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Flatpay Tech Stack

Flat-rate POS and payments for SMBs across Europe

Technology, Information and Internet Herlev, Capital Region of Denmark 1,001–5,000 employees Founded 2022 Privately Held

flatpay.com LinkedIn

Flatpay operates a payment infrastructure business built on transparent, all-in pricing for small and medium-sized merchants across seven European markets. The tech stack reveals a sales-driven organization: Java/Spring backend, React frontend, containerized on AWS, with Camunda workflow orchestration and RabbitMQ for event handling — but only 1 engineering hire against 111 sales roles signals rapid field expansion is outpacing engineering velocity. Active projects show aggressive geographic scaling (France, Netherlands launches underway) while simultaneously grappling with churn and high transaction costs, two classic friction points in payment processing.

Tech Stack 46 technologies

Core StackPower BI DocuSign Java Spring JUnit RabbitMQ GitHub Actions CircleCI Docker Terraform GitHub JavaScript TypeScript React Excel PowerPoint Notion Microsoft Office Google Workspace LinkedIn Personio SQL CRM Microsoft Dynamics 365 Business Central Flyway Camunda MQTT AWS ECS Git HTML+16 more

What Flatpay Is Building

◆Challenges

Expanding into france
German labor law compliance
Entering new market
High transaction costs
Complex financial management for smes
Launching flatpay in a new market
Optimizing field sales processes
Reducing churn
Capturing new market share
Scaling sales organisation

▲Active Projects

Install payment solutions
Launch flatpay in france
Terminal installation and onboarding
Building a team of field merchant payment consultants
Launching in netherlands
Launch flatpay in netherlands
Install terminals for new merchants
Scalable data infrastructure
B2b payment solutions sales
Commercial planning and sales excellence initiatives

Hiring Activity

Accelerating150 roles · 100 in 30d

Department

Sales

111

HR

9

Support

7

Marketing

4

Ops

4

Finance

3

Data

2

Engineering

1

Seniority

Manager

65

Mid

42

Junior

25

Lead

6

Senior

5

Intern

3

Notable leadership hires: Chief of Staff

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About Flatpay

Flatpay is a Copenhagen-founded fintech company providing point-of-sale systems and payment processing with a fixed-rate pricing model — no hidden fees, no monthly subscriptions. The company targets small and medium-sized businesses across Denmark, Finland, Germany, Italy, France, the United Kingdom, and the Netherlands. Founded in 2022, Flatpay has grown to 1,001–5,000 employees and is scaling aggressively: 104 job postings in the last 30 days, with 149 open roles concentrated in sales and field operations. The organization is built around merchant acquisition and terminal deployment rather than product engineering.

HeadquartersHerlev, Capital Region of Denmark

Company Size1,001–5,000 employees

Founded2022

Hiring MarketsFrance, Italy, United Kingdom, Germany, Finland, Netherlands, Denmark, United States

Frequently Asked Questions

What countries does Flatpay operate in?

Flatpay operates in Denmark, Finland, Germany, Italy, France, the United Kingdom, and the Netherlands. Active expansion projects include launches in France and the Netherlands, with hiring also underway in the United States.

What is Flatpay's tech stack?

Backend: Java, Spring, SQL, RabbitMQ, Camunda. Frontend: JavaScript, React, TypeScript, HTML. DevOps: Docker, Terraform, AWS ECS, GitHub Actions, CircleCI. Internal tools: Excel, Power BI, Notion, Personio, Microsoft Dynamics 365 Business Central.