Senior SAP Business One Lead Integrations & Customisations

Proactive Appointments; Farnham; Hybrid; GBP 70,000 - 95,000; Full time

Job summary

Proactive Appointments Limited seeks an experienced SAP Business One Consultant to take technical ownership of a mature SAP B1 estate, including customisations, integrations, add-ons, reporting and supporting database services.

This hands-on role combines technical leadership with delivery responsibility, line management of internal developers, oversight of third‑party partners, and working within standard SDLC and IT change processes in a hybrid pattern (onsite at least 1 day per week).

Qualifications

• Expert SAP Business One knowledge (architecture, data model, configuration, customisation options).
• Experience with Boyum IT B1 Usability Package and Boyum IT Print and Delivery.
• Strong SQL capability across SAP HANA and T-SQL; performance tuning.
• C#/.NET development experience on integration scenarios.
• Experience with SAP B1 integration frameworks and APIs.

Responsibilities

• Technical ownership of SAP Business One and its customisations, integrations, add-ons, reporting, and supporting database services.
• Line management and technical leadership of internal developers, plus oversight of third-party development partners when required.
• 2nd/3rd line support for complex SAP Business One incidents, problems, and change requests.
• Delivering development work through the agreed SDLC, project governance, and IT change management processes.
• Building strong working relationships with business process owners, key users, Service Desk, infrastructure/security teams, and external suppliers.

Skills

SAP Business One expertise

Boyum IT B1

Boyum IT Print & Delivery

SQL (SAP HANA)

SQL (T-SQL)

C#/.NET

SAP B1 integration

Tools

SDK

DI API

UI API

Service Layer

SAP Business One Integration Framework

Job description

Proactive Appointments Limited seeks an experienced SAP Business One Consultant to take technical ownership of a mature SAP B1 estate, including customisations, integrations, add-ons, reporting and supporting database services.

This hands-on role combines technical leadership with delivery responsibility, line management of internal developers, oversight of third‑party partners, and working within standard SDLC and IT change processes in a hybrid pattern (onsite at least 1 day per week).