# Rajni kanth Tupakula > Principal Software Engineer at Nisum Location: Pleasanton, California, United States Profile: https://flows.cv/rajni Approx. 15 years of experience through all phases of Software Development Life Cycle (SDLC) starting with project initiation, requirement gathering, requirement analysis, functional design, detail design, development and implementation of multi-tier enterprise, web based and distributed applications. Excellent implementation of J2EE Technologies, 12 factors cloud native loose coupling and highly cohesive Micro service API’s in various domain such as Retail and Identity Access Management(IAM). Strong understanding of Object Oriented Analysis and Design (OOAD) concepts, various Design Patterns with excellent logical and analytical skills focused towards business needs. Designed and implemented Microservice API’s using Java 8, SpringBoot, Spring REST, Spring Data repositories, Spring Cloud applications, Gradle and deployed in Azure and Pivotal Cloud Foundry. Proficiency in BDD and TDD Methodology using Junit, Mockito, REST Assured and Cucumber frameworks. Experienced in the use of Agile approaches, including Extreme Programming and Scrum. Hands on experience working with document based database like MongoDB and Azure CosmoseDB. Experience in open source rich internet application framework JavaScript library, HTML4, CSS3, BootStrap, JSON, Jquery, AngularJS, Lodash, AJAX. Hands on experience working with java based Spark batch jobs and Spark Kafka streaming. Strong analytical skills with ability to quickly understand client’s business needs. Ability to quickly mitigate production issues under pressure and minimizing the business impact. ## Work Experience ### Principal Software Engineer @ Nisum Jan 2017 – Present | San Francisco Bay Area ### Senior Java Developer @ Avenue Code Jan 2017 – Jan 2017 | San Francisco Bay Area ### Cloud Engineer @ Oracle Jan 2015 – Jan 2017 | Greater Philadelphia Area ### Computer Specialist @ Tringapps, Inc Jan 2015 – Jan 2015 | New York ### Software Developer(Dev - II) @ RealPage, Inc. Jan 2014 – Jan 2015 | Hyderabad Area, India ### Senior Application Engineer @ Oracle Jan 2011 – Jan 2014 | Hyderabad Area, India ### Consultant @ Capgemini India Pvt. Ltd Jan 2010 – Jan 2011 | Hyderabad Area, India ### MTS @ CDAC Jan 2007 – Jan 2010 | Pune ## Education ### MCA Osmania University ## Contact & Social - LinkedIn: https://linkedin.com/in/rajni-kanth-tupakula-55928816 --- Source: https://flows.cv/rajni JSON Resume: https://flows.cv/rajni/resume.json Last updated: 2026-04-12