend.• Security and Logging with Spring Security and AOP• Wiring dependencies using Spring DI• Managed the project tasks, bugs and features using JIRA• Transaction management with Hibernate and test cases using Unit testing.• Wrote SQL queries, stored procedures and triggers to perform back end database operation.• Collaborated on the design of user interface and validation using HTML, CSS, JavaScript, jQuery, AJAX, and JSP.