Accounts Payable Specialist – Interim

Quantum

. Own accounts payable and AP-related month-end close across DA, TMS and WZD .

Posted 11/11/2026full-timeLondon • United KingdomMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates comprehensive multi-entity accounts payable expertise, including invoice processing, payment runs, and month-end close activities. Proficient in using Xero and Excel for financial management, with a strong focus on automation and process improvement.

Highest-signal resume keywords

Multi-Entity Accounts Payable ExperienceXero ProficiencyStrong Excel SkillsVAT KnowledgeReconciliation Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Invoice ProcessingPayment Run ManagementMonth-End Close ActivitiesReconciliationBudget-Holder ApprovalSupplier Record MaintenanceExpense HandlingCapex Journals PreparationAged Payables ReportingAutomation of Repetitive Tasks

Soft Skills

Attention to DetailTeam CollaborationProblem-SolvingAdaptability in Fast-Paced Environments

Tools & Technologies

XeroGoogle SheetsApps ScriptAI ToolsMossTableauLloyds Online Banking

Industry Keywords

Digital Sector ExperienceMarketing Sector ExperienceAffiliate Sector ExperienceAudit ExperienceMulti-Currency Payments

Tech Stack

Tools & technologies

Tableau

About the role

Key responsibilities & impact

Own accounts payable and AP-related month-end close across DA, TMS and WZD
Run the weekly supplier payment process, including preparing files, checking duplicates, verifying bank details against Xero and following the approval timetable
Process and code invoices by entity, department and activity
Check VAT and obtain budget-holder approval
Maintain supplier records and handle supplier queries
Handle employee expenses and Moss, Amex and Lloyds card transactions
Complete bank, Moss, intercompany, network and marketing cost reconciliations
Prepare capex and depreciation journals
Produce the aged payables report and AP days
Support audits, write standard operating procedures and automate repetitive tasks using AI
Improve payment accuracy, month-end reliability, process documentation and automation

Requirements

What you’ll need

Comprehensive, hands-on multi-entity AP experience, covering the full cycle from invoice to payment run
Experience with Xero
Strong Excel skills
Knowledge of VAT and multi-currency payments
Experience with reconciliations and month-end deadlines
Strong attention to detail and willingness to raise issues early
Confident using AI tools such as Claude or similar for drafting supplier emails, checking invoices, building spreadsheet formulas and documenting processes
Willingness to identify repetitive tasks and automate them using tools such as Google Sheets, Apps Script or Moss
Ability to work as part of a team
Comfortable in a fast-paced environment
Desirable: experience with Moss, Tableau and Lloyds online banking
Desirable: digital, marketing or affiliate sector experience
Desirable: audit experience
Must be able to commit to working three days in the London office: Tuesday, Wednesday and Thursday
Sponsorship requirement for work in the UK addressed in the application form

Benefits

Comp & perks

Private Health Care (Vitality)
Hybrid Working (3 days in office)
Travel Insurance
Competitive Base Salary
Company Bonus Scheme
Paid for AI Subscription (Claude / ChatGPT / Gemini)
Market-Leading Training Programme
Recognition & Reward Scheme
Annual Company Conference
Regular Happy Hours & Team Lunches
Free Coffee, Drinks & Snacks