Ragunath Rajasekaran

Experienced professional with 13 years in SpringBoot, AWS, Big Data, and mobile app development. Proficient in Docker, AWS Fargate, Spark, Scala, Python, and AWS services. Skilled in React for UIs. Expertise in high-quality iOS app development. Effective problem solver and collaborative team member.

LinkedIn: https://www.linkedin.com/in/ragunathrajasekaran

GitHub: https://github.com/ragunathrajasekaran

Medium: https://ragunathrajasekaran.medium.com

• SpringBoot Blogs: https://ragunathrajasekaran.medium.com/list/raguspringbootblogs-0592b21e1edb
• VSCode Remote Container Blogs: https://ragunathrajasekaran.medium.com/list/raguvscodedevcontainerblogs-945d4b4c8319
• React Blogs: https://ragunathrajasekaran.medium.com/list/ragureactblogs-4ca33677394b

• AWS Cloud Computing: Proficient in architecting and implementing scalable solutions using AWS services (EC2, S3, Lambda, Batch, Fargate, EMR, Glue). Experienced in optimizing cloud infrastructure for cost efficiency and performance.
• Microservices Architecture: Skilled in breaking down monolithic applications into microservices, utilizing RESTful APIs and messaging queues for seamless integration and service orchestration.
• Containerization: Proficient in Docker, creating portable and scalable application containers. Experienced in managing containers and deploying applications using Kubernetes.
• System Design: Demonstrated expertise in designing complex systems for scalability, performance, and security. Proficient in implementing best practices and design patterns for modularity and maintainability.
• Java (Spring Boot) and JavaScript (React): Experienced in developing enterprise-grade applications using Java and Spring Boot. Proficient in building responsive user interfaces with React and JavaScript libraries.
• Big Data Technologies: Proficient in Apache Spark and Scala for large-scale data processing and analysis. Experienced in optimizing data transformations and applying data engineering techniques.
• Infrastructure as Code (IaC): Skilled in using Terraform for infrastructure provisioning and automation. Experienced in setting up CI/CD pipelines with Jenkins for continuous integration and deployment.
• Database Management: Proficient in SQL and NoSQL databases, including schema design, query optimization, and ensuring data consistency. Hands-on experience with MySQL, PostgreSQL, MongoDB, and Redis.
• Test-Driven Development (TDD): Experienced in practicing TDD methodologies and using testing frameworks (JUnit, Mockito, Cypress) for comprehensive test coverage. Collaborative approach to ensure product quality.
• Problem-Solving and Analytical Thinking: Strong analytical skills for troubleshooting, performance optimization, and system reliability. Proven track record in resolving technical challenges and meeting project deadlines.
• OAuth2 Authentication: Skilled in implementing secure user authorization with OAuth2, integrating identity providers, and managing token-based authentication.