Full-Stack Developer (POS & IBM i) Specialist

Populus Financial Group, Inc.; Irving (TX); On-site; USD 85,000 - 130,000; Full time

Benefits offered by this job

401K match

Paid time off

Health benefits

Job summary

Populus Financial Group, Inc. is seeking a skilled Full Stack Developer to design, develop, test, and maintain applications across the full stack, including POS interfaces and IBM i back-end processing.

You will build RESTful APIs, front-end UIs, and SQL data retrieval to support operations across hundreds of retail locations. The role requires strong full stack capabilities, familiarity with IBM i environments, and experience with deployment processes alongside DevOps collaboration.

Qualifications

• Bachelor's degree in Computer Science or related field.
• 3 years of full stack development experience.
• Proficient in C#/.NET and/or Python; API development experience.
• Practical experience with POS systems, IBM i environments, and UNC path access.

Responsibilities

• Build and maintain RESTful APIs and back-end services that integrate with POS systems, IBM i (AS/400) DB2 data sources, and third-party platforms.
• Develop front-end UIs using modern frameworks; translate business requirements into user-friendly screens.
• Perform store-level incident investigation and production troubleshooting, including POS logs.
• Execute SQL-based data extractions against IBM i DB2 and MS SQL Server for reporting and audits.
• Analyze and validate store-level deployment configurations; detect discrepancies and DLL mismatches.
• Retrieve store artifacts via UNC path from POS drives and IBM i IFS; support compliance and audits.
• Coordinate deployments with DevOps; manage jump server tasks and service accounts.

Skills

Full stack development

C#/.NET

Python

API development

UI/UX implementation

Git/TFS

CI/CD

Agile/Scrum

UNC path access

Education

Bachelor's Degree in Computer Science or related field

Tools

Visual Studio 2022

DB2 SQL

WinMerge

Notepad++

SSMS

Git

TFS

Docker

Job description

Populus Financial Group, Inc. is seeking a skilled Full Stack Developer to design, develop, test, and maintain applications across the full stack, including POS interfaces and IBM i back-end processing.

You will build RESTful APIs, front-end UIs, and SQL data retrieval to support operations across hundreds of retail locations. The role requires strong full stack capabilities, familiarity with IBM i environments, and experience with deployment processes alongside DevOps collaboration.