Vivek Sagar

About Vivek Sagar

Hands-on technical leader having over 14 years of experience who can guide the team through tough architectural decisions and communicate effectively with customers. Strong background in software engineering, with a deep understanding of full-stack development. Experience in designing, deploying, and managing large-scale distributed systems.Skill sets : Proficient in Agile methodologies, product estimation, and developing roadmaps. Extensive experience with programming languages such as Java, Groovy, Ansible. Expertise in Web Crawling using apache nutch, Hadoop Infrastructure, Hadoop Map Reduce, Spark, ElasticSearch, Ansible, Docker, CI-CD, Jenkins, Kubernetes, Debian packaging Proficient with DevOps and CI/CD tools like Ansible, Docker, Jenkins, and Kubernetes, along with Debian packaging. Experience in Hadoop, RAG pipeline, and Elasticsearch infrastructure, with a focus on ensuring scalability, high availability and disaster recovery. Knowledgeable in Redis, Kafka, Nginx, and RESTful microservices, along with Java/J2EE, Apache, and both NoSQL (Cassandra) and SQL databases (Oracle 12c and MySQL). Experienced with web frameworks and technologies like Spring, Spring Boot, and Struts. Expertise in technical architecture and design for scalable, fault-tolerant distributed systems. Hands-on experience in developing microservices applications for multi-tenant SaaS deployments.

Experience

1. Senior Engineering Manager

   Walmart Global Tech

   Dec 2025 — Present · Bengaluru, IN

Education

• Jaypee University of Information Technology

  Bachelor of Technology (B.Tech.)

  2004 — 2008

• Kendriya Vidyalaya Patna

  10th

  1991 — 2003

Skills

• Javascript
• Cobol
• J2ee Application Development
• Java Enterprise Edition
• Struts 2.0
• Mysql
• Oracle
• Struts
• Java
• Jsp Development
• Jsp