IT Senior Developer

Paragon Leasing L.P.

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Dallas, TX Until 9/4/2026 10+ years exp First posted July 6, 2026 Last posted July 6, 2026
Job description

Department:

Information Technology

Job Description:

JOB SUMMARY: The IT Senior Developer is a senior level role responsible for the ongoing development and maintenance of RPG ILE applications running on an AS/400 platform. Working closely with other developers under the guidance of our IT Director, the purpose of this role is to add on to and/or build out software solutions that manage our daily business operations.  

 

JOB DESCRIPTION:  

Key Responsibilities  

  • Designing, coding/developing and performing acceptance testing of all new and existing integrations written on the AS/400 system  

  • Troubleshooting and resolving system issues, bugs, and other system defects 

  • Creating technical and user documentation 

  • Recording and logging asks in a project management software 

  • Participating in code walkthroughs, testing, and migration 

  • Efficiently managing projects and tasks that may have overlapping timelines 

  • Participating in weekly programming meetings to work out specific development plans 

 

QUALIFICATIONS:  

Minimum Qualifications 

  • Associates degree and extensive knowledge of AS/400 (iSeries) platform, including RPG I-IV, RPG Free, ILE, CL, and CLLE 

  • Experience in application development, complex code development, application testing and component design 

  • Subfiles and Display files 

  • SQL and DB2 databases 

  • Data Transmission (REST API, ODBC, DB2 Web Query, FTP/SFTP, data transfer to Excel/CSV, etc.) 

  • XLS/CSV reports  

  • Integrated File Systems 

  • Project management 

  • Demonstrated ability to communicate and convert needs into technical concepts 

  • Strong analytical and problem-solving skills 

  • Ability to handle multiple tasks in a fast-paced environment with rapidly changing priorities 

  • Highly communicative and interpersonal 

Preferred Qualifications 

  • Transportation industry experience 

  • Experience with Python, Java, Web Services, APIs, VS Code 

 

SKILLS AND ABILITIES:  

  • Developing 

  • Coding 

  • AS400 

  • RPGLE, RPG Free 

  • RDi 

  • SQL 

  • DB2 

  • Trouble shooting 

  • Design 

  • Project Management 

 

Work Experience: 

 10+ years of AS400 development experience

Workshift:

Education:

In compliance with Federal and State equal employment opportunity laws, qualified candidates are considered for all positions without regard to race, color, religion, sex, national origin, age, marital status, veteran status, non-job-related disability, or any other protected group status. 

About this role

Summary

Develops, troubleshoots, and maintains RPG ILE applications on AS/400 platform.

Job title

IT Senior Developer

Experience level

10+ years

Minimum experience

10+ years exp

Industry

software

Location requirements

Dallas, TX; on-site; no remote work

Salary

Not specified

Management role

No

Skills & keywords

Required skills

developingcodingas400rpgLEsqldb2troubleshootingdesignproject management

Preferred skills

pythonjavaweb servicesapisvs code

Specializations

AS/400rpgsqldb2web services
Locations

Structured locations inferred from the posting.

Dallas, TX, USA

On-site City