Senior Integration Developer | Remoet

My name is Avnish Rao and I am a Staffing Specialist at Stellent IT LLC. I am reaching out to you on an exciting job opportunity with one of our clients.

Job Title: Senior Integration Developer Lawson (Infor) / AS400 (IBM i) Procure to Pay

Location: Remote

Type: Contract

Project Overview

• We are supporting a Procure-to-Pay (P2P) implementation of Zip for a client running Lawson (Infor) as their backend ERP. The client also operates a custom middleware platform built on IBM AS400 (IBM i).
• We are seeking two technical integration developers (1 Onshore Lead + 1 Offshore Developer) to support integration development between Lawson and the AS400-based middleware across master and transactional P2P data objects.
• The P2P vendor will manage integrations between Zip and the middleware. This role focuses specifically on Lawson Middleware integration design, development, and support.

Role Responsibilities

• Design and develop integrations between Lawson ERP and AS400 middleware
• Develop and support inbound/outbound interfaces for P2P master and transactional data
• Perform data mapping, transformation, and validation logic
• Support API-based and/or file-based (CSV, XML, JSON) integrations
• Implement error handling, logging, and reconciliation processes
• Collaborate with P2P vendor technical team for end-to-end data flow validation
• Participate in integration testing (SIT, UAT, Performance)
• Support deployment and production stabilization
• Document integration design and technical specifications

Data Objects in Scope

Master Data

• Vendor Master
• Item Master
• Chart of Accounts
• Accounting Units / Cost Centers
• Payment Terms
• Approvers / User Data

Transactional Data

• Requisitions
• Purchase Orders
• Receipts
• Invoices
• Credit Memos
• Payment Status Updates

Required Skills & Experience

Core Technical Skills

• Strong experience with Lawson (Infor S3 or CloudSuite) technical development
• Experience building integrations involving Lawson
• Hands-on experience with IBM AS400 / IBM i
• RPG, COBOL, or AS400-based development experience
• Experience integrating legacy middleware systems
• REST and/or SOAP API integration experience
• File-based integration experience (CSV, XML, flat files)
• Strong SQL and data transformation skills
• Understanding of Procure-to-Pay processes (AP, Purchasing, Vendor lifecycle)

Nice to Have

• Experience integrating P2P systems (Zip, Coupa, Ariba, etc.)
• Infor ION experience
• IBM MQ or messaging framework experience
• Experience working in blended onshore/offshore delivery models
• Exposure to SOX-controlled environments

Ideal Candidate Profile (Onshore Lead)

• 8+ years ERP integration experience
• Deep Lawson technical expertise
• Strong architecture and design skills
• Ability to interface directly with client technical leadership
• Experience leading offshore developers

Ideal Candidate Profile (Offshore Developer)

• 4 7 years integration development experience
• Strong AS400 / middleware development background
• Experience supporting ERP integrations
• Strong debugging and troubleshooting skills

Thanks & Regards

Avnish Rao

Technical Recruiter

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