● Played a key role in designing and developing software components for enterprise applications using Java, adhering to Object-Oriented Design principles and leveraging architectural patterns like MVC and Singleton to ensure modular and scalable code.● Developed RESTful APIs to support various web and mobile applications, integrating multiple services and handling high-volume transactions efficiently.● Created endpoint documentation and worked closely with the frontend teams to ensure seamless integration.● Implemented performance enhancements for database interactions, optimizing SQL queries and database indexing.● Managed and maintained both relational databases (MySQL) and distributed databases (Cassandra) to improve data retrieval times and scalability.● Actively participated in Scrum sprints, collaborating with cross-functional teams in daily standups, sprint planning, and retrospectives.● Applied Test-Driven Development (TDD) practices, creating JUnit test cases for code coverage and debugging.● Conducted peer code reviews using GitHub, ensuring adherence to coding standards, improving code quality, and reducing defects in production.● Used Git for version control and managed branch workflows for feature development and bug fixes.● Automated routine tasks using UNIX shell scripting, significantly reducing manual intervention in deployment and testing processes.● Utilized Jenkins for Continuous Integration and Continuous Deployment (CI/CD) pipelines to ensure timely delivery of features and updates.

• Developed and maintained Java-based applications, ensuring high performance and responsiveness in mission-critical systems.• Designed and implemented database solutions using RDBMS and SQL, optimizing queries for improved performance.• Worked with Cassandra to integrate NoSQL databases into existing architectures for increased scalability.• Applied OOAD principles to analyze, design, and implement software solutions while adhering to architectural and design patterns.• Created and optimized UNIX Shell scripts for automation and task management, with additional contributions in Perl/Python.• Developed RESTful and SOAP-based web services for seamless integration with external systems and services.• Automated system tasks using UNIX shell scripting, improving system monitoring and error handling processes.• Collaborated with cross-functional teams in an Agile environment to deliver high-quality software releases using Scrum methodologies.• Collaborated with cross-functional teams to deliver full-stack solutions with frontend integration of web technologies (HTML, CSS, JavaScript).• Used Git and GitHub for version control and code collaboration, ensuring smooth and structured development processes.• Integrated Cassandra as a distributed database solution for high availability and fault tolerance in critical applications.• Participated in the development of web applications and microservices, utilizing knowledge of web technologies and frameworks.• Designed and implemented RESTful APIs, integrating data from MySQL and Cassandra to improve application functionality.• Automated repetitive tasks using Shell scripts and managed server-side scripts on UNIX-based systems.

Assisted in the design, coding, and testing of Java-based applications, focusing on backend logic and database integration using RDBMS and SQL.• Contributed to shell scripting in UNIX environments to streamline system operations and automate routine tasks.• Supported the team in implementing Agile (Scrum) practices, attending daily stand-ups, and sprint planning.• Actively participated in code reviews and pair programming sessions using GitHub for source code management.• Gained exposure to Python and contributed to minor coding tasks and bug fixes.• Contributed to Java-based software modules and features, focusing on backend development and SQL database integration.• Participated in the design of system architecture following OOAD practices and implemented key design patterns.• Ability to write efficient and optimized code in Python.• Development of Java REST API using Spring Boot and PostgreSQL database for data storage.• Familiarity with popular C/C++ frameworks and libraries, including Boost, OpenCV.• Experience in using C/C++ for developing multimedia applications, including audio and video processing.• Extensively worked on SQL for writing complex queries in the business logic layer.• Developed Shell scripts to automate deployment tasks and system monitoring on UNIX-based systems.• Created user-friendly GUI interface and Web pages using HTML, CSS and JSP• Wrote JavaScript for client-side validation.• Worked on bug fixing and Production Support• Strong understanding of distributed systems and event-driven architectures.• Wrote SQL for JDBC prepared statements to retrieve the data from database.• Gained exposure to Cassandra while supporting NoSQL database architecture for large-scale data storage.• Wrote efficient SQL queries to extract, manipulate, and analyze data, improving database performance.