Senior SAP Business One Developer | SAP B1 Developer | ERP Integrations Lead

We are seeking an experienced SAP Business One Developer to take ownership of a business-critical ERP environment that supports pricing, order management, warehouse operations, invoicing, fulfillment, integrations, and regulatory reporting. This role is ideal for a hands-on developer who enjoys working directly with production systems, solving complex operational challenges, and improving reliability across a growing organization.

As the first in-house SAP developer, you will inherit an established SAP Business One ecosystem, work directly with executive leadership, and play a key role in shaping development standards, system architecture, and future hiring. This is an opportunity to build, maintain, and enhance the systems that drive daily operations while creating a foundation for future growth and technical excellence.

Responsibilities:

Develop, maintain, and support SAP Business One customizations, integrations, and automation workflows.
Build and enhance order-to-cash, fulfillment, invoicing, pricing, and warehouse automation processes.
Extend and maintain pricing logic across customer agreements, GPO contracts, and other pricing programs.
Modify and support order approval workflows, payment terms, credit holds, and business rules.
Troubleshoot production issues, identify root causes, and safely restore critical business processes.
Maintain and enhance Crystal Reports, pick lists, labels, and document layouts.
Develop integrations between SAP Business One and customer portals, data warehouses, carriers, trading partners, and third-party applications.
Write and optimize SQL queries, stored procedures, and database integrations supporting live operations.
Improve source control, deployment processes, testing, monitoring, error handling, and system documentation.
Collaborate with business, operations, warehouse, and ERP stakeholders to understand and improve workflows.
Establish development best practices and contribute to the growth of the internal development team.
Participate in future hiring, onboarding, and mentoring of additional developers.
Requirements:

Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related field.
Proven experience taking ownership of and supporting production systems built by other developers.
Hands-on software development experience within the SAP ecosystem.
Strong experience with SAP Business One (SAP B1) or another enterprise ERP platform.
Experience building, maintaining, and supporting business-critical integrations and automation solutions.
Strong SQL development and database troubleshooting experience.
Ability to diagnose complex issues across ERP systems, integrations, databases, and operational workflows.
Experience working directly with end users and business stakeholders to gather requirements and deliver solutions.
Preferred Technical Skills

SAP Business One (SAP B1)
SAP DI API
SAP Service Layer
SAP HANA
User Defined Tables (UDT) and User Defined Fields (UDF)
Stored Procedures and Transaction Notifications
Crystal Reports
Boyum B1UP
Node.js
JavaScript / TypeScript
Microsoft SQL Server
REST APIs and OAuth
Windows Server environments
Git and source control practices
ERP and third-party system integrations
Work Schedule: Full-time, onsite during onboarding period. Hybrid flexibility available after successful ramp-up, with onsite presence required for major releases, peak operational periods, and critical production support.

Location: Edison NJ
Salary: $160K