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Tadele Ayelegn

@tadeleayelegn1

Full Stack Developer at Department of Homeland Security, migrating AngularJS pages to React while supporting a Java and Spring application.

United States

Message

At the Department of Homeland Security, I support a web application while migrating its front end from AngularJS to React. I develop React components and Java 17 and Spring updates, and connect the interface to backend APIs.

At the Department of Veterans Affairs, I developed and maintained Spring Boot applications, built Kafka producers and consumers, and migrated multitier applications to AWS. I also implemented Spring Security and SSO with OAuth2 for a client-facing web application.

At Freddie Mac, I worked on an application being broken down from a monolith into microservices. I developed Angular and Spring Boot features and migrated REST APIs to GraphQL.

Experience

Work history, roles, and key accomplishments

Current

Full Stack Developer

Current

Department of Homeland Security

Nov 2024 - Present (1 year 11 months)

Provided production support and migrated AngularJS front end to React while maintaining Java backend. Developed React components, backend code, and unit tests.

React AngularJS Java 17 Spring Framework SQL Stored Procedures Maven Jenkins CI CD Git Kibana Tomcat

Full Stack Java Developer

Department of Veterans Affairs

Nov 2020 - Nov 2024 (4 years)

Developed and maintained Spring Boot applications, set up Kafka clusters, and migrated applications to AWS. Implemented Spring Security and SSO with OAuth2.

Spring Boot SpringBatch Kafka Docker Kubernetes AWS Lambda AWS ECS Amazon EKS SOAP REST APIs Angular CSS HTML5 Oracle JPA JDBC Junit Mockito OAuth MongoDB Git Maven Jenkins

Full Stack Java Developer

Freddie Mac

Dec 2015 - Jul 2020 (4 years 7 months)

Developed client application with Angular 6 and services with Spring Boot, migrated REST APIs to GraphQL, and implemented state management with NgRx. Worked on breaking down a monolith into microservices.

Angular Spring Boot NgRX TypeScript JavaScript MongoDB Java 8 REST SOAP SoapUI Junit Mockito Spring Security Spring AOP SpringBatch Git Maven Jenkins AWS OpenShift SonarQube

Java/J2EE Developer

UnitedHealth Group

Sep 2013 - Oct 2015 (2 years 1 month)

Developed the Vermont Health Connect application using Spring MVC and implemented cross-cutting concerns with Spring AOP. Built UI pages with JSP, jQuery, and AJAX.