GA DHS - Senior Software Developer

Senior Software DeveloperAtlanta, GAVirtual InterviewHybrid modeJob Overview:Develop and maintain Java-based applications

using core Java and advanced Java (Java 17).Design and implement microservices

using Spring Boot and other relevant frameworks.Build and consume

RESTful APIs

and web services.Integrate with databases , ensuring performance optimization (e.g., SQL databases like PostgreSQL, Oracle).Write unit and integration tests using

JUnit, TestNG, Mockito , or other testing frameworks.Develop

SQL

queries and analyze data to support application development and production issues.Implement object -oriented design principles

and patterns for scalable and maintainable codebases.Ensure adherence to

clean code principles

and write reusable, modular code.Troubleshoot and debug

Java applications, ensuring optimal performance and security.Participate in

code reviews

and provide constructive feedback to peers.Follow Agile

methodologies

(Scrum) and participate in sprints, daily stand-ups.Use version

control systems

like GitHub for source code management.Implement and manage

CI/CD pipelines

using GitHub Actions.Collaborate with DevOps teams for

cloud deployment and infrastructure

management (AWS).Design, configure, and implement

Spring Batch

jobs for processing large datasets and scheduling tasks.Implement dynamic web pages and views using

JSP (Java Server Pages) .Design and implement authentication and authorization mechanisms using

Key Cloak for

identity and access management, ensuring secure communication through

OAuth2.0

and

JWT tokens .Leverage

SAML/SSO integration

for single sign-on and authentication.Experience and Technical Skills RequiredSeven (7) years of experience in Java and modern technologies.Previous experience usingJava ( Java 17 )

features such as records, sealed classes, switch expressions, pattern matching, and enhanced performance improvementsNode 16ServiceNow, Splunk, DynatraceSpring Framework

(Spring Boot, Spring MVC, Spring Data, Spring Security, Spring Batch)Microservices Architecture

(Designing, developing, and deploying microservices)Java Server Pages

(creating dynamic web pages and integrating with back-end logic)Database Management

(PostgreSQL, Oracle and experience with ORM tools like Hibernate)RESTful Web Services

(API development, consumption, and integration)Thorough understanding of

REST, SOAP, Web services

and API Communication protocols S/FTP/S, HTTP/S, File I/O etc.Testing : JUnit, TestNG, MockitoVersion Control : GitHubBuild Tools : Maven, NPMCI/CD : GitHub ActionsCloud Platforms : Amazon Web ServicesFrontend Integration : Understanding of HTML, CSS, JavaScript, and Angular 17IDE : IntelliJ, Eclipse etc.Security and Identity Management : Experience with

OAuth2.0 ,

JWT tokens , and

SAML/SSO integration

for authentication and authorizationKey Cloak

Integration : Integrate

Key Cloak

with Java-based applications and services for API authenticationScripting Languages:

Proficiency in one or more scripting languages, such as Bash, or PowerShell, PythonTeradata Retail Data Model (RDM) : RDM systems experience is a plus