Ramkumar Sivakumaran
Application Support Developer @Infinite Outsourcing Solutions Inc
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WORK HISTORY
Application Support Developer @Infinite Outsourcing Solutions Inc
Toronto, ON, CA
EDUCATION
University of Colombo School of Computing
Bachelor's degree, Information Systems
Georgian College
Postgraduate Degree, Mobile Application Development
ABOUT RAMKUMAR SIVAKUMARAN
Proven track record over 4+ years as a Java Full Stack Development and production application support, engineering robust, high-quality applications and delivering expertise in Core Java, Spring frameworks, SQL Server, alongside dynamic front-end development with React, Bootstrap, HTML5, and CSS3. • Proficient in backend programming languages such as Java, Python utilizing their core principles and frameworks to build robust and scalable backend solutions. • Expertise in using Spring Boot to develop robust, scalable, and maintainable backend systems in Java, including building RESTful services. • Experienced in implementing RESTful APIs and web services for seamless communication between application layers, ensuring efficient data exchange. • Skilled in using Postman for API testing and development, ensuring robust and reliable integrations. • Accomplished in mobile app development using React Native, as well as native iOS (Swift) and Android development technologies. • Proficient in working with various databases, including MongoDB, Postgresql, and Redis, for efficient data storage and retrieval • Skilled in designing and implementing scalable, reliable microservices applications using Kafka for event-driven architectures. • Best knowledge using DevOps practices, including Continuous Integration/Continuous Deployment (CI/CD) pipelines using tools like Jenkins. • Skilled in Git, GitLab, and Bitbucket, enhancing software development efficiency by reducing integration issues by and improving project timelines. • Adept at monitoring and maintaining application status, resource limits, and utilization using Lens, Grafana, and Prometheus, ensuring optimal functionality and security. • Accomplished strong communication and collaboration abilities, with a proven track record in Agile methodologies, utilizing tools like Jira and Confluence. HTML | CSS | Bootstrap | JavaScript | Typescript | ReactJS | React native | Java | Python | Spring | Spring Boot| Kafka | Elasticsearch| Gradle | Maven | gRPC | MySQL | PostgresQL | MongoDB | Redis | Docker | Kubernetes | Jenkins | Git | Bitbucket | Grafana | Prometheus | ELK | Machine Learning | Junit | Mockito | Microservices architecture | Design patterns | Data structures algorithms | Android | IOS | IntelliJ | SonarQube | REST API | SOAP | Postman | BloomRPC | Swagger UI | Kibana
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