Rajkumar B Email & Phone Number

Chennai, Tamil Nadu, India

• Led a team in delivering a scalable health insurance application, showcasing superior leadership and technical proficiency.• Enhanced application scalability and reliability by thoroughly analyzing project needs and developing comprehensive architecture diagrams and data models.• Identified and resolved over 20+ critical security vulnerabilities through rigorous penetration testing, significantly strengthening application security.• Implemented Okta authentication, reducing failed login attempts by 40%, and integrated Spring Security, decreasing unauthorized access incidents by 50%.• Developed a new library designed to promote code reuse across microservices, eliminating code duplication and streamlining development processes.• Maintained documentation for over 50 APIs, ensuring compliance with industry standards and facilitating smooth integration and maintenance processes.

Chennai, Tamil Nadu, India

• Developed a scalable telecom web application using Java, Spring Boot, and JPA, boosting transaction processing efficiency by 40% and accommodating over 10,000 concurrent users.• Set up CI/CD pipelines with GitHub Actions and Jenkins, resulting in a 30% reduction in deployment times and enabling daily automated deployments.• Implemented advanced application logging techniques to record detailed request and response data, leading to a 25% increase in the detection of security incidents.• Leveraged Spring Config Server for centralized configuration management across various applications and environments, resulting in a 20% decrease in development efforts.• Conducted code reviews and provided mentorship, resulting in significant improvements in code quality and a 30% reduction in post-deployment hotfixes.

Chennai, Tamil Nadu, India

• Designed and developed a serverless API using AWS API Gateway, Lambda, and Amazon Cognito Identity Pool, serving over 10,000 users without interruption and eliminating 70% of manual authentication processes.• Integrated Ping ID authentication for user login, achieving a 40% reduction in fraudulent logins and a 20% increase in successful login rates, thereby enhancing application security.• Contributed to iOS development efforts, focusing on enhancing existing screens and introducing new features, resulting in a 35% increase in user engagement and a 20% improvement in app functionality.

Chennai, Tamil Nadu, India

• Developed a cloud-based web application for Software AG, significantly enhancing user authentication efficiency by 50% and providing seamless access to all products.• Introduced a unified Single Sign-On (SSO) platform, markedly improving security and user experience across the entire Software AG product suite.• Performed comprehensive load tests using JMeter with a simulated user load of 10,000, resulting in a significant 30% enhancement in response times and a remarkable 50% boost in scalability.• Automated database migrations using a batch script, resulting in a 20% reduction in development efforts and increased efficiency.

Chennai, Tamil Nadu, India

• Provided exceptional technical support for a healthcare application dedicated to delivering medical equipment, resulting in significant improvements in performance, delivery, and quality.• Leveraged expertise in Citrix tools to enhance operational efficiency and ensure seamless user experience.

Bachelor Of Engineering, Electrical And Electronics Engineering

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