Full-Stack Developer: POS & IBM i Systems

Populus Financial Group; Irving (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

Populus Financial Group is seeking a Full Stack Developer to design, develop, test, and maintain software across the full technology stack, including front-end interfaces, back-end services, APIs, and databases. You will work within the IT Application Service Management group supporting POS systems and IBM i environments across store locations.

Key responsibilities include building RESTful APIs, developing modern UIs, troubleshooting store-level deployments, and collaborating with DevOps and

Qualifications

• 3 years of full stack development in production environments across front-end, back-end, and database layers.
• Bachelor’s degree in Computer Science, Information Systems, Software Engineering, or related field or equivalent experience.
• Proficient in C# (.NET) and/or Python; experience building server-side logic, APIs, and utilities.
• Experience with front-end frameworks and RESTful API design/integration; ownership of features end-to-end.

Responsibilities

• Design, develop, and maintain full stack web applications and internal tools using multiple frameworks.
• Build and maintain RESTful APIs integrating with POS systems and IBM i DB2 sources.
• Develop front-end interfaces with modern JS frameworks and collaborate with stakeholders.
• Investigate production incidents, analyze logs, and troubleshoot across systems.
• Execute SQL extractions against IBM i DB2 and MS SQL Server for analysis.

Skills

C#/.NET

Python

JavaScript/TypeScript

SQL

Git/TFS

CI/CD

Pos systems

Azure/AWS

IBM i

Education

Bachelor’s degree in CS/IS/Engineering

Tools

DB2 SQL

WinMerge

DBeaver

Notepad

Windows Task Scheduler

Job description

Populus Financial Group is seeking a Full Stack Developer to design, develop, test, and maintain software across the full technology stack, including front-end interfaces, back-end services, APIs, and databases. You will work within the IT Application Service Management group supporting POS systems and IBM i environments across store locations.

Key responsibilities include building RESTful APIs, developing modern UIs, troubleshooting store-level deployments, and collaborating with DevOps and