About Marshmallow

We exist to make migration easy.

A systemic problem of this magnitude requires a team of curious thinkers who relentlessly pursue solutions. Those who constantly challenge the why, dismantle assumptions, and always take action to build a better way.

A Marshmallow career is built on a cycle of continuous growth, with learning at its core. You will be challenged to raise the bar on your capabilities and supported with the right tools and guidance to do so. This ensures you can deliver impactful work and drive change.

If life at Marshmallow sounds like it could be for you, explore our Culture Handbook to find out more.

Move our mission, and your career, forward.

This is a temporary opportunity and we are preferably looking for people who are immediately available.

This temporary role will last for 3 months with potential to be extended. You’ll be employed through an agency partner on an Agency Workers Contract for Services. This role will be paid per hour, plus holiday pay which will be accrued.

This role will require 3 days per week in our central London office.

The Finance Team

At Marshmallow, we’re building a financial services company designed for the future — inclusive, data-driven, and fast growing. The Finance team plays a critical role in enabling that growth by ensuring strong financial control, trusted data, and scalable processes that support decision-making across the business.

What you'll be doing

• Customer redress delivery

  • Coordinate end-to-end cheque issuance process, including:

    • Preparation and validation of payment files

    • Liaison with cheque printing and dispatch providers

    • Tracking dispatch and returns

  • Manage customer communications and queries related to redress

  • Handle reissues, exceptions, and follow-ups

  • Maintain accurate logs and audit trails

• Reconciliation & reporting

  • Perform customer-level reconciliation of issued and cleared cheques

  • Investigate and resolve discrepancies

  • Support preparation of monthly internal and FCA reporting

  • Maintain clear documentation and evidence for audit purposes

• Finance operations support

  • Provide ad-hoc support to the Controllership team as capacity allows, including:

    • Reconciliations

    • Transaction reviews

    • Process documentation

    • Other finance transformation initiatives

Who You Are

• 1–3 years’ experience in a finance operations, accounting assistant, or similar role

• Highly organised and methodical

• Comfortable working independently with clear accountability

• Calm under pressure and able to manage competing priorities

• Strong communication skills

What You'll Bring

• Comfortable working with large datasets and reconciliations

• Strong Excel / spreadsheet skills

• High attention to detail and strong ownership mindset

• Desirable

  • Experience in payments, refunds, or customer finance operations

  • Exposure to regulated or audit-driven environments

  • Experience supporting month-end or reporting processes

We are not in a position to offer sponsorship and/or a visa for this position.

Our process

• We break it up into 2 stages:

  • Initial call with a member from our Talent Team (20 mins)

  • Interview with our Group Financial Controller (60 mins)

Background checks

As part of our commitment to maintaining a safe and trustworthy environment, we’ll carry out standard background checks, including a DBS and a Cifas check. These help ensure there are no ongoing criminal proceedings and support the prevention of fraud and other forms of serious misconduct. If anything of concern is identified, it may affect your eligibility for certain roles or services. Feel free to ask our Talent Acquisition team if you have any questions about this!

Everyone belongs at Marshmallow

At Marshmallow, we want to hire people from all walks of life with the passion and skills needed to help us achieve our company mission. To do that, we're committed to hiring without judgement, prejudice or bias.

We encourage everyone to apply for our open roles. Gender identity, race, ethnicity, sexual orientation, age or background does not affect how we process job applications.

We're working hard to build an inclusive culture that empowers our people to do their best work, have fun and feel that they belong.

Recruitment privacy policy

We take privacy seriously here at Marshmallow. Our Recruitment privacy notice explains how we process and handle your personal data. To find out more please view it here.