Rajkumar J Email & Phone Number

Chennai, Tn, In

Chennai, Tamil Nadu, India

Project: Data Migration and Data ExtractionTechnologies used: Java, Spring Boot, Spring JPA, Hibernate, MySQL,Eureka, Kafka, PostgreSQLDesigned and implemented Spring Boot microservices to handle dataextraction from legacy systems using RESTful APIs, ensuring highperformance and scalability.Leveraged Spring Data JPA for seamless integration with relationaldatabases, simplifying data extraction queries and enhancing codemaintainability.Integrated Spring Batch framework to orchestrate and execute batch data migration jobs, optimizing throughput and minimizing downtime during migration.

Bengaluru, Karnataka, India

PROJECTS : Digital Onboarding , eSignProject Description:For the Yes bank’s Digital onboarding project, I have worked on the entire backend codes where the product is now in live and the same is used for onboarding their customers into their systems. In this customer will be onboard with the verification of Aadhar details and esigining their documents.Responsibilities :Implemented RESTful APIs using Spring Boot, enabling seamless integration with various banking systems and third-party services.Improved performance by balancing the rate restrictions to meet user requests whilepreventing misuse or attacks that can cause a denial of service.Implemented authentication and permission controls using JWT to provide safe accessto sensitive financial data.Integrated with AWS (Amazon Web Services) S3 bucket to store and manage videofiles securely.Leveraged Amazon SES (Simple Email Service) to send notification to customerconfidently.Performed comprehensive testing and validation to ensure the SQL injection vulnerabilities were successfully mitigated.

Bengaluru, Karnataka, India

Collaborated effectively with members of software development team.Performed tests and troubleshooting on RESTful APIsAssisted in resolving client technical issue through debugging and researchMaintained and upgraded products to deliver smooth-running systems.Contributed to deployments by testing, debugging and resolving issues for optimal results.