Harshavardhana Reddy Namburu

Experience

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  Cognizant

  Jan 2019 - Jul 2021

  • Java Developer

    Jul 2019 - Jul 2021

  • JAVA DEVELOPER INTERN

    Jan 2019 - Jun 2019
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  Discover Financial Services

  Jul 2023 - now

  Java Software Developer

  Developed and maintained transaction processing systems using Java, Spring Boot, and Spring, ensuring secure and efficient handling of high-volume financial transactions. Integrated Hibernate with JPA to streamline interactions between Java applications and relational databases, reducing data access times by 25%. Utilized GCP Cloud services such as Google Kubernetes Engine (GKE) for containerized deployment, Google Cloud Storage for scalable data storage, and Cloud Functions for automating workflows. Implemented an event-driven architecture using Apache Kafka to handle real-time messaging between microservices, enhancing system reliability and resilience. Applied OAuth 2.0 for secure, token-based authentication to protect sensitive transaction data across multiple applications. Managed large-scale distributed datasets using NoSQL databases such as Cassandra and AWS DynamoDB, ensuring system scalability and low-latency data access. Designed and optimized multi-threaded applications using the Java Concurrency API, improving transaction processing times by 30%. Integrated a Datadog logging system for real-time application monitoring, enabling faster incident resolution through proactive alerting and performance tracking. Participated in on-call support rotations, troubleshooting and resolving production issues to maintain 99.9% system uptime. Collaborated with cross-functional teams to improve system reliability, resulting in an improved customer satisfaction Show less