Demo

Java developer

Apexon
Mechanicsburg, PA Full Time
POSTED ON 9/15/2026
AVAILABLE BEFORE 10/22/2026

We are seeking experienced Senior Java Developers with strong expertise in full stack application development and Integrated Eligibility (IE) systems.


Role: Senior Java Developer

Location: Mechanicsburg, PA (Onsite Preferred).

Position: 8


Role Overview:

The ideal candidate will have hands on experience with Java, Spring Boot, React, JavaScript, and Oracle databases, along with domain knowledge of SNAP, TANF, and Medicaid programs. This role involves leading the design and implementation of large scale, secure, scalable, and reliable software solutions while collaborating with cross functional teams.


Key Responsibilities:

• Lead the 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 project 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


Required Skills:

• 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


Preferred Skills:

• Experience supporting State Government projects

• Experience with large scale public sector or healthcare systems

• Strong leadership and mentoring abilities

• Experience with Agile development methodologies


Expected Deliverables:

• Full Stack Java Applications

• REST APIs and Backend Services

• React Based User Interfaces

• Oracle Database Components

• Technical Design Documentation

• System Enhancements and Performance Optimizations

• Production Support and Issue Resolution Deliverables

• Code Reviews and Technical Guidance


Education Requirement:

Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field preferred.

Salary.com Estimation for Java developer in Mechanicsburg, PA
$101,819 to $129,460
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