MARKENDEYA NAKKA

• 8+ years of experience in analyzing, designing, developing, and deploying enterprise-level applications using Java/J2EE, cloud technologies, big data, and frameworks.
• Proficient in Java and frameworks such as Spring, Spring Boot, Hibernate, and JPA for developing robust and scalable solutions.
• Extensive experience with SOAP and RESTful web services, microservices architecture, MVC design patterns, and design patterns to create maintainable and flexible systems.
• Strong knowledge of object-oriented programming (OOP) and design principles, with expertise in developing applications across diverse domains like insurance, healthcare, financial services, and retail.
• Experience in developing both monolithic and microservices-based applications with a focus on scalability, reliability, and performance.
• Proficient in data processing using Apache Kafka and Apache Airflow for streaming and workflow management.
• Familiar with Agile development methodologies and hands-on experience with JIRA for project management.
• Skilled in front-end development using JSP, HTML, CSS, NodeJS, Bootstrap, Typescript, JavaScript, jQuery, and Angular.
• Strong background in database development, including working with Oracle, MySQL, PL/SQL, Cassandra, and Cosmos DB, as well as expertise in JDBC and ORM frameworks for database interactions.
• Experienced with CI/CD automation using Jenkins and infrastructure automation with Terraform.
• Expertise in containerization and orchestration with Kubernetes and Docker for deploying scalable applications.
• Solid understanding of performance testing using JMETER and ensuring the application’s scalability and efficiency.
• Experienced in batch processing and handling bulk business operations efficiently.
• Familiar with SonarQube for code reviews and software testing lifecycle methodologies to ensure high-quality code.
• Effective at collaborating with both onshore and offshore teams and adapting to changing project requirements.

Walmart,USA(via Flexton Inc)
Senior Software Engineer
August 2024 – Present

• Developed microservices architecture with Java, Spring Boot, and Hibernate for the Sam’s Club Membership Recurring Payment System, ensuring reliable subscription-based billing.
• Enhanced real-time data streaming with Apache Kafka, optimizing data processing and analytics pipelines with Apache Spark and Airflow.
• Spearheaded application deployment on Microsoft Azure, integrating automated CI/CD pipelines via Jenkins.
• Utilized Docker and Kubernetes for containerization and orchestration, improving deployment efficiency by 30%.

Walmart,India
Software Engineer III
March 2022 – July 2024

• Architected a membership management system to streamline registration and renewals for Sam’s Club, leveraging Java, Spring Boot, and Azure.
• Improved scalability and deployment speed by 25% through automation using Docker, Kubernetes, and Terraform.
• Conducted code reviews and unit testing (JUnit, Mockito) to maintain high code quality and functionality.

Paysafe Group (via Arise Global Services Pvt Ltd)

Platform Engineer
June 2021 – March 2022

• Built microservices to support alternate payment methods, integrating SafetyPay, Giropay, and Interac e-Transfer using RESTful APIs.
• Enhanced backend processes with Hibernate and Oracle, reducing transaction response time by 20%.
• Managed deployments on AWS, leveraging EC2, S3, and RDS for secure and scalable infrastructure.

Optum, Hyderabad, India

Software Engineer
February 2021 – June 2021

• Developed backend services for Optum’s Virtual Health Care Platform using Java and Spring Boot, achieving seamless integration for patient records.
• Implemented secure API integrations with third-party services, enhancing platform capabilities for online consultations.

Cambridge Technology Enterprises, Hyderabad, India

Associate Engineer
July 2016 – February 2021

• Contributed to a health insurance eligibility system for Alaska, building robust back-end services with Spring Boot and Oracle databases.
• Integrated external APIs for seamless eligibility verification, improving processing efficiency by 15%.