Business Analyst – AP Invoice Processing Transformation

Business Analyst (SME, Testing) – AP Invoice Processing Transformation (Basware)

Hybrid. Daily rate: £350 – £450 (inside IR35). London (3 days on‑site per week). Contract role – Immediate start preferred.

My client is looking for an experienced Business Analyst with strong hands‑on Accounts Payable (AP) invoice processing expertise to join a high‑priority, GPO‑led transformation programme. This role requires a proactive, detail‑oriented individual who can quickly immerse themselves in existing test artefacts, take ownership of end‑to‑end testing, identify defects, and document system and process behaviour. The analyst will also act as a Subject Matter Expert (SME) to support operational training and handover.

Key Responsibilities

• Own and execute end‑to‑end invoice processing testing, covering Invoice capture (OCR), Validation Approval workflows, Payment processing, and Review.
• Review and enhance existing test scripts; design new test cases where gaps are identified.
• Investigate exceptions and defects independently, documenting clear findings and driving resolution.
• Produce high‑quality process documentation, including end‑to‑end flows, system behaviours, exception scenarios, & known issues.
• Collaborate with GPO leads, SMEs, and BPO/test teams to ensure consistent understanding and coverage.
• Act as an SME for AP invoice processing, supporting knowledge transfer, operational readiness, training materials, and go‑live readiness activities.
• Attend regular stand‑ups and provide concise status updates.

Required Skills & Experience (Must‑Have)

• Proven hands‑on experience in Accounts Payable invoice processing (operations or transformation programmes).
• Strong Business Analyst skillset, including requirements capture, test script creation & execution, and process documentation.
• Experience testing invoice capture/OCR tools and downstream AP or ERP systems.
• Ability to work independently, take ownership, and drive progress without constant oversight.
• Strong analytical mindset with curiosity to investigate end‑to‑end processes, identify edge cases and exceptions.
• Excellent communication skills: clear defect reporting, structured documentation.
• Comfortable working on‑site in London (3 days per week).
• Must have right to work in the UK.

Desirable Experience

• Experience with SAP or other ERP AP modules.
• Background in GPO‑led or shared services transformation programmes.
• Experience working with third‑party BPO providers or offshore testing teams.

*Rates depend on experience and client requirements*

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