Rakesh Kumar Swain

About Rakesh Kumar Swain

Senior Java Developer with 12+ years of experience in designing and delivering scalable, high-performance enterprise applications using Java, Spring Boot, Microservices, and AWS Cloud.I specialize in scalable system design, distributed architectures, and end-to-end project delivery—from requirement analysis and solution architecture to deployment and production support. I have strong experience in building cloud-native, event-driven systems and high-throughput platforms.Core ExpertiseBackend: Java, Spring Boot, Spring MVC, Spring Security, JPA/HibernateMicroservices & Architecture: Scalable system design, REST APIs, Event-Driven Architecture, Domain-Driven DesignStreaming & Messaging: Kafka, Kafka Streams, Apache Arrow, SQS, SNSCloud & DevOps: AWS (EC2, S3, RDS, Lambda, ECS, EKS), Docker, Kubernetes, CI/CDDatabases: MySQL, PostgreSQL, Oracle, MongoDB, DynamoDB, RedisTesting & Quality: JUnit, Mockito, Cucumber, TDD, & Analytics: Scala (Data Engineering & Data Science on JVM), Big Data processingBuild & Tools: Maven, Gradle, Git, Jenkins, SonarQubeI have hands-on experience in Kafka-based streaming platforms, high-volume data processing, and performance optimization. I also work with Scala for data engineering and data science use cases on the JVM ecosystem, leveraging strong Java foundations.Known for clean code, scalable architecture, and reliable delivery, I enjoy mentoring teams, solving complex problems, and building systems that grow with business needs.

Experience

1. Principal Engineer

   Wissen Technology

   Mar 2025 — Present

Education

• Odisha

  Master of Computer Applications (MCA), Computer Science

  2008 — 2011

Skills

• Hibernate
• J2se
• Ejb
• Spring
• J2ee Application Development
• Ibm Initiate
• Jsf
• Jms
• Oracle
• Requirements Analysis
• Java