Finance & Accounting Assistant, Part-time

Location: Copenhagen

Company: Pie Systems

Hours: Part-time, 10–20 hours per week

Reports to: General Manager, Europe & Head of Finance

About Pie Systems

At Pie Systems, we help retailers around the world unlock additional revenue from international shoppers through our PIE VAT platform. Our technology simplifies VAT refund processing and enables merchants to offer seamless tax-free shopping experiences.

Headquartered in Copenhagen, we work with retailers globally and continue to grow. To support our finance operations, we’re looking for a structured and proactive Finance & Accounting Assistant to join our team.

This role is ideal for a student or early-career professional seeking hands-on experience in accounting and finance within a fast-growing international fintech company.

What you’ll do

Accounts Payable & Receivable

• Process and register supplier invoices

• Review bills and supporting documentation

• Monitor the accounting inbox and route invoices to Corpay

• Support management of accounts payable and receivable

• Help ensure timely payments and collections

  
  

Accounts Receivable & Collections

• Review incoming payments and reconcile with AR in e-conomic (in coordination with the team)

• Follow up on outstanding invoices, including monthly reminders to merchants

• Handle inquiries from merchants related to invoices and payments

• Support AR collection efforts, including outreach to overdue accounts

Reconciliation

• Perform bank reconciliations against issued invoices

• Assist in identifying and resolving discrepancies

Financial Operations Support

• Assist with month-end closing activities

• Support preparation of financial documentation and reports

Customer & Internal Coordination

• Manage and respond to accounting-related inbox inquiries

• Coordinate with internal teams to resolve billing questions

• Liaise with merchants regarding invoice issues and payment follow-ups

Projects & Process Improvements

• Support AR collection projects (e.g. outreach to long-outstanding accounts)

• Assist in setting up e-invoicing for eligible merchants

• Contribute to improving finance processes and workflows

What we’re looking for

Education & Skills

• Currently studying or recently graduated in Accounting, Finance, Business Administration, or a related field

• Comfortable working in Excel (pivot tables / VLOOKUP are a plus)

• Familiarity with e-conomic or similar accounting systems is an advantage

• Experience with tools like Corpay and Pleo is a plus

Personal qualities

• Detail-oriented and well-organized

• Reliable and able to work independently

• Proactive with a structured approach to tasks

• Strong communication skills when dealing with internal teams and merchants

Experience

• Previous accounting or bookkeeping experience is required

Practical details

• 10–15 hours per week

• Typically 2–3 days per week, flexible around studies

• Based in Copenhagen (with flexibility for remote work)

• Fluency in English required; Danish or Norwegian is a strong advantage

Why join Pie Systems?

• Gain hands-on finance experience in a fast-growing fintech company

• Work closely with experienced colleagues in an international team

• Flexible working hours suited for students

• Be part of a company helping retailers capture more value from global shoppers