<!-- canonical: https://deftridge.com/team/stefan-auer/ -->
Source: https://deftridge.com/team/stefan-auer/
Title: Stefan Auer, Payments and Billing Specialist | Deftridge
Summary: Stefan Auer, Payments and Billing Specialist at Deftridge, based in Vienna, Austria. Writes only from stefan.auer@deftridge.com.

Payments and billing

# Stefan Auer

Payments and Billing Specialist. The team that moves the money: companies prepay, professionals are paid once hours or deliverables are confirmed.

- **E-mail** [stefan.auer@deftridge.com](mailto:stefan.auer@deftridge.com)

- **Based in** Vienna, Austria

- **Team** Payments and billing

- **On the team since** 2025

About Stefan

## What Stefan handles

Reconciles confirmed hours with payouts and answers tax-document questions in writing.

Invoices

Prepayment invoices in dollars, Canadian dollars, pounds or euros, with the 15% shown on its own line.

Payouts

When a professional is paid and how to change the bank details safely.

Tax documents

The forms and records a contractor needs at year end.

Refunds

Money-back requests that follow a guarantee, handled in writing.

How it works

## How to work with Stefan


### Write with the details

E-mail Stefan at stefan.auer@deftridge.com or use the contact form, with the task or invoice number if you have one.


### A reply in writing

You get an answer in writing within one working day, in your time zone.


### One thread

The conversation stays in one thread, so nobody asks you the same thing twice.


### Escalate if it stalls

If a request is stuck, reply to the thread and a team head picks it up the same day.

Stay safe

## Did someone use Stefan's name?

Genuine mail from Stefan arrives from **stefan.auer@deftridge.com** and from no other address. Nobody here asks for money, a password or bank details, or pushes for a quick answer. In doubt, run the sender through our checker.

Colleagues

## More from Payments and billing

5 colleagues work in the same team.

- [Dina Cohen Payments and Billing Specialist](https://deftridge.com/team/dina-cohen/)

- [Marie Leclerc Payments and Billing Specialist](https://deftridge.com/team/marie-leclerc/)

- [Oskar Bergstrom Payments and Billing Specialist](https://deftridge.com/team/oskar-bergstrom/)

- [Patrick Dunne Payments and Billing Specialist](https://deftridge.com/team/patrick-dunne/)

- [Ruth Nakamura Payments and Billing Specialist](https://deftridge.com/team/ruth-nakamura/)

[Meet all 120 people](https://deftridge.com/team/#dt-dir)

## Common questions

How to check that a message is really from Stefan, what a recruiter can and cannot ask for, and what happens after the first e-mail: [Verify a sender](https://deftridge.com/verify/), [Our promise](https://deftridge.com/our-promise/) and [How it works](https://deftridge.com/how-it-works/).

## Useful next steps

- [Meet the team](https://deftridge.com/team/)

- [Verify a sender](https://deftridge.com/verify/)

- [Our promise](https://deftridge.com/our-promise/)

- [Free Rate Report](https://deftridge.com/rate-report/)
