What technologies does doppel::s GmbH use?

doppel::s GmbH uses Nginx. View their full technology stack — including all 1 detected tools — on StackWho.

Who is the CEO of doppel::s GmbH?

Jannis Schafer is the CEO at doppel::s GmbH. Get verified contact information on StackWho.

Where is doppel::s GmbH located?

doppel::s GmbH is based in Cologne, North Rhine-Westphalia, Germany.

doppel::s GmbH

doppel-s.com

information technology & services

doppel-s.com

Cologne, North Rhine-Westphalia, Germany

1-10 employees

LinkedIn Profile

About doppel::s GmbH

technology, information & internet, information technology & services

doppel::s GmbH's Tech Stack

Backend

Nginx

Decision Makers at doppel::s GmbH

1 contact

Jannis Schafer

CEO

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1 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

doppel::s GmbH is a technology company. Software vendors, dev tools, and SaaS platforms find technology companies like this highly receptive. Use StackWho to identify the right decision-maker (CTO, VP Eng, or Head of Product) and reach out with a stack-specific pitch.

doppel::s GmbH's Position in the StackWho Database

• doppel::s GmbH is 1 of 194,140 information technology & services companies tracked in StackWho.
• 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
• 3,954 companies in North Rhine-Westphalia are in the StackWho database.
• 97,391 information technology & services companies are in the 1-10 employee range (same size as doppel::s GmbH).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does doppel::s GmbH use?

doppel::s GmbH uses Nginx. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at doppel::s GmbH?

StackWho has verified email addresses for 1 decision maker at doppel::s GmbH. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach doppel::s GmbH directly for sales, recruiting, or partnerships.

What industry is doppel::s GmbH in?

doppel::s GmbH operates in the information technology & services industry, headquartered in Cologne, North Rhine-Westphalia, Germany. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export doppel::s GmbH's contact data?

Yes. StackWho Pro members can export decision maker contact data for doppel::s GmbH and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.