• Contributed to the backend development for an enterprise-grade Ticketing Management System, architecting over 15 microservices with Java Spring Boot to handle incident, request, and change workflows, achieving a 25% faster processing time compared to legacy systems.

• Designed and optimized relational (PostgreSQL) and non-relational (MongoDB) database schemes to efficiently store dynamic ticket data, improving query performance by 30% and supporting scalability for 100K+ ticket records.

• Built and secured RESTful APIs for seamless frontend integration, managing JSON payloads and reducing API error rates by 20% through rigorous validation and versioning strategies.

• Deployed microservices on AWS (EC2, S3, RDS) using best practices for high availability and fault tolerance, resulting in 99.9% system uptime and a 15% reduction in operational costs.

• Developed and automated 150+ unit and integration tests with JUnit and Mockito, achieving 92% test coverage and decreasing post-deployment defects by 35%, while managing CI/CD workflows via Git and GitHub for consistent multi-environment releases.

Project 1: Campaign Management Application System

• Applied tech stack: 1. React.js (HTML, CSS, JavaScript), 2. Spring-Boot, PostgreSQL, REST, Git, Jira, 3. AWS Cloud.

• Engineered a new application feature's UI with React and Redux, optimizing global state, increasing user engagement by 30%.

• Designed and implemented RESTful APIs for the new feature using Spring Boot, enhancing modularity and enabling seamless integration with frontend components and third-party services.

• Consolidated process improvements, through active code review optimization procedures and streamlining deployment processes, resulting in a 20% reduction in development cycle time.

• Performed a key role in the development and deployment of the web application, contributing to significant improvements in user experience, achieving an average reduction in user wait time by 30%.

Project 2: Developing Dynamic User Interface based on Customer Feedback

• Collaborated with cross-functional teams, to gather comprehensive requirements to increase user experience and scalability, this collaborative effort resulted in a 15% increase in project completion efficiency.

• Designed and implemented adaptive UI components based on customer feedback, resulting in a 20% increase in user satisfaction scores and a 10% boost in customer retention.

• Involved in design, development, testing and implementation of the process systems, working on iterative life cycles business requirements, and creating Detail Design Document.

• Modified existing applications to a suite of micro services and all micro services to facilitate deployment using Spring Boot and Junit and Power Mock frameworks for unit testing.

• Delivered end-to-end Agent experience features, focusing on quality, scalability, and maintainability, resulting in a 20% improvement in customer satisfaction scores.

• Collaborated with cross-functional teams, including Product Management, Architecture, and Engineering, to ensure technical input was aligned with business goals, leading to a 15% reduction in development time.

• Developed and tested web and API features using Spring Boot, ensuring they met design requirements and reducing bug reports by 30%.

• Reported clearly on work status in regular updates, improving project transparency and stakeholder communication by 40%.

• Developed Spring Boot 2.0 and Hibernate 4.3 Microservices applications with ease of integration and scalability.

• Created RESTful APIs and secured them using OAuth2.0 and Spring Security.

• Utilized MongoDB 4.0 NoSQL database to store unstructured data and enhanced CRUD operations through Spring Data MongoDB.

• Fully deployed ActiveMQ and RabbitMQ message brokers for dependable inter-service communication.

• Conducted integration testing using SoapUI, Swagger UI, and Postman