> Markdown version of [/jobs/ext/4702743-application-programmer](https://www.wearedevelopers.com/jobs/ext/4702743-application-programmer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Application Programmer - **Company:** Collabera - **Location:** Newark, DE, United States - **Experience:** Expert - **Salary:** $114,400 - $124,800 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Applications Architecture, Application Performance Management, Unit Testing, Code Review, Software Debugging, Software Design Patterns, Java Platform Enterprise Edition (J2EE), Spring Framework, Object-Oriented Software Development, Software Deployment, Software Engineering, Systems Integration, SOAPAPI, Backend, Front End Software Development, Restful APIs, Spring Batch - **Published:** November 13, 2026 - **Apply:** https://www.collabera.com/submit-resume/ ## About the Role Must-Have Requirements: o 5-8 years of hands-on experience in Java development. o Strong expertise in Core Java and the Spring Framework. o Hands-on experience with Spring Integration. o Hands-on experience with Spring Batch. o Strong understanding of Object-Oriented Programming (OOP) concepts. o Experience with software design patterns and backend application architecture. o Experience developing and integrating RESTful APIs and SOAP web services. o Strong knowledge of backend application development and integration. o Experience troubleshooting, debugging, and resolving application issues. o Experience writing unit tests and participating in code reviews. o Ability to understand business requirements and translate them into technical solutions. o Strong analytical and problem-solving skills. o Ability to collaborate with cross-functional business and technology teams. Preferred Requirements: o Exposure to UI/frontend technologies. o Experience optimizing backend application performance. o Experience supporting application deployments and production releases. o Ability to work independently and contribute to technical discussions. ## Description We are looking for a Backend Java Developer with 5-8 years of experience who has strong hands-on expertise in Core Java, Spring Framework, Spring Integration, and Spring Batch. The ideal candidate should have a solid understanding of object-oriented programming, design patterns, and backend application architecture, along with experience developing and maintaining REST and SOAP web services., o Java o J2EE o Backend o OOP o Spring Framework