vaibhav sahu

Senior Software Engineer

UnitedHealth Group•  December 2018 - Present

Implementing the new message retry mechanism using Kafka in the event of any failure in the downstream systems. Rest services templates are generated using swagger specifications. Test plans and Unit Testing using JUnit and Mockito. Bi-weekly sprints using agile development methodologies. Development of new listeners for producers and consumer for both Rabbit MQ and Kafka

Java Developer

HCL•  April 2014 - March 2015

Involved in building GUI using JSF, JSP, JavaScript, HTML, and CSS • Used MVC architecture framework like Struts to implement user interfaces. Implemented validations and tiles for web pages using struts validation framework • Implemented User interface using Struts framework tag library JSP's and validation by using JavaScript • Actively Involved in EJB component development, deployment for the different application interfaces • Involved in writing and modifying the database stored procedures, functions and PL/SQL Scripts

Java Developer

Unisys•  December 2010 - April 2014

Designed various tables required for the project in Oracle 9i database. • Extensively involved in programming the SQL Queries, Stored Procedures and Triggers in the application. • Modeled databases and created hibernate configuration files required for mapping java beans (POJO) into Database • Designed, developed and maintained the data layer using JDBC and performed configuration of Java application • Created a user Interface through HTML and JSP, Standard Tag library • Developed java beans and used Spring Core to implement the business logic