Interim Financial Accountant

Mackie Myers; City Of London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A professional membership organization is seeking a Senior Accounts Assistant for a 6-month temporary role, starting 20th October. The role focuses on managing Accounts Receivable processes and reconciliations, ideal for candidates with strong systems experience, particularly in Microsoft Dynamics. This position offers a day rate of approximately £225 and the potential for a permanent opportunity. Hybrid working is available with 1-2 days per week in the London office.

Benefits

Day rate of around £225

Immediate start with a handover support

Opportunity for permanent position with excellent benefits

Qualifications

• Strong background in Accounts Receivable and reconciliations.
• Experience handling high volumes of financial transactions.
• Confident and personable, adapting quickly to teams.

Responsibilities

• Manage Accounts Receivable processes including invoicing and debt chasing.
• Support reconciliations for bank accounts and payment providers.
• Assist with refunds and allocations, ensuring accuracy.

Skills

Accounts Receivable management

Reconciliations

Microsoft Dynamics

High-volume transaction handling

Confident communication

Education

AAT qualification or working towards it

Tools

Microsoft Dynamics

Various payment platforms

Job description

Overview

Senior Accounts Assistant (Temporary, with potential permanent opportunity)

A hands-on Senior Accounts Assistant role with a focus on Accounts Receivable and reconciliations.

Ideal for someone with strong systems experience (Microsoft Dynamics / Business Central) who thrives in a busy, high-volume environment.

Applicants should be confident, personable, and able to hit the ground running with minimal handholding.

The Client

A professional membership body with over 300 employees, offering qualifications, training, and examinations to its members. They operate with a collaborative culture and are currently undergoing finance system transformation.

The Role

This is a 6-month temporary role (starting 20th October) to support the finance team during a busy transition period, with potential for a permanent role.

• Managing Accounts Receivable processes, including invoicing, debt chasing and reconciliations
• Handling high volumes of transactions across multiple payment platforms
• Supporting reconciliations for bank accounts and payment providers
• Assisting with refunds and allocations, ensuring accuracy and compliance
• Working with Microsoft Dynamics (F&SCM / Business Central) during a system implementation phase

The Successful Candidate

• Strong background in AR and reconciliations with proven experience handling volume
• Skilled in using finance systems, ideally Microsoft Dynamics or similar
• AAT qualified or working towards qualification preferred
• Confident, adaptable, and able to work with minimal supervision
• Personable, collaborative, and able to fit quickly into an established team

What’s on offer?

• Day rate of around £225 umbrella (range available depending on experience)
• Immediate start with a two-week handover before parental leave cover begins
• 6-month contract with potential for a permanent role (perm salary c.£35k + excellent benefits)
• Hybrid working (c.1-2 days per week in the London office)
• Opportunity to join a respected membership organisation during a period of finance transformation

Temporary Senior Accounts Assistant (6 months) join a professional membership body to support AR, reconciliations, and finance operations during a system transformation.