About

Pavan Kumar Polina is a skilled Senior Software Engineer with over 6 years of experience in developing distributed software backend systems. He is highly proficient in Java, J2EE, Spring, Spring boot, Golang, Microservices Architecture, Hibernate, DBMS, Tomcat, Ansible, Maven, GIT, Kafka, and other related technologies. Pavan is an alumnus of the National Institute of Technology Durgapur, where he pursued a Bachelor of Engineering in Electrical, Electronics and Communications Engineering. Currently, Pavan is serving as a Senior Software Engineer at Walmart Labs, where he is working on the Global Integrated Fulfillment (Backend Components) product. The product handles 300,000 to 500,000 orders a day, and Pavan is responsible for developing more robust and scalable components. The product’s backend follows Microservices Architecture, and every component is a Spring Boot-based microservice deployed as a Docker image in a custom Kubernetes cluster. Pavan has implemented multiple Rest APIs to add new functionalities to the product and has also refactored multiple components to support tenantisation for the product to be used as PAAS. Before joining Walmart, Pavan worked as a Software Engineer at DBS Bank, where he worked on the Internal Payments Engine product, which processes all the payments that the bank receives. He also worked on migrating the product from RHEL 6 servers to RHEL 7 servers. Pavan has also worked as a Software Developer at Amdocs, where he worked on the Configure Price Quote and Service Order Manager products. Pavan is highly adaptable and excels in fast-paced environments. He has experience in leading projects end-to-end, delivering projects on time, and supporting them in production. He has also taken up multiple complicated production bugs and solved them. Pavan’s technical expertise includes Software Engineering, Spring, Microservices, Spring Boot, Java, Kafka, Backend, SQL, Ansible, Integration, Kubernetes, Docker, Azure, Elastic Search, Infra, UI, Golang, MySQL, and Jenkins.