Senior Integration Developer
3B Staffing LLC, New York, NY, United States
We have a new exclusive role with our client and we can work C2C! The client needs an onshore and offshore resource. Same job description for both.
Job Title: Senior Integration Developer - Lawson (Infor) / AS400 (IBM i) - Procure to Pay
Visa Restrictions: No H1bs
Location: Remote
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
Job Title: Senior Integration Developer - Lawson (Infor) / AS400 (IBM i) - Procure to Pay
Visa Restrictions: No H1bs
Location: Remote
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