IONOS tech stack
IONOS builds mostly with Python, Bash, Go, SQL. Its stack also includes Linux, Kubernetes, ClickHouse, ElasticSearch. Linux is named in 26 of the 65 job postings IONOS published in the last 12 months (40%). Counted by Alion from the job postings of IONOS, updated Nov 12, 2026.
What programming languages does IONOS use?
Python is named in 38% of job postings at IONOS, followed by Bash (14%), Go (11%), SQL (11%).
Show all (11)
What frameworks and libraries does IONOS use?
React.js is named in 5% of job postings at IONOS, followed by FastAPI (3%), Spring Boot (3%), Angular (2%).
React.js
3 5%
FastAPI
2 3%
Spring Boot
2 3%
Angular
1 2%
Asyncio
1 2%
LangChain
1 2%
LangGraph
1 2%
LlamaIndex
1 2%
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What databases does IONOS use?
ClickHouse is named in 5% of job postings at IONOS, followed by ElasticSearch (5%), MS SQL (3%), Azure SQL Database (2%).
ClickHouse
3 5%
ElasticSearch
3 5%
MS SQL
2 3%
Azure SQL Database
1 2%
Delta Lake
1 2%
Qdrant
1 2%
Redis
1 2%
Weaviate
1 2%
Show all (9)
What cloud and platforms does IONOS use?
Linux is named in 40% of job postings at IONOS, followed by Kubernetes (31%), Grafana (15%), Looker (8%).
Kubernetes
20 31%
Grafana
10 15%
Power BI
5 8%
GitHub Actions
4 6%
Tableau
4 6%
GitLab
4 6%
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What developer tools does IONOS use?
Rest API is named in 15% of job postings at IONOS, followed by Docker (15%), Ansible (14%), Git (11%).
Rest API
10 15%
Docker
10 15%
Ansible
9 14%
Git
7 11%
Prometheus
7 11%
ArgoCD
5 8%
QEMU
5 8%
Terraform
5 8%
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What AI and ML technologies does IONOS use?
Claude is named in 17% of job postings at IONOS, followed by LLM (12%), ChatGPT (8%), DeepSeek (2%).
Which engineering practices does IONOS ask for?
CI/CD is named in 23% of job postings at IONOS, followed by DNS (15%), AI Agents (11%), BGP (9%).
CI/CD
15 23%
AI Agents
7 11%
GitOps
4 6%
Show all (28)
What does each IONOS team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Security
10 postingsBackend
8 postingsDevOps
8 postingsEarly Careers
7 postingsMarketing
5 postingsHow does your stack fit IONOS?
How is the IONOS stack changing?
Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.
How modern is the IONOS stack?
IONOS scores 82 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 6; legacy ones: 0.
How common is the IONOS stack in its industry?
Share of the 574 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like IONOS
Questions about the IONOS tech stack
What programming languages does IONOS use?
The languages named in IONOS job postings are Python (38%), Bash (14%), Go (11%), SQL (11%), Java (8%), as a share of the 65 postings of the last 12 months.
Does IONOS use React.js?
Yes. React.js is named in 3 of 65 job postings (5%) and required in 2 of them.
What cloud and platforms does IONOS use?
The cloud and platforms named in IONOS job postings are Linux (26), Kubernetes (20), Grafana (10) (postings in brackets).
What skills do you need for a Security job at IONOS?
Security postings at IONOS most often require LLM (3), Linux (3), Python (3), Java (2), out of 10 postings in the last 12 months.
Is the IONOS tech stack changing?
Yes. eBPF, GitOps, Spring Boot, Incident Management first appeared in IONOS job postings in the last six months.
How modern is the IONOS tech stack?
IONOS scores 82 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 6; legacy ones: 0.
How does Alion know the IONOS tech stack?
Alion reads every job posting IONOS publishes and tags the technologies each one names. The figures on this page count the 65 postings of the last 12 months and were updated on Nov 12, 2026.
Method and citation
Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count
Alion, "IONOS tech stack: 138 technologies from 65 job postings", as of Nov 12, 2026. https://alion.io/company/ionos/technologies