1&1
1und1.de
Actively hiring
Broadband
Telecommunications
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Overview
1&1 is a Montabaur telecommunications company that sells mobile and broadband services to German consumers and small businesses. After years as a virtual operator it has been building its own fifth generation mobile network based on open radio access technology. The company is part of the United Internet group and serves millions of subscribers, hiring DevOps engineers, data scientists, product and sales managers, system administrators, trainees and working students in Montabaur, Karlsruhe, Frankfurt and Duesseldorf.
News
Deutschlands Preisfavoriten: Wo die Deutschen am ehesten Geld ausgeben
Die Konsumstimmung ist schwach, die Sparneigung hoch. Trotzdem gelten manche Anbieter unter Verbrauchern noch als preiswert.
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Report
1&1-Netz: Noch außer Konkurrenz aber mit unserem Benchmark getestet
Durch die Nutzer-Migration von Telefónica zu Vodafone und den nur langsam voranschreitenden Netzausbau können wir zur Qualität des 1&1-Netzes nur eine Sonderbetrachtung bieten. Die erfolgt aber nach allen Regeln unseres bewährten Benchmarks.
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vServer Günstig Mieten VPS ab 3€ / M. IONOS
Virtuelle Server (VPS Hosting) Schnell und einfach günstig mieten NVMe-SSD-Speicher 30 Tage kostenlos testen
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Report
Onlineshop erstellen Eigenen Webshop einrichten mit IONOS
Mit dem IONOS MyWebsite Shop erstellen Sie Ihren eigenen Onlineshop - Hosting inklusive. Richten Sie Ihren Webshop noch heute ein!
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HiDrive Next Cloud Speicher Daten online sichern IONOS
Sicherheit, Privatsphäre und Kontrolle über Ihre Daten Mit der HiDrive Next speichern Sie Ihre Daten online & können sie von jedem Endgerät abrufen!
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Eigene E-Mail-Domain kaufen E-Mail-Adresse ab 1,50 € IONOS
Erstellen Sie Ihre eigene E-Mail-Adresse für Privatpersonen oder Firmen mit passender Domain: Wunsch Adresse wählen und los geht's.
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Website erstellen lassen durch IONOS Design-Experten
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Report
Tech stack
Technologies named in job postings at 1&1 over the last 12 months, by layer, with the share of postings for each.
Technologies in use
65
Postings analysed
28
Stack modernity
86/100AI adopter
Languages
Python32%
SQL29%
Java21%
JavaScript14%
Frameworks & libraries
Spring Boot7%
ASP.NET Core4%
Bootstrap4%
LiteLLM4%
Databases
SAP BW7%
PostgreSQL7%
ElasticSearch4%
MySQL4%
Cloud & platforms
Kubernetes14%
Linux11%
Bitbucket7%
Grafana7%
AI & ML
LLM7%
ChatGPT4%
Gemini4%
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Full 1&1 tech stack
65 technologies · by team · pay by technology · changes · similar stacks
Salary insights
Compensation ranges based on this company's open jobs
Median
$38k
Typical range
$38k
Open positions
3
3
Jobs
Intern
100%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Intern | 3 | $38k | $38k |
Highest paying role
Werkstudent (w/m/d) - Infrastruktur Einkauf
$38k
Normalized to USD per year
People
Ralph Dommermuth
Vorstand
Christian Bockelt
Geschäftsführer
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data
Growth
Hiring Momentum
51/100
Stable
Open positions
71
3 opened / 4 closed in 30 days
Median time-to-fill
15 days
faster than 59% of the market
ATS activity
Every ~5 hours
Today
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Early Careers
35% ▲
Finance
6% ▲
Marketing
6% ▲
AI/ML
5% ▲
DevOps
5% ▲
Legal
5% ▲
Actively hiring for Early Careers (+23 in 30 days)
Offices
Where the company hires and what each office is for
Cities
8
Hiring now
8
Countries
1
Busiest office
Montabaur
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Headquarters
Builds here
Office with open vacancies
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Montabaur
Germany
HQ
24 open roles 26 posted in 90 days 4% engineering 200-500 est. staff
hires for Early Careers, Finance, Marketing
Elgendorfer Str. 57, Montabaur, Rheinland-Pfalz, 56410, DE
Karlsruhe
Germany
Regional office
22 open roles 25 posted in 90 days 32% engineering 200-500 est. staff $38k Avg Salary
hires for Early Careers, Enterprise Apps, DevOps
Frankfurt am Main
Germany
Regional office
7 open roles 8 posted in 90 days 29% engineering 50-200 est. staff
hires for AI/ML, Legal, Finance
Düsseldorf
Germany
Regional office
7 open roles 7 posted in 90 days 50-200 est. staff $38k Avg Salary
hires for Early Careers, Sales, Management
Krefeld
Germany
Regional office
7 open roles 7 posted in 90 days 57% engineering 50-200 est. staff
hires for Management, AI/ML, Data Science
Munich
Germany
Sales office
3 open roles 5 posted in 90 days 10-50 est. staff
hires for Marketing, Solutions
Flensburg
Germany
2 open roles 2 posted in 90 days 50% engineering 10-50 est. staff
hires for Backend, Early Careers
Berlin
Germany
1 open roles 2 posted in 90 days 10-50 est. staff
hires for Public Policy
Jobs
≈ $59k – $117k per year (Estimated) • In office • Montabaur
Python
JavaScript
Java
Spring Boot
Databases
PostgreSQL
DevOps
Helm
Istio
Prometheus
CI/CD
Kubernetes
Grafana
Service Mesh
Apply
≈ $58k – $120k per year (Estimated) • In office • Karlsruhe
SQL
Power BI
Microsoft Excel
Apply
≈ $62k – $124k per year (Estimated) • In office • Karlsruhe
Python
SQL
Rest API
SOAP
Apply
≈ $53k – $104k per year (Estimated) • In office • Krefeld
PowerShell
Windows Server
Hyper-V
Windows
DNS
DHCP
Cybersecurity
Active Directory
Apply
Apply
≈ $71k – $120k per year (Estimated) • In office • Karlsruhe
Python
ElasticSearch
DevOps
Ansible
GitHub
Linux
Cybersecurity
LDAP
Apply
≈ $75k – $160k per year (Estimated) • In office • Munich
JavaScript
Apply
≈ $80k – $182k per year (Estimated) • In office • Krefeld
Python
PHP
SQL
Bash
Perl
MySQL
DevOps
Prometheus
Grafana
Linux
Apply
≈ $63k – $120k per year (Estimated) • In office • High School Diploma • Flensburg
Java
PHP
SQL
C#
Apply
Apply
≈ $72k – $166k per year (Estimated) • In office • Frankfurt am Main
Python
Java
Spring Boot
Databases
PostgreSQL
Apache Kafka
AI/ML
Claude Code
Model Context Protocol
Embeddings
LiteLLM
LLM
RAG
Human-in-the-Loop
DevOps
OpenTelemetry
Prometheus
Git
Docker
Kubernetes
Bitbucket
Management
Confluence
Jira
Apply
≈ $72k – $158k per year (Estimated) • In office • Montabaur
Model Context Protocol
Human-in-the-Loop
DevOps
CI/CD
Git
Bitbucket
Management
Confluence
Jira
Apply