SAP Technical Architect

Job Title: SAP Technical ArchitectJob Location: London, UKJob Type: Permanent/ ContractWe need a hands-on developer with 12 to 18 years of exp.Key responsibilitiesOwn technical architecture and solution design across SuccessFactors, S/4HANA Finance, and Ariba.Define integration architecture (real-time and batch) between SF, S/4HANA, Ariba, and third-party systems using CPI/PI/PO, APIs, middleware, IDocs, RFCs, REST/SOAP.Lead design for S/4HANA Finance data model, Fiori/UI5 apps, and extension strategies (BTP, side-by-side, in-app).Design and implement SAP Ariba integration (Ariba Network, Cloud Integration Gateway), catalog, contracts, and P2P technical setup as required.Lead SuccessFactors technical implementations (Employee Central, Payroll integration, Provisioning/OData APIs, extensions).Oversee custom development: ABAP (RAP, CDS, AMDP), SAPUI5/Fiori, BTP services, and Java/Node integrations where applicable.Define non-functional requirements: performance, availability, security, compliance, backup/recovery.Establish coding standards, CI/CD pipelines, transports, and release governance.Mentor development teams, perform code/design reviews, and provide technical guidance during testing and go-live.Collaborate with business architects, functional leads, security, and operations for solution acceptance and post-go-live support.