Finance Integration Specialist - S2P, SQL, e-Invoicing, Peppol
New Yesterday
SQL, CTC, e-Invoicing, JSON, PEPPOL, Data Mapping, Data Modelling - Global Outstanding opportunity to join this famous, global law firm within their Finance function to support the strengthening of their global e-invoicing and continuous transaction controls (CTC) capabilities. Were looking for an
Integration Specialist
to play a pivotal role in this transformation. This is a hands-on hybrid role
blending business analysis, integration design, data modelling, and financial process expertise . Youll work across multiple global jurisdictions, partnering with Finance, Tax, IT, and local offices to deliver compliant, scalable, and high-quality integrations. Required Experience: Proven experience designing integration solutions for
e-invoicing & CTC
across multiple jurisdictions. Working knowledge of
PEPPOL, UBL 2.1, JSON / XML schemas,
and
digital certificates/signatures . Strong
SQL skills
to support the generation of JSON / XML files Strong understanding of
Source to Pay
inc. VAT, self-billing, credit notes, withholding, FX, and tax determination. Hands-on integration skills:
REST/JSON APIs, XML/UBL, file/batch interfaces , and familiarity with iPaaS/middleware Strong
Data modelling, canonical modelling and Data Mapping skills Experience with
PMS or ERP systems
(e.g. Elite 3E, Aderant, SAP, Oracle), e-invoicing gateways, and tax engines (e.g. ONESOURCE, Vertex). Strong understanding of AP/AR processes,
invoice lifecycle, GL coding, cost centres, and master data. Excellent documentation skills (specs, mapping workbooks, sequence/data flow diagrams, control documentation). Experience working in Agile environments with matrixed stakeholders. Strong stakeholder management and clear, concise communication. 7+ years
in Business Analysis / Integration roles with a track record in e-invoicing & CTC programmes. What Youll Do: Gather and document business, functional, and non-functional requirements for e-invoicing/CTC compliance. Map current-state AP/AR, tax, and reporting processes; define future-state operating models. Analyse data ownership, lineage, quality rules, and reconciliation needs across PMS/ERP, billing, tax engines, data warehouses, and e-invoicing platforms. Build canonical data models for invoices, credit/debit notes, and adjustments. Define field-level mappings between internal schemas and external standards (PEPPOL BIS/UBL 2.1, country-specific JSON/XML, CSV). Produce transformation specifications, validation rules, and exception logic. Define reference and master data synchronisation requirements. Partner with architects/engineers to design integrations with robust error handling, retries, idempotency, correlation IDs, monitoring, and alerting. Translate jurisdictional mandates into implementable requirements (formats, protocols, signatures, QR codes, archiving, clearance vs post-audit). Coordinate pilots, phased deployments, cutover, regression analysis, and hypercare. Produce compliance documentation with Finance, Tax/VAT, and Risk & Compliance. Define test strategy, test cases, and acceptance criteria across functional, integration, negative/error, performance, and control testing. Prepare sample payloads (JSON, XML/UBL), mocks, and validation checks. Lead UAT with Finance/AP/AR and local office teams; manage defects to closure. £75k-£85k + benefits. 12 months FTC. City of London. 40% remote.
TPBN1_UKTJ
- Location:
- United Kingdom
- Job Type:
- FullTime
- Category:
- IT;Finance