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I am a seasoned software engineer with over 10 years of experience specializing in backend development, microservices, and technical leadership. I have expertise in Java (versions 8 through 21), the Spring ecosystem, and cloud-native solutions. I am passionate about delivering scalable APIs, optimizing performance, and mentoring high-performing teams. Throughout my career, I have designed and implemented business logic, led API development, and managed CI/CD pipelines to ensure smooth deployments. I continuously monitor system health and enjoy collaborating with teams to improve code quality and system architecture. I thrive in agile environments and have strong experience with various AWS cloud services.…I am a seasoned software engineer with over 10 years of experience specializing in backend development, microservices, and technical leadership. I have expertise in Java (versions 8 through 21), the Spring ecosystem, and cloud-native solutions. I am passionate about delivering scalable APIs, optimizing performance, and mentoring high-performing teams. Throughout my career, I have designed and implemented business logic, led API development, and managed CI/CD pipelines to ensure smooth deployments. I continuously monitor system health and enjoy collaborating with teams to improve code quality and system architecture. I thrive in agile environments and have strong experience with various AWS cloud services.

Varun Vijaya Kumar

Back-End Developer, DevOps Developer, Cloud Developer

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I am a seasoned software engineer with over 10 years of experience specializing in backend development, microservices, and technical leadership. I have expertise in Java (versions 8 through 21), the Spring ecosystem, and cloud-native solutions. I am passionate about delivering scalable APIs, optimizing performance, and mentoring high-performing teams. Throughout my career, I have designed and implemented business logic, led API development, and managed CI/CD pipelines to ensure smooth deployments. I continuously monitor system health and enjoy collaborating with teams to improve code quality and system architecture. I thrive in agile environments and have strong experience with various AWS cloud services.…I am a seasoned software engineer with over 10 years of experience specializing in backend development, microservices, and technical leadership. I have expertise in Java (versions 8 through 21), the Spring ecosystem, and cloud-native solutions. I am passionate about delivering scalable APIs, optimizing performance, and mentoring high-performing teams. Throughout my career, I have designed and implemented business logic, led API development, and managed CI/CD pipelines to ensure smooth deployments. I continuously monitor system health and enjoy collaborating with teams to improve code quality and system architecture. I thrive in agile environments and have strong experience with various AWS cloud services.

Available to hire

I am a seasoned software engineer with over 10 years of experience specializing in backend development, microservices, and technical leadership. I have expertise in Java (versions 8 through 21), the Spring ecosystem, and cloud-native solutions. I am passionate about delivering scalable APIs, optimizing performance, and mentoring high-performing teams.

Throughout my career, I have designed and implemented business logic, led API development, and managed CI/CD pipelines to ensure smooth deployments. I continuously monitor system health and enjoy collaborating with teams to improve code quality and system architecture. I thrive in agile environments and have strong experience with various AWS cloud services.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Work Experience

Backend Developer at La Estona Pharma

July 1, 2025 - August 21, 2025

Worked as a backend developer. No additional description provided.

Technical Lead at Verteil Technologies Private Limited

March 1, 2025 - August 21, 2025

Designed and implemented business logic for managing tour plans, daily call reports (DCR), and performance tracking for medical representatives and managers. Led API development using RESTful services with Spring Boot (3.4.1) and Java 21, incorporating Micrometer and Actuator for enhanced observability. Utilized PostgreSQL and AWS services including SES for hosting and email capabilities. Developed secure authentication and authorization modules leveraging Spring Security and OAuth 2. Directed sprint planning, system design, and architectural improvements to deliver scalable, distributed systems using Java 8–21 and Spring Boot (MVC, Security). Engineered secure authentication and authorization services with Spring Security, WebFlux and OAuth 2, alongside robust API development using REST, gRPC, Kafka, and GraphQL. Developed a geolocation service leveraging Neo4j and gRPC to manage airlines servicing routes and filter invalid search requests efficiently. Managed CI/CD pipelines with G

Senior Engineer at Qburst

February 1, 2021 - August 21, 2025

No specific description provided.

Project Associate at Cognizant Technology Solutions

December 1, 2018 - August 21, 2025

No specific description provided.

Senior Software Engineer at IBS Software Services Private Limited

December 1, 2017 - August 21, 2025

Adopted Agile methodologies to foster collaboration and continuous delivery throughout the development lifecycle. Utilized Gradle and Maven for build automation and dependency management across microservices architectures, supporting multithreading and concurrent processing needs. Contributed to system architecture improvements focused on scalability and resilience using Java 11, Spring Boot, Kafka, microservices, API development best practices, and Terraform for infrastructure as code. Developed and maintained RESTful APIs for various services and built an automated API testing framework employing JUnit, Mockito, and integration tests to ensure release quality. Used Docker Compose to orchestrate multi-container development and testing environments, improving deployment consistency. Integrated Fluentd for centralized logging and log aggregation to enhance monitoring and troubleshooting capabilities. Migrated insurance enrollment module from legacy Web Methods to Spring Boot using Java