> Markdown version of [/jobs/ext/2011320-senior-java-developer](https://www.wearedevelopers.com/jobs/ext/2011320-senior-java-developer). 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).

---

# Senior Java Developer

- **Company:** Infostretch Corporation
- **Location:** Mechanicsburg, PA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Batch Processing, Code Review, Data Retrieval, IBM DB2, Database Development, Enterprise JavaBeans, Java Platform Enterprise Edition (J2EE), IBM Websphere Application Server, Java Database Connectivity, Javaserver Pages, Model View Controller (MVC), Object-Oriented Software Development, Oracle (Applications), Performance Tuning, Standard Sql, Singleton Pattern, Web Applications, Web Services, Freeform SQL, Software Coding
- **Published:** August 10, 2026
- **Apply:** https://us.experteer.com/career/view-jobs/senior-java-developer-mechanicsburg-pa-usa-58878563

## About the Role

in code reviews and ensure adherence to standards * Support deployment, maintenance, and performance optimization * Create technical documentation and provide implementation support Tasks * 3+ years of Java 6.0 and J2EE development * Strong experience with JSP, Custom Tag Libraries, JavaScript, Session EJBs, and JDBC * Experience using IBM RAD 7.5 or later * Strong understanding of OOAD and MVC * Experience implementing Singleton, Factory, and DAO patterns * Experience developing batch jobs and web services * Experience with IBM WebSphere Application Server 8.0 * Strong SQL experience with DB2 and Oracle * Excellent analytical and problem-solving skills Key requirements * Health Insurance with Dental & Vision * 401K Plan * Life Insurance, STD & LTD * Paid Vacations & Holidays * Continuous Skill Based Development and Career Advancement Opportunities

## Description

Experteer Overview Senior Java Developer needed to drive the development and enhancement of enterprise web applications for a large-scale Integrated Eligibility System. You will work within cross-functional teams to deliver robust software, perform complex SQL development, and address production issues. The role emphasizes hands-on coding, design for scalability, and collaboration with architects, QA, and analysts. Join a mission-driven environment that values performance, reliability, and impactful public-sector projects. Compensation / Benefits * Develop, enhance, and maintain enterprise Java web applications * Write efficient, complex SQL queries for data retrieval and analysis * Perform root cause analysis and resolve defects and production issues * Design and implement scalable components following OO design principles * Develop batch processing jobs and web services to support operations * Collaborate with architects, business analysts, QA, and fellow developers * Participate in code reviews and ensure adherence to standards * Support deployment, maintenance, and performance optimization * Create technical documentation and provide implementation support Tasks * 3+ years of Java 6.0 and J2EE development * Strong experience with JSP, Custom Tag Libraries, JavaScript, Session EJBs, and JDBC * Experience using IBM RAD 7.5 or later * Strong understanding of OOAD and MVC * Experience implementing Singleton, Factory, and DAO patterns * Experience developing batch jobs and web services * Experience with IBM WebSphere Application Server 8.0 * Strong SQL experience with DB2 and Oracle * Excellent analytical and problem-solving skills Key requirements * Health Insurance with Dental & Vision * 401K Plan * Life Insurance, STD & LTD * Paid Vacations & Holidays * Continuous Skill Based Development and Career Advancement Opportunities


## Related Videos

- [Data Fabric in Action - How to enhance a Stock Trading App with ML and Data Virtualization](https://www.wearedevelopers.com/videos/253-data-fabric-in-action-how-to-enhance-a-stock-trading-app-with-ml-and-data-virtualization)
- [Are Code Reviews Worth It? Insights from 16 Years of Review Data](https://www.wearedevelopers.com/videos/1135-are-code-reviews-worth-it-insights-from-16-years-of-review-data)
- [The Evolution of Enterprise Java with Jakarta EE 11 and Beyond](https://www.wearedevelopers.com/videos/1562-the-evolution-of-enterprise-java-with-jakarta-ee-11-and-beyond)
- [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob)
- [Build a CI/CD pipeline to automate code reviews and ensure code quality](https://www.wearedevelopers.com/videos/349-build-a-ci-cd-pipeline-to-automate-code-reviews-and-ensure-code-quality)
- [Measuring the Wrong Things Faster Than Ever](https://www.wearedevelopers.com/videos/100317-measuring-the-wrong-things-faster-than-ever)

## Related Articles

- [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for)
- [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries)
- [Java Basics](https://www.wearedevelopers.com/magazine/122-java-basics)
- [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)
- [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools)
- [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)