Senior Desktop Application Developer

O2 Technologies,Inc; Clifton Heights (Delaware County); On-site; USD 90,000 - 125,000; Full time

Job summary

O2 Technologies,Inc seeks a software professional to maintain and enhance desktop applications with seamless hardware integration. You will implement complex business logic, translate requirements, and produce clear technical documentation while supporting production systems.

Qualifications include a Bachelor's in a computing field (Master’s preferred), strong Java/Swing, PL/SQL, Oracle, and Agile experience.

Qualifications

• Bachelor's degree in CS/IT/SE/CE or related field; master’s preferred.
• Desirable: master’s in CS/SE or information systems.
• Experience with desktop software development and hardware integration is required.

Responsibilities

• Desktop Application Maintenance & Enhancement.
• Hardware Device Integration (USB barcode scanners, scales).
• Data-Driven Workflow Design and complex business logic implementation.
• Business Requirements Translation into technical specs.
• Production Support & Troubleshooting for desktop apps.
• Secure Coding and vulnerability mitigation across the SDLC.
• Agile collaboration and teamwork across cross-functional groups.

Skills

Java / J2EE

Java Swing

PL/SQL

Oracle Database

HSQLDB Embedded Database

Spring Framework

Xerces XML Parser

Com4j COM Bridge

Apache Commons

WiX Toolset

GitHub (Version Control)

Maven Build Automation

SonarLint / SonarQube

Jenkins CI/CD

NetBeans IDE

Agile / Scrum Methodology

Full SDLC Participation

Excel File Processing

USB Hardware Integration

Education

Bachelor's Degree in Computer Science, Information Technology, Software Engineering, Computer Engineering, Related Discipline

Master's in Computer Science / Software Engineering / Information Systems

Tools

GitHub (Version Control)

Maven Build Automation

Jenkins CI/CD

NetBeans IDE

Job description

• Desktop Application Maintenance & Enhancement
• Hardware Device Integration (USB barcode scanners, scales)
• Business Requirements Translation
• Technical Documentation & Communication
• Production Support & Troubleshooting
• Secure Coding & Vulnerability Mitigation

Key Responsibilities & Skills

• Data-Driven Workflow Design
• Complex Business Logic Implementation
• Desktop Application Maintenance & Enhancement
• Hardware Device Integration (USB barcode scanners, scales)
• Business Requirements Translation
• Technical Documentation & Communication
• Production Support & Troubleshooting
• Agile Collaboration & Teamwork
• Secure Coding & Vulnerability Mitigation

Technical Skills

• Java / J2EE
• Java Swing
• PL/SQL
• Oracle Database
• HSQLDB Embedded Database
• Spring Framework
• Xerces XML Parser
• Com4j COM Bridge
• Apache Commons
• WiX Toolset
• GitHub (Version Control)
• Maven Build Automation
• SonarLint / SonarQube
• Jenkins CI/CD
• NetBeans IDE
• Agile / Scrum Methodology
• Full SDLC Participation
• Excel File Processing
• USB Hardware Integration

Education

Bachelor's Degree in Computer Science, Information Technology, Software Engineering, Computer Engineering, Related Discipline. Preferred: Master's in Computer Science, Master's in Software Engineering, MS in Information Systems.

Industry Experience

• Enterprise Software
• Desktop Application Development
• Data-Intensive Business Applications
• Hardware Integration
• Agile Product Development

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