Accounts Receivable Specialist (2 month FTC) (Hiring Immediately)

An exciting opportunity has become available to be part of our fast-growing team and to be a key part of the Finance function. This role provides an outstanding opportunity to join a growing global integrated marketing advisory and will provide an ambitious individual with valuable experience for progression and development. This opportunity is for an immediately available Accounts Receivable Specialist (2 month FTC) based in London. Please note we can only accept candidates with no notice period / 1 week. The Company mediasense is a global, independent advisor that brings the clarity, connection and confidence modern marketers need to fuel growth. We help marketers eliminate waste and maximize the impact of their most significant investments at scale. Our ambition is to define and own an entirely new category – recognized as the world’s most trusted, independent and impactful marketing advisor. We do this by elevating how clients operate, how agencies deliver, how platforms perform, and how all parts of the ecosystem connect. Because progress doesn’t happen in isolation, it takes alignment, intelligence, and trust. That’s what we enable. That’s what we stand for. That’s Unified Marketing Intelligence. mediasense is designed around how we help marketers optimize and transform through best-in-class structure and governance (Organization), partners and platforms (Ecosystem), governance and controls (Assurance), and measurement and effectiveness (Science). We have the proven ability to effectively support large, complex organizations and deliver multiple projects simultaneously. As evidenced through our strong track record with clients, we pride ourselves on the consistent high quality of service delivery and the ability to accelerate transformation and growth. mediasense has over 200 employees across London, New York, Singapore and New Delhi. For more information, visit What We Offer Hybrid working Initial 28 days holiday with an accrual of 4 days over first 4 years of service Day off for your birthday + 10 days annual leave purchase per year Length of service awards Work from any location in the world up to 4 weeks per year Bonuses: Discretionary company bonus scheme & new business bonus, employee referral bonus Pension & Group life insurance Private healthcare, enhanced parental, Employee assistance program, Annual season ticket loan, Cycle to work scheme + Tech & voucher schemes Eye test & contribution towards glasses for VDU Charity Day plus fund raising events for charity Learning & development opportunities Frequent events- such as summer, winter & bi-weekly socials Free fruit & snacks + Building linked benefits such as access to gyms & complementary gifts, classes or discounts The Role The successful candidate will manage the end-to-end accounts receivable process and support critical purchase orders, invoicing and collections activity for the EMEA business. This role is also critical in maintaining accurate financial records and supporting cash flow management and reconciliation of accounts. The role itself will involve a range of activities including: Work with project teams to drive supplier portal onboarding. Work with client teams to ensure timely receipt of project POs. Generate and send invoices to customers promptly and accurately, following up on overdue invoices to ensure timely payment. Proactively monitor customer accounts for overdue balances, sending reminders (credit control) & actively manage cash flow into the business. Reconcile accounts receivable ledger to ensure that all receipts are accounted for and properly posted. Business Partnering: working closely with client facing teams & other finance team members to resolve any discrepancies in receipts or customer accounts. Work with the Finance Manager to ensure that cash flow forecasts accurately reflect client receipting expectations. Maintain accurate records and update customer account details as required. The Candidate Due to the critical need for this role, we can only consider candidates who are immediately available for work and comfortable to be working on a fixed term basis The ideal candidate will have the following: Experience working with Xero Experience working supplier portals (Ariba, Tungsten, Coupa, Taulia, Tradeshift, Oracle, Baseware etc) Proven experience using Microsoft Excel & Word Minimum of 3 years experience in an Accounts Receivable (or similar) role Strong attention to detail Highly organised and methodical mindset Ability to work to deadlines Ability to work closely with stakeholders external to Finance A quick note: every application is reviewed by a human on our team (not AI), so it may take us a bit of time to get through them. Because of the large number of applications we receive, we’re not always able to reply to everyone individually especially via LinkedIn messages but we truly appreciate your interest. Please note: We can only consider candidates who already have the right to work in the UK and do not require, now or in the future, visa sponsorship.