Java Developer

Piper Companies is looking for a Java Developer to join a government contractor in Colorado Springs, CO. This role requires the candidate to report onsite 3 days a week and have an active Secret Clearance

Essential Duties of theJava Developer:

Build Web and backend application/services for credentialing/case management system

Use Java/Spring based REST APIs along with a Web 2.0 framework and a continuous integration environment

Create scalable and maintainable software solutions

Write unit and integration tests (e.g., using JUnit, TestNG) Qualifications of theJava Developer:

Bachelor's degree preferred and 5+ years of relevant experience developing and implementing software solutions using AngularJS, HTML, CSS, JavaScript, Bootstrap and Java

1+ years experience with using Java development tools (e.g. Eclipse, JUnit, Git)

Experience in a large scale Federal IT Program

Experience with SAFe Agile delivery framework

Active Secret security clearance required Compensation for theJava Developer:

$90,000 - $110,000 (based on experience)

Comprehensive benefit package; Cigna Medical, Cigna Dental, Vision, 401k w/ ADP, PTO, paid holidays, sick Leave as required by law

This job opens for applications on 7/19/25. Applications for this job will be accepted for at least 30 days from the posting date

#LI-HYBRID

#LI-BM2

Java, JDK, JRE, JVM, Java SE, Java EE, JavaFX, Spring, Spring Boot, Hibernate, JPA, JDBC, Maven, Gradle, Ant, IntelliJ IDEA, Eclipse, NetBeans, Git, GitHub, GitLab, Bitbucket, REST API, SOAP, JSON, XML, Servlet, JSP, Thymeleaf, JSF, Microservices, Monolith, Docker, Kubernetes, CI/CD, Jenkins, Travis CI, SonarQube, Unit Testing, JUnit, TestNG, Mockito, Integration Testing, TDD, BDD, Design Patterns, Singleton, Factory, Observer, MVC, MVVM, DAO, DTO, POJO, Bean, Lambda Expressions, Streams API, Functional Interfaces, Generics, Collections Framework, List, Set, Map, Queue, ArrayList, HashMap, HashSet, TreeMap, ConcurrentHashMap, Multithreading, Concurrency, Synchronization, ExecutorService, Future, Callable, ThreadPool, Deadlock, Race Condition, Garbage Collection, Memory Management, ClassLoader, Reflection, Annotations, Enums, Interfaces, Abstract Classes, Inheritance, Polymorphism, Encapsulation, Exception Handling, try-catch, throw, throws, finally, Logging, Log4j, SLF4J, Lombok, Security, OAuth2, JWT, Spring Security, Authentication, Authorization, SSL, TLS, HTTPS, WebSocket, Web Services, API Gateway, Load Balancer, Reverse Proxy, Cloud, AWS, Azure, GCP, Heroku, Tomcat, Jetty, WildFly, GlassFish, WAR, JAR, Build Automation, Dependency Injection, Inversion of Control, Configuration, YAML, Properties File, Environment Variables, Profiling, Performance Tuning, Code Review, Agile, Scrum, Kanban, DevOps, Domain-Driven Design, Clean Code, SOLID Principles, DRY, KISS, YAGNI