Summary
Overview
Work History
Education
Skills
Languages
Timeline
Generic

Devisiva Nandavarapu

Overland Park,KS

Summary

Experienced professional with 9+ years in web application development, specializing in Object-Oriented Programming, Data Structures, and Multithreading. Skilled in Systems Analysis and Design, with a strong background in Big Data Analysis using Hadoop and Business Intelligence Development. Proficient in Agile methodologies like daily SCRUM and Test-Driven Development. Capable of designing and implementing end-to-end Hadoop ETL projects utilizing components such as HDFS, MapReduce, Apache Crunch, Avro, Hive, Kafka, and Oozie. Extensive expertise in AWS and Azure services, with automation using tools like Oozie workflow engine for Hadoop Map/Reduce tasks. Proven success in building and deploying applications using Maven, Jenkins, and Gradle. Solid foundation in Database Queries, Stored Procedures, Views, Functions, XML, SOAP, REST, and Web Services within a service-oriented architecture framework.

Overview

13
13
years of professional experience

Work History

Senior Member of Technical Staff

Oracle
Kansas City, Missouri
01.2025 - Current
  • Evaluated emerging technologies for potential implementation into existing systems, staying ahead of industry trends.
  • Mentored junior team members in technical concepts, fostering collaborative work environment.
  • Conducted thorough code reviews to maintain coding standards and improve overall software quality.
  • Enhanced existing code to include processing for Department of Defense requested entities.
  • Led successful integration of P2Sentinnel auditing of OCI clients by doing through testing , by collaborating with external teams and preserving data integrity.
  • Involved in new client onboarding by enabling the integration of systems and deployments.
  • Utilized Java, C#, and other programming languages to develop software solutions.
  • Utilized source control systems to manage software development cycle.

Software Engineer

Microsoft
Overland Park, KS
09.2022 - 11.2024
  • Developed Spark scripts for mining information and performed changes on huge datasets to handle reports.
  • Worked on notifications reliability for VMSS and VMSS VM operations.
  • Worked on ingesting the notifications from VMSS and VMSS VM operations using Azure Storage and Azure Databricks.
  • Created synthetics and performed different validations for Save & Restore feature for Azure VDI and rolled out to public preview.
  • Created Aurora scenarios to test the reliability of notifications from CRP to ARG.
  • Performed scale tests on AKS by creating 5k, 10k VMs using Aurora and used Auto Scaler tuning techniques to evaluate the performance of the system.

Software Engineer 2

Nordstrom
Overland Park, KS
11.2021 - 09.2022
  • Developed bigdata web application using Agile Methodology and object-oriented programming.
  • Worked as part of SBFC team to process different payloads data related to orders, vendors through Big Data pipelines and processed them through Kafka, processed them to Oracle DB.
  • Worked with Data sources like HDFS, Hive to store processed data intermediately.
  • Experienced with writing stored procedures and SQL queries to perform CRUD operations on Oracle as part of daily job duties.
  • Managed database schemas and optimized queries in Oracle.
  • Containerized Java microservices using Docker and applied load balancing techniques.

Associate Senior Software Engineer

Cerner Corporation
Kansas City, Missouri
10.2017 - 11.2021
  • Design and develop scalable distributed data solutions using completed Hadoop infrastructure like Apache Crunch, Hive, HBase, Oozie, Avro, Apache Kafka and Zookeeper.
  • Established CI/CD deployment for the team using Spinnaker, Jenkins, Docker, Kubernetes.
  • Worked with current AWS services like S3, ECR, IAM.
  • Participate in production support rotations to monitor production oozie workflow alerts and failures along with Microservice and Public API alerts.
  • Participate in Microservice and Public API release activities using CI/CD technologies like Spinnaker, Docker, Kubernetes, Jenkins, and DC/OS.
  • Experience optimizing ETL workflows.
  • Experience with migrating on prem data pipelines to AWS Cloud.
  • Implemented Partitioning, Dynamic Partitioning in HIVE.
  • Loaded the Data into HDFS from different sources like DB2, Oracle and loaded into Hive tables.

App Dev Consultant

NTT DATA Inc
Hyderabad, India
10.2012 - 12.2015
  • Worked on JavaScript, JSP, and Servlets as a web application replacement for mainframe front end.
  • Involved in development of the application using Spring Web MVC and other components of the Spring Framework.
  • Expertise on some development flow of codes from workspace
  • Deployment servers on tools like Git, Jenkins, Chef and Jira as ticketing tools.
  • Performed SOA/ Web Services testing using SOAP UI.
  • Used Spring framework in development of new modules based on requirements involved in module testing using JUnit.
  • Participated in code reviews, perform unit testing, and integration testing using JUnit.

Education

Master of Science - Computer Information Systems

University of Central Missouri
Warrensburg, MO
05-2017

Bachelor of Science - Information Technology

Jawaharlal Nehru Technological University
India
08-2012

Skills

  • Proficient in Java (8/11/17), C#, and JavaScript
  • Ruby, Python Big Data Systems: Hadoop, MapReduce, Crunch, HDFS, HBase, Hive, Oozie
  • Proficient in AWS and Azure
  • Experience with Hibernate and Spring technologies
  • Tools/IDE: Git, Jenkins, Spinnaker, Docker, Postman, Maven, Splunk, DC/OS
  • App/Web servers: Tomcat, Web Logic, IBM WebSphere
  • Databases: SQL Server 2012, Oracle 11g, DB2, MySQL, Azure Data Explorer
  • ETL & Reporting tools: Informatica 91, Cognos Reporting 84, Tableau Reporting
  • Proficient in problem resolution
  • Architectural design for software systems
  • Automated integration processes
  • Training and mentoring
  • Effective team collaboration
  • Effective troubleshooting skills

Languages

English
Full Professional

Timeline

Senior Member of Technical Staff

Oracle
01.2025 - Current

Software Engineer

Microsoft
09.2022 - 11.2024

Software Engineer 2

Nordstrom
11.2021 - 09.2022

Associate Senior Software Engineer

Cerner Corporation
10.2017 - 11.2021

App Dev Consultant

NTT DATA Inc
10.2012 - 12.2015

Master of Science - Computer Information Systems

University of Central Missouri

Bachelor of Science - Information Technology

Jawaharlal Nehru Technological University

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