> Markdown version of [/jobs/ext/3134164-sap-b1-consultant](https://www.wearedevelopers.com/jobs/ext/3134164-sap-b1-consultant). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # SAP B1 Consultant - **Company:** Proactive.IT Appointments Ltd. - **Location:** Farnham, UK - **Salary:** £75,000.0 - £85,000.0 - **Contract:** Permanent contract - **Skills:** .NET Framework, Application Programming Interfaces (APIs), C Sharp (Programming Language), Crystal Reports (Reporting Software), SAP ERP, Systems Development Life Cycle, Query Optimization, SAP (Applications), SAP Business One, SAP HANA, Service Layer, SQL Databases, Transact-SQL, Sap Business Objects, SAP S/4HANA - **Published:** September 29, 2026 - **Apply:** https://www.reed.co.uk/jobs/sap-b1-consultant/57402802 ## About the Role Please note: This role requires SAP Business One expertise specifically. SAP ERP (ECC6/7, S/4HANA) experience is not considered equivalent for this position. * Expert SAP Business One knowledge (architecture, data model, configuration, customisation options) * Boyum IT B1 Usability Package (advanced use: function buttons, validations, universal functions) * Boyum IT Print and Delivery (or comparable SAP Business One output management tooling) * Strong SQL capability across: * SAP HANA SQL * Microsoft Transact-SQL (T-SQL) * Query optimisation and investigation of data/performance issues C# / .NET development (strong, hands-on) SAP Business One integration/extensibility experience, such as: * SDK, DI API, UI API, Service Layer, and/or SAP Business One Integration Framework (as relevant to the environment), * Blueprint Design & Implementation * Communication Skills (Key) * Crystal Reports * Enterprise Resource Planning (ERP) (Diploma) * SAP (Enterprise Resource Planning) * SAP Business One & Business Objects * SAP Enterprise Software * SAP HANA * SQL Databases * Stakeholder Management (Business) ## Description We're looking for an experienced SAP Business One specialist to take technical ownership of a mature SAP B1 estate, covering customisations, integrations, add-ons, reporting, and supporting database services. This is a hands-on technical leadership role with responsibility for delivery, support, and guiding a small development function. Working pattern: Hybrid, with an expectation that you'll be onsite at least 1 day per week. You will be responsible for: * 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.