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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Java Developer - **Company:** Infostretch Corporation - **Location:** Harrisburg, PA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Agile Methodology, Application Performance Management, Code Review, Databases, Data Security, Software Design Patterns, Oracle Databases, Oracle (Applications), Scrum Methodology, Software Architecture, Release Management, Systems Architecture, Enterprise Software Applications, ReactJS, Spring-boot, Backend, Restful APIs - **Published:** August 10, 2026 - **Apply:** https://us.experteer.com/career/view-jobs/senior-java-developer-harrisburg-pa-usa-58878551 ## About the Role layers * Collaborate with architects, business analysts, QA teams, and stakeholders to deliver enterprise solutions * Apply Integrated Eligibility domain knowledge to support business requirements and technical implementations * Participate in system architecture discussions and technical decision making * Ensure application performance, reliability, scalability, and security * Troubleshoot production issues and provide technical guidance for complex problems * Mentor junior developers and contribute to engineering best practices and coding standards * Support Agile development activities including sprint planning, code reviews, and release management Tasks * 6+ years of full stack software development experience * Strong experience with Java * Strong experience with Spring Boot * Strong experience with React * Strong experience with JavaScript * Experience working with Oracle databases * Experience with Integrated Eligibility (IE) applications * Domain knowledge of SNAP, TANF, and aa access programs * Strong understanding of software architecture, design patterns, and enterprise application development * Experience designing scalable, secure, and reliable systems Key requirements * Health Insurance with Dental & Vision * 401K Plan * Life Insurance, STD & LTD * Paid Vacations & Holidays * Continuous Skill Based Development and Career Advancement Opportunities * Diversity & Inclusion programs ## Description Experteer Overview As a Senior Java Developer at Apexon, you will lead the design and implementation of large, secure, scalable full-stack solutions. You will work with Java, Spring Boot, React, and Oracle databases within Integrated Eligibility (IE) projects in the public sector. Youll collaborate with cross-functional teams to deliver enterprise-grade software that meets business requirements and quality standards. This role offers hands-on technical leadership and the opportunity to shape mission-critical systems in a fast-paced environment. You will drive performance, security, and reliability while mentoring junior engineers and guiding engineering best practices. Compensation / Benefits * Lead design and implementation of large scale, complex software systems * Develop and maintain full stack applications using Java, Spring Boot, React, and JavaScript * Build scalable and secure backend services and RESTful APIs * Design and optimize Oracle database interactions and data access layers * Collaborate with architects, business analysts, QA teams, and stakeholders to deliver enterprise solutions * Apply Integrated Eligibility domain knowledge to support business requirements and technical implementations * Participate in system architecture discussions and technical decision making * Ensure application performance, reliability, scalability, and security * Troubleshoot production issues and provide technical guidance for complex problems * Mentor junior developers and contribute to engineering best practices and coding standards * Support Agile development activities including sprint planning, code reviews, and release management Tasks * 6+ years of full stack software development experience * Strong experience with Java * Strong experience with Spring Boot * Strong experience with React * Strong experience with JavaScript * Experience working with Oracle databases * Experience with Integrated Eligibility (IE) applications * Domain knowledge of SNAP, TANF, and Medicaid programs * Strong understanding of software architecture, design patterns, and enterprise application development * Experience designing scalable, secure, and reliable systems Key requirements * Health Insurance with Dental & Vision * 401K Plan * Life Insurance, STD & LTD * Paid Vacations & Holidays * Continuous Skill Based Development and Career Advancement Opportunities * Diversity & Inclusion programs ## Related Videos - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) ## Related Articles - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [Fullstack developer salary in Germany [2023]](https://www.wearedevelopers.com/magazine/197-fullstack-developer-salary-in-germany-2023) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)