About

Varun Singh is a Senior Engineering Manager at Walmart Labs India with over 10 years of experience in designing, developing, and deploying Core Java, J2EE, and related web-based enterprise applications. He is currently working as a Technical Lead and Architect at Walmart Global Technology Services India, where he has extensive experience in implementation, customization, and extensibility of Content Management Products. Varun has good knowledge of Python, C++, Big data (Hadoop), and Lucene, and is proficient in Linux, Mac, and Windows OS basics. Varun has a strong knowledge of distributed systems architecture, containerization (Docker), and Cloud Computing (AWS & Azure). He has good architectural experience on Java, J2EE, and Adobe CQ5 technology stack (OSGI, Apache Sling, Apache Jackrabbit & JCR API’s). Varun has the ability to quickly assess and learn unfamiliar systems and to quickly analyze, scope, and establish technical and business requirements for projects and relationships. He is a quick learner, self-motivated, dedicated, and highly analytical. Varun's excellent communication, interpersonal skills, and leadership qualities make him an asset to any team. He is also able to switch to new technologies in a short span and has strong knowledge of Data Structures and Algorithms Design. Currently, Varun is working at Walmart as a Senior Engineer and Technical Lead (cum Architect) where his responsibilities include architecture and design of the solution as a whole, coding for major software components, team management, and project management. He has also worked at Adobe and Oracle in the past as a Computer Scientist (Product Development) and Senior Member of Technical Staff, respectively. Varun holds a Master of Computer Applications (MCA) degree from Galgotia College of Engineering & Technology, Greater Noida, and a Bachelor of Science (B.Sc.) degree in Mathematics, Physics, and Statistics from Vardhaman College, Bijnor. He has a diverse tech stack, including Senior Software Engineer, Java, Web, AWS, Azure, SQL, infra, test, Big Data, Hadoop, Software Engineer, Docker, Research Scientist, Spring, Jenkins, Integration, Microservices, GCP, Mobile, Spark, Cassandra, Search, HDFS, Terraform, Apache Airflow, CI/CD, Redis, Kubernetes, MongoDB, Elastic Search, Kafka, DevOps, ETL, UI, Frontend, Backend, and Apache Hive. Overall, Var