• Spearheaded the development of scalable microservices using Java in tandem with the Spring Framework and Microservices Architecture. These microservices formed the backbone of an in-house web application designed to track real-time performance metrics of sales personnel.• Designed and implemented robust RESTful APIs to enable seamless inter-service communication within the application, integrating them with Web Services (SOAP/REST).• Administered data-intensive applications, optimizing data handling capabilities with JSON/XML and leveraging SQL/NoSQL databases to store and manage critical performance metrics.• Managed containerized application deployments using Docker and orchestrated them in production environments with Kubernetes, ensuring the application's reliability and scalability.• Employed continuous integration and deployment practices using CI/CD tools and methodologies to facilitate agile development cycles, while maintaining source code with Git/GitHub.• Enhanced application security through the integration of OAuth/JWT authentication and authorization protocols, safeguarding sensitive sales data.• Collaborated with the team, adopting Agile/Scrum Methodologies and utilizing tools like JIRA and Confluence for streamlined project management and documentation, ensuring project success and alignment with business objectives.• Utilized Apache Kafka for real-time data streaming in backend services, enabling efficient data processing and transmission crucial for tracking real-time performance metrics.• Monitored backend services with Grafana/Prometheus, proactively ensuring optimal performance and swift issue resolution to support the sales personnel tracking application.

• Led the modernization of legacy Java systems utilizing Java, Spring Framework, and Java 8+ features, ReactJS, HTML, and CSS.• Developed and fine-tuned Hibernate configurations for optimum database interaction using Hibernate and JPA.• Executed comprehensive unit tests employing JUnit and Mockito, ensuring robustness and reliability of backend components.• Facilitated seamless frontend-backend integration with APIs crafted using Node.js and JavaScript, adhering to modern Design Patterns and SOLID Principles.• Deployed, managed, and scaled applications on cloud platforms including AWS, Azure, and GCP, leveraging infrastructure as code with tools like Ansible.• Established real-time data pipelines utilizing Apache Kafka, catering to the demands of data-intensive applications.• Worked in conjunction with the DevOps team, integrating Maven and Gradle for optimized build processes and continuous deployment strategies.• Enhanced application responsiveness through the integration of caching solutions like Redis and Hazelcast.• Conducted rigorous backend testing and API validations using tools like APIGEE and Postman.

• Championed backend development initiatives using Java, leveraging frameworks like Spring Framework and Hibernate for efficient application architecture.• Modernized data layer integrations by transitioning to SQL/NoSQL databases and streamlining data exchange with JSON/XML.• Integrated Java Cryptography Architecture (JCA) tools to bolster the security measures of critical backend services.• Facilitated efficient build and release processes through adept utilization of Maven and Gradle.• Spearheaded efforts to move legacy applications to containerized environments, leveraging Docker and Kubernetes for improved scalability and maintenance.• Assisted in developing real-time logging and monitoring solutions using ELK Stack, ensuring swift diagnostics and resolution of production issues.• Implemented high-throughput communication channels using Apache Kafka, catering to high-volume data processing needs.• Collaborated with multidisciplinary teams, fostering an environment of continuous improvement through Agile/Scrum Methodologies, aided by tools like JIRA and Confluence.• Introduced optimizations and best practices in backend development by leveraging Design Patterns and SOLID Principles, ensuring maintainable and scalable codebases.• Worked on enhancing the user experience, assisting the frontend teams through the provision of robust APIs using Java Servlets/JSP and Node.js.