Flatpay

Senior Software Engineer, Accounting & Bookkeeping

📍 Location
Herlev, Herlev
⏰ Job Type
full_time
📅 Posted
July 14, 2026
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Job Description

About the job

Flatpay has become one of the fastest-growing payment companies by helping merchants accept payments in-store and online. But with 100,000+ merchants relying on us today, payments are only part of running a business — every transaction eventually needs to land in the books, and that's still far too much manual work.

Accounting and Bookkeeping is one of Flatpay's most strategic engineering domains. We're building the products and platforms that turn transaction data into clean books and accurate financial records — including integrations with the accounting systems our merchants already use.

As a Senior Software Engineer, you'll play a key role in defining the technical direction of Flatpay's accounting platform — from how we model financial data, to how we build systems that handle real-world bookkeeping at scale and connect reliably with the third-party systems on the other end.This is an opportunity to join a company that has grown from startup ...

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