Lawson ERP Integration Developer AS400

Job Title: Integration Developer – Lawson (Infor) / AS400 (IBM i)
Location: Remote
Visa: No H1Bs

Project Overview

We are seeking a hands-on Integration Developer to support Lawson ↔ AS400 middleware integrations as part of a Procure-to-Pay implementation.

This role will work under an Onshore Integration Lead and focus on development, debugging, and support of ERP integration interfaces.

Key Responsibilities

• Develop integrations between Lawson ERP and AS400 middleware

• Build inbound/outbound interfaces for P2P master and transactional data

• Perform data mapping, transformation, and validation

• Develop and support REST/SOAP API integrations

• Implement file-based integrations (CSV, XML, JSON)

• Troubleshoot integration failures and data discrepancies

• Participate in SIT, UAT, and production support

• Maintain integration documentation

• Support reconciliation and logging processes

Data Objects in Scope

Includes P2P master and transactional data such as:

• Vendor Master

• Item Master

• Purchase Orders

• Invoices

• Receipts

• Payment Status

Required Skills

• 4–7 years integration development experience

• Strong IBM AS400 / IBM i development background

• RPG or COBOL development experience

• Experience supporting ERP integrations

• REST and/or SOAP API experience

• File-based integration experience (CSV, XML, flat files)

• Strong SQL and troubleshooting skills

• Basic understanding of Procure-to-Pay processes

• Strong debugging and issue resolution skills.

Nice to Have

• Lawson (Infor) exposure

• IBM MQ or messaging experience

• P2P system integration exposure

• Experience working in offshore delivery models

If you are interested, please share your updated resume.

Best regards,
Hari Daile
Senior US IT Recruiter
Stem Staffing LLC