# IONOS - **Answer**: 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. - **Window days**: 365 - **Postings analysed**: 65 - **Open postings**: 33 - **Technologies in use**: 138 - **Modernity score**: 82 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 51740 - **Name**: IONOS - **Domain**: ionos.com - **Url**: ## Technologies - **Linux** — Layer: cloud; Postings: 26; Share: 0.4; Required: 23; Open postings: 18; First seen: 2025-06-13 - **Python** — Layer: languages; Postings: 25; Share: 0.3846; Required: 22; Open postings: 10; First seen: 2025-06-13 - **Kubernetes** — Layer: cloud; Postings: 20; Share: 0.3077; Required: 18; Open postings: 12; First seen: 2025-06-13 - **CI/CD** — Layer: practices; Postings: 15; Share: 0.2308; Required: 12; Open postings: 10; First seen: 2025-06-13 - **Claude** — Layer: ai; Postings: 11; Share: 0.1692; Required: 10; Open postings: 6; First seen: 2026-07-08 - **Grafana** — Layer: cloud; Postings: 10; Share: 0.1538; Required: 10; Open postings: 4; First seen: 2025-09-23 - **Rest API** — Layer: tools; Postings: 10; Share: 0.1538; Required: 9; Open postings: 3; First seen: 2026-04-27 - **DNS** — Layer: practices; Postings: 10; Share: 0.1538; Required: 8; Open postings: 6; First seen: 2025-09-23 - **Docker** — Layer: tools; Postings: 10; Share: 0.1538; Required: 8; Open postings: 9; First seen: 2025-09-23 - **Bash** — Layer: languages; Postings: 9; Share: 0.1385; Required: 9; Open postings: 3; First seen: 2025-11-06 - **Ansible** — Layer: tools; Postings: 9; Share: 0.1385; Required: 7; Open postings: 7; First seen: 2025-09-23 - **LLM** — Layer: ai; Postings: 8; Share: 0.1231; Required: 8; Open postings: 6; First seen: 2026-02-24 - **AI Agents** — Layer: practices; Postings: 7; Share: 0.1077; Required: 7; Open postings: 3; First seen: 2026-06-22 - **Git** — Layer: tools; Postings: 7; Share: 0.1077; Required: 7; Open postings: 4; First seen: 2026-09-02 - **Go** — Layer: languages; Postings: 7; Share: 0.1077; Required: 7; Open postings: 2; First seen: 2026-08-21 - **Prometheus** — Layer: tools; Postings: 7; Share: 0.1077; Required: 7; Open postings: 4; First seen: 2025-11-06 - **SQL** — Layer: languages; Postings: 7; Share: 0.1077; Required: 5; Open postings: 2; First seen: 2025-12-18 - **BGP** — Layer: practices; Postings: 6; Share: 0.0923; Required: 6; Open postings: 6; First seen: 2025-09-23 - **ArgoCD** — Layer: tools; Postings: 5; Share: 0.0769; Required: 5; Open postings: 3; First seen: 2025-06-13 - **ChatGPT** — Layer: ai; Postings: 5; Share: 0.0769; Required: 5; Open postings: 3; First seen: 2026-08-24 - **Java** — Layer: languages; Postings: 5; Share: 0.0769; Required: 5; Open postings: 1; First seen: 2025-09-23 - **Looker** — Layer: cloud; Postings: 5; Share: 0.0769; Required: 5; Open postings: 3; First seen: 2025-12-18 - **QEMU** — Layer: tools; Postings: 5; Share: 0.0769; Required: 5; Open postings: 5; First seen: 2026-09-04 - **Terraform** — Layer: tools; Postings: 5; Share: 0.0769; Required: 5; Open postings: 1; First seen: 2025-06-13 - **Power BI** — Layer: cloud; Postings: 5; Share: 0.0769; Required: 4; Open postings: 1; First seen: 2026-04-27 - **Microsoft Excel** — Layer: tools; Postings: 5; Share: 0.0769; Required: 2; Open postings: 3; First seen: 2026-07-08 - **C++** — Layer: languages; Postings: 4; Share: 0.0615; Required: 4; Open postings: 3; First seen: 2026-08-19 - **GitHub Actions** — Layer: cloud; Postings: 4; Share: 0.0615; Required: 4; Open postings: 1; First seen: 2026-08-21 - **GitOps** — Layer: practices; Postings: 4; Share: 0.0615; Required: 4; Open postings: 3; First seen: 2026-10-19 - **Tableau** — Layer: cloud; Postings: 4; Share: 0.0615; Required: 4; Open postings: 3; First seen: 2025-12-18 - **Human-in-the-Loop** — Layer: practices; Postings: 4; Share: 0.0615; Required: 3; Open postings: 3; First seen: 2026-07-22 - **TCP/IP** — Layer: practices; Postings: 4; Share: 0.0615; Required: 3; Open postings: 3; First seen: 2026-09-10 - **JavaScript** — Layer: languages; Postings: 4; Share: 0.0615; Required: 2; Open postings: 0; First seen: 2026-08-17 - **GitLab** — Layer: cloud; Postings: 4; Share: 0.0615; Required: 1; Open postings: 3; First seen: 2026-08-19 - **Agentic Workflows** — Layer: practices; Postings: 3; Share: 0.0462; Required: 3; Open postings: 1; First seen: 2026-02-24 - **ClickHouse** — Layer: data; Postings: 3; Share: 0.0462; Required: 3; Open postings: 3; First seen: 2025-09-23 - **ElasticSearch** — Layer: data; Postings: 3; Share: 0.0462; Required: 3; Open postings: 2; First seen: 2026-02-24 - **GitLab CI** — Layer: cloud; Postings: 3; Share: 0.0462; Required: 3; Open postings: 1; First seen: 2026-08-21 - **Helm** — Layer: tools; Postings: 3; Share: 0.0462; Required: 3; Open postings: 0; First seen: 2026-08-21 - **Incident Management** — Layer: practices; Postings: 3; Share: 0.0462; Required: 3; Open postings: 3; First seen: 2026-10-02 - **KVM** — Layer: tools; Postings: 3; Share: 0.0462; Required: 3; Open postings: 3; First seen: 2026-09-04 - **LLM Guardrails** — Layer: practices; Postings: 3; Share: 0.0462; Required: 3; Open postings: 3; First seen: 2026-10-01 - **PHP** — Layer: languages; Postings: 3; Share: 0.0462; Required: 2; Open postings: 1; First seen: 2026-08-24 - **PKI** — Layer: practices; Postings: 3; Share: 0.0462; Required: 2; Open postings: 1; First seen: 2026-09-04 - **React.js** — Layer: frameworks; Postings: 3; Share: 0.0462; Required: 2; Open postings: 0; First seen: 2026-08-19 - **TypeScript** — Layer: languages; Postings: 3; Share: 0.0462; Required: 1; Open postings: 1; First seen: 2026-08-19 - **Apache Kafka** — Layer: cloud; Postings: 2; Share: 0.0308; Required: 2; Open postings: 1; First seen: 2025-09-23 - **Azure** — Layer: cloud; Postings: 2; Share: 0.0308; Required: 2; Open postings: 0; First seen: 2026-04-27 - **Debian** — Layer: cloud; Postings: 2; Share: 0.0308; Required: 2; Open postings: 2; First seen: 2025-09-23 - **FastAPI** — Layer: frameworks; Postings: 2; Share: 0.0308; Required: 2; Open postings: 0; First seen: 2026-02-24 - … 88 more in the JSON form ## Changes ### First appeared - **eBPF** — First seen: 2026-10-20 - **GitOps** — First seen: 2026-10-19 - **Spring Boot** — First seen: 2026-10-12 - **Incident Management** — First seen: 2026-10-02 - **LLM Guardrails** — First seen: 2026-10-01 - **Function Calling** — First seen: 2026-10-01 - **Loki** — First seen: 2026-09-28 - **TCP/IP** — First seen: 2026-09-10 ### Not seen 180d - **MS SQL** — Last seen: 2026-04-27 - **SSAS** — Last seen: 2026-04-27 - **FastAPI** — Last seen: 2026-04-27 ## Similar stacks - [GEICO](https://alion.io/company/geico-3/technologies) — Shared technologies: 106 - [FactSet](https://alion.io/company/factset/technologies) — Shared technologies: 102 - [Miratech](https://alion.io/company/miratech/technologies) — Shared technologies: 97 - [Akamai](https://alion.io/company/akamai/technologies) — Shared technologies: 107 - [AT&T](https://alion.io/company/att-com/technologies) — Shared technologies: 99 - [Finastra](https://alion.io/company/finastra/technologies) — Shared technologies: 97 - [NetApp](https://alion.io/company/netapp/technologies) — Shared technologies: 98 - [LogicMonitor](https://alion.io/company/remotely/technologies) — Shared technologies: 97 --- [Page](https://alion.io/company/ionos/technologies) · [JSON](https://alion.io/company/ionos/technologies.json) Source: Alion (alion.io), 2026-11-12. 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