What Does 1&1 Internet Development Do?

Total employees458
HeadquartersKarlsruhe
Founded2007

1&1 Internet Development GmbH is a significant software engineering and product development entity associated with IONOS, one of Europe's largest web hosting and cloud service providers. Headquartered in Karlsruhe, Germany, 1&1 Internet Development focuses on creating and enhancing the technologies that power IONOS's diverse portfolio of services, including web hosting, domain registration, website builders, e-commerce solutions, and cloud infrastructure. It plays a crucial role in driving innovation and maintaining the technical excellence of IONOS's offerings for millions of customers worldwide.

Where Is 1&1 Internet Development's Headquarters?

1&1 Internet Development office1&1 Internet Development office1&1 Internet Development office1&1 Internet Development office
*Images sourced via web search. Rights belong to original owners

HQ Function

Primary software engineering and product development center for IONOS, focusing on web hosting technologies, cloud services, and internet applications.

Notable Features:

Modern tech campus located in a key German technology hub, designed to foster agile development and innovation. Includes collaborative workspaces, development labs, and employee-focused amenities.

Work Culture:

An engineering-driven culture that emphasizes agile methodologies, innovation, continuous improvement, and collaboration among development teams. There's a strong focus on technical expertise and delivering high-quality digital products.

HQ Significance:

Serves as a critical R&D and engineering backbone for IONOS, responsible for developing and maintaining core products and services offered to a global customer base. Its location in Karlsruhe leverages a strong local tech talent pool.

Values Reflected in HQ: Innovation, technical excellence, customer-centric product development, agility, and collaborative teamwork.

Location:

While core development for 1&1 Internet Development is heavily concentrated in Germany (Karlsruhe, Montabaur, Berlin), its work supports the global operations of its parent company, IONOS. IONOS serves customers in numerous countries, operates data centers across Europe and North America, and maintains international sales and support offices. Distributed development teams, including those in locations like Romania, contribute to a unified global platform for web hosting, domain registration, cloud solutions, and other digital services.

Street Address:

BrauerstraĂźe 48

City:

Karlsruhe

State/Province:

Baden-WĂĽrttemberg

Country:

Germany

Where Else Does 1&1 Internet Development Operate Around the World?

Montabaur, Rhineland-Palatinate, Germany

Address: IONOS SE, Elgendorfer Str. 57, 56410 Montabaur, Germany

Central hub for German and European operations, strategic R&D, and overall company direction for IONOS.

Berlin, Germany

Address: IONOS SE, Greifswalder Str. 207, 10405 Berlin, Germany

Key R&D center in one of Europe's leading tech cities, attracting specialized talent for advanced technology projects and product development.

Bucharest, Romania

Address: IONOS Romania S.R.L., AFI Park Floreasca, Building A, 2nd floor, 169A Floreasca Street, District 1, Bucharest, Romania

Supports global product development initiatives and enhances IONOS's engineering capabilities by tapping into the skilled tech workforce in Eastern Europe.

Buying Intent Signals for 1&1 Internet Development

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Who's Leading 1&1 Internet Development? Meet the Executive Team

As of April 2025, 1&1 Internet Development' leadership includes:

Achim Weiss - Chief Executive Officer (CEO), IONOS Group SE
HĂĽseyin Dogan - Chief Operating Officer (COO), IONOS Group SE
Britta Schmidt - Chief Financial Officer (CFO), IONOS Group SE
Arthur Mai - Chief Marketing Officer (CMO), IONOS Group SE
Markus Noga - Chief Technology Officer (CTO), IONOS Group SE

Who's Investing in 1&1 Internet Development?

1&1 Internet Development has been backed by several prominent investors over the years, including:

United Internet AG (Majority Shareholder)
Publicly Traded on Frankfurt Stock Exchange (IONOS Group SE, Ticker: IOS)

What Leadership Changes Has 1&1 Internet Development Seen Recently?

Hire1
Exits1

IONOS has focused on strengthening its leadership for continued growth, particularly following its IPO. Key changes in the last year include a new CFO appointment.

Departures

Christian Böing, Christian Böing departed from his role as CFO of IONOS Group SE.

New Appointments:

Britta Schmidt, Britta Schmidt was appointed as the new CFO for IONOS Group SE.

What Technology (Tech Stack) Is Used by1&1 Internet Development?

Discover the tools 1&1 Internet Development uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

1&1 Internet Development Email Formats and Examples

Employees at 1&1 Internet Development, as part of IONOS, generally use standardized corporate email formats. The most common pattern observed for IONOS employees is [first].[last]@ionos.com.

[first].[last]@ionos.com

Format

achim.weiss@ionos.com

Example

80%

Success rate

What's the Latest News About 1&1 Internet Development?

IONOS Group Newsroom • May 8, 2024

IONOS Continues Profitable Growth in Q1 2024

IONOS Group SE announced sustained revenue growth and enhanced profitability for the first quarter of 2024. This performance was driven by strong results in its Cloud Solutions and Web Presence & Applications segments, leading the company to reaffirm its financial outlook for the full year....more

IONOS Group Newsroom • April 24, 2024

IONOS and Partnera Collaborate to Expand Cloud and AI Services for SMBs

IONOS revealed a strategic collaboration with Partnera aimed at leveraging artificial intelligence and cloud technologies to provide improved services and support for small and medium-sized businesses (SMBs), focusing on facilitating their digitalization and growth....more

IONOS News • March 7, 2024

IONOS Introduces New AI Features to Help SMBs Grow Their Business

IONOS launched new AI-powered tools, including an AI Site Generator and AI-driven text creation functionalities within its website builder. These features are designed to assist SMBs in efficiently building and optimizing their online presence and marketing activities....more

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