Arjun Kumar Email & Phone Number

Toronto, Ontario, Canada

• Designed enterprise-grade web applications using Java, focusing on robust scalability and maintainability.• Developed dynamic user interfaces utilizing Angular versions 2 through 5, enhancing user interaction and functionality.• Integrated Oracle Cloud for application hosting and data storage solutions, ensuring high availability and security.• Implemented version control and code management using SVN, streamlining development processes and collaboration.• Optimized applications running on WildFly servers to improve performance and resource management.• Applied Jakarta EE for robust backend services, enhancing application functionality and server-side logic.• Ensured secure data transactions and application logic using Jakarta Security, safeguarding user data.• Facilitated database interactions and data management using Cassandra 3.x+, ensuring efficient data handling.• Enhanced application performance and responsiveness using Angular's reactive programming capabilities.• Configured and maintained robust SOAP web services, facilitating external and internal system communications.• Utilized Gradle for build automation and dependency management, enhancing build consistency and speed.•Enhanced team collaboration and version control practices with SVN, ensuring code integrity and history tracking.•Managed Docker containers for consistent development and production environments, reducing deployment issues.• Deployed applications to Oracle Cloud, leveraging its scalable infrastructure and security features.• Ensured application stability and performance tuning on Windows 11, adapting to system updates and configurations.• Utilized TestNG for advanced testing scenarios, including integration and regression testing, ensuring application robustness.•Monitored application and system performance using JIRA dashboards, enabling proactive issue resolution.•Conducted application security assessments and updates, implementing best practices and security patches

Vancouver, British Columbia, Canada

• Developed financial applications primarily using Java and Quarkus, focusing on high performance and scalability.• Integrated frontend interactivity using Vue.js, creating intuitive and user-friendly interfaces for financial services.• Managed messaging services with JMS 2.0, enhancing asynchronous communication and data processing.• Configured and maintained JBoss EAP servers, ensuring stable and continuous application deployment.• Utilized Maven 3.x for efficient project management, automating builds and managing software dependencies.• Implemented SLF4J for advanced logging capabilities, aiding in monitoring and debugging application issues.• Leveraged MongoDB 4.x+ for NoSQL database functionality, enhancing data storage and retrieval processes.• Employed Eclipse (2019) as the primary development environment, increasing developer productivity and code quality.• Utilized SVN for version control, maintaining a robust codebase and supporting collaborative development.• Integrated project tracking and management using JIRA, facilitating effective bug tracking and project status updates.• Deployed applications on the Google Cloud Platform, utilizing cloud resources for enhanced scalability and performance.• Developed secure applications by implementing best practices in coding and security protocols.• Engaged in Agile development processes, including sprint planning and retrospectives to continuously improve development practices.• Conducted extensive testing using unit and integration tests to ensure application reliability and functionality.• Collaborated with cross-functional teams to define user requirements and translate them into effective software solutions.• Designed RESTful APIs using Quarkus, improving the modularity and interoperability of financial applications.• Optimized application performance through effective use of caching and performance tuning techniques.

Toronto, Ontario, Canada

• Developed Java-based microservices using Spring MVC, focusing on scalable and maintainable service architecture.• Managed data persistence and transaction management using Java Persistence API (JPA), enhancing application reliability.• Configured ActiveMQ for robust messaging and communication between microservices, ensuring seamless data exchange.• Utilized JBoss EAP as the application server, providing a stable and scalable environment for enterprise applications.• Implemented version control and collaboration using Git, streamlining development processes and enhancing team productivity.• Managed project tasks and issue tracking using JIRA, facilitating effective project management and oversight.• Leveraged Google Cloud Platform for deploying and scaling applications, optimizing cloud resources and availability.• Developed MongoDB 4.x databases for storing and retrieving large-scale data efficiently, enhancing performance.• Utilized Maven 3.x for dependency management and build automation, streamlining the build process.• Employed Mockito for unit testing, ensuring high-quality code and robust functionality through rigorous testing.• Configured and maintained cloud infrastructure on Google Cloud Platform, optimizing resource utilization and cost.• Enhanced application security and compliance using industry-standard practices and tools, maintaining data integrity.• Developed and integrated RESTful services using Spring MVC, facilitating efficient communication and data transfer.• Utilized NetBeans 8.2 as the development IDE, enhancing developer efficiency and code management.• Managed and monitored application deployments on JBoss EAP, ensuring high availability and minimal downtime.• Implemented continuous integration and delivery practices using Git, enhancing code quality and deployment speed.• Optimized MongoDB 4.x performance for biotechnology data processing, addressing specific industry data needs.

Hyderabad, Telangana, India

• Developed robust backend solutions utilizing Java and JavaServer Faces (JSF), focusing on high scalability.• Managed data persistence layers using Hibernate 4.x, enhancing transaction management and database operations.• Configured Spring 4.x to streamline enterprise application development, improving application modularity.• Implemented SOAP web services, facilitating efficient and secure data exchange across network systems.• Utilized JAX-RS for creating RESTful services, enhancing API usability and accessibility.• Managed messaging within applications using Spring AMQP, improving data flow and service integration.• Deployed applications on BEA WebLogic 10.1, ensuring high availability and robust performance.• Conducted build and deployment processes using Maven, standardizing development lifecycle management.• Monitored application performance and troubleshooting using Log4J, improving system reliability.• Developed applications in a Mac OS environment, leveraging its stability and security features.• Utilized Sublime Text for efficient code editing, enhancing developer productivity.• Managed version control and source code organization using SVN, ensuring data integrity.• Conducted data management and query optimization using PostgreSQL 9.3, enhancing database performance.• Enhanced SOAP services with advanced security and data handling features, improving system integrity.• Streamlined continuous integration processes with Maven, enhancing build accuracy and speed.• Implemented error handling and resolution in web services, maintaining high service availability.• Developed and maintained extensive documentation using JIRA, enhancing team communication and project tracking.• Coordinated with cross-functional teams to align project objectives and technology strategies.

Hyderabad, Telangana, India

• Developed multi-tier web applications using Java, enhancing core functionalities and user experiences.• Utilized JavaScript along with HTML and DHTML for creating interactive web pages, improving client-side scripting.• Implemented web application frameworks using Struts 1.x, standardizing front-end to back-end communication.• Managed application data with Hibernate 4.x, optimizing object-relational mapping and data retrieval.• Developed dynamic front-end interfaces using Backbone.js, enhancing user interaction and responsiveness.• Configured and maintained SOAP web services on JBoss 6.x, ensuring robust and secure data exchanges.• Employed Jenkins for continuous integration, automating build and deployment processes to improve development workflow.• Conducted unit testing with JUnit 4, ensuring code reliability and functionality through rigorous validation.• Managed databases using early versions of MongoDB, providing scalable storage solutions for application data.• Utilized Sublime Text for code development, enhancing editing capabilities and supporting diverse programming needs.• Coordinated version control using SVN, maintaining code consistency and historical integrity.• Ensured application compatibility and performance on various web browsers, improving cross-browser functionality.• Developed and debugged server-side logic, enhancing application performance and user experience.• Implemented robust error handling mechanisms, ensuring application stability and reliability.• Provided technical support and maintenance, ensuring smooth operation and user satisfaction.