Tajiri Ujasiri

About Tajiri Ujasiri

Greetings.I\'m a Senior level Software Engineer, Linux System Administrator + Adjunct Professor. I\'ve been an IT Professional for the past 20+ years.

Experience

1. Senior Full Stack Developer Iv Software Engineer

   DXC Technology

   Mar 2019 — Present · New Orleans, LA, US

   Duties:• Development of applications using technologies such as Java (SE/EE), Spring Boot, UNIX Shell Script, Scala, Spark and SQL on various projects for a global client baseProjects:Chevron (SAVE)Role – Senior Backend DeveloperDuties/Accomplishments• Maintained and enhanced Java EE Spring Boot REST API, using JPA for ORM and Tomcat 8.0.27• Created & executed DDL & DML scripts for robust SQL Server database solutions• Maintained Cloudera Dataflow pipeline to fetch data from sources, ingest, transform/produce, publish and consume Hive/Implala data• Created, maintained and modified Oozie workflow actions for all big data modules of the application – fetcher/selector, producer, publisher• As code base branch manager, performed merging, reconciliation and deployment/promotion of code base from development to staging environments• Created and modified flowcharts, data pipeline diagrams, Oozie workflow diagrams and solution architecture diagrams (Visio, vizoozie, Graphviz)• Managed application workflow with Jenkins CI/CD Pipleline jobs• Modified Scala Hadoop environment dataset processing for data transformation• Implemented AngularJS ForkJoin solution to calculate and invoke up to 200 concurrent Spring Boot Rest API calls to retrieve data from backend using JPA pagination to return data in slicesTechnologies UsedJava, Spring Boot, JPA, AngularJS 6, RxJS, Hue, Hive/Implala, SQL Server Management Studio(SMSS), SQL Server, Oozie, Sqoop, Node Package Manager, Cloudera, Apache Spark, Visio, GraphvizIBM Watson HealthRole – Lead DeveloperDuties/Accomplishments• Managed application workflow with Jenkins CI/CD Pipleline jobs• Performed daily backup and restore of PostgreSQL database from Production snapshot• Used Java ForkJoin strategy to process and transfer RxNorm data to IBM’s HealthTerm systemTechnologies UsedJava, PostgreSQL, Hive, Apache Spark

Education

• Grambling State University

  Computer Science, Computer Science, Mathematics

  1994 — 1996

• Louisiana Tech University

  Bachelor of Science (BS) Candidate, Computer Science

  1991 — 1994

Skills

• Xml
• Informix
• Jbpm
• Jquery Mobile
• Netbeans
• Redis
• C#
• Redhat
• Git
• Java
• Apache
• Unix Shell Scripting
• Jquery
• Nfs
• Android Development
• Jqgrid
• Perl
• Github
• Javascript
• Ios Development
• Groovy
• Php
• Ssl Certificates
• Blackberry Applications
• Social Media
• Linux
• Microsoft Office
• System Administration
• Visual Studio
• Unix
• Software Development
• Event Planning
• Html
• Vmware
• Red Hat Linux
• Solaris
• Bash
• Eclipse
• Linux System Administration
• Regular Expressions