--- title: "Which companies in Switzerland use C#?" description: "Microsoft, Rocken®, Siemens, Noir and more. 220 companies hiring in Switzerland whose own job postings show they use C#: 28 confirmed, 192 likely." canonical: https://jobspipe.dev/technologies/c#/ch --- # Which companies in Switzerland use C#? > Microsoft, Rocken®, Siemens, Noir and more. 220 companies hiring in Switzerland whose own job postings show they use C#: 28 confirmed, 192 likely. Updated daily from live postings. **Canonical URL:** https://jobspipe.dev/technologies/c%23/ch 220 companies with postings in Switzerland use C# according to their own job postings: 28 confirmed and 192 likely. The 14 listed below are confirmed users with at least 2 postings and a verified website; the rest are counted here but not named. - **Confirmed companies:** 28 - **Likely companies:** 192 - **Category:** Programming languages - **As of:** 25 Sep 2026 ## Companies using C# | # | Company | Postings naming it | Last seen | |---|---|---|---| | 1 | [Microsoft](https://jobspipe.dev/hiring/microsoft.com) | 639 | 8 Oct 2026 | | 2 | [Rocken®](https://jobspipe.dev/hiring/rocken.jobs) | 131 | 8 Oct 2026 | | 3 | [Siemens](https://jobspipe.dev/hiring/siemens.com) | 117 | 8 Oct 2026 | | 4 | [Noir](https://jobspipe.dev/hiring/noirconsulting.co.uk) | 37 | 8 Oct 2026 | | 5 | [SGI](https://jobspipe.dev/hiring/sourcegroupinternational.com) | 14 | 5 Oct 2026 | | 6 | [OneStream Software](https://jobspipe.dev/hiring/onestream.com) | 13 | 1 Oct 2026 | | 7 | [Code Compass 🧭](https://jobspipe.dev/hiring/codecompass.co.uk) | 12 | 2 Oct 2026 | | 8 | [RM Group (Switzerland)](https://jobspipe.dev/hiring/rmgroup.ch) | 7 | 2 Oct 2026 | | 9 | [CSEM](https://jobspipe.dev/hiring/csem.ch) | 3 | 28 Sep 2026 | | 10 | [Jems Group](https://jobspipe.dev/hiring/jems-group.com) | 3 | 28 Sep 2026 | | 11 | [Nicoll Curtin](https://jobspipe.dev/hiring/nicollcurtin.com) | 3 | 25 Sep 2026 | | 12 | [ACTEMIUM](https://jobspipe.dev/hiring/actemium.com) | 2 | 3 Oct 2026 | | 13 | [API SA](https://jobspipe.dev/hiring/api-masuperette.fr) | 2 | 30 Sep 2026 | | 14 | [HARTING Technology Group](https://jobspipe.dev/hiring/harting.com) | 2 | 1 Oct 2026 | ## By country - [United States](https://jobspipe.dev/technologies/c%23/us) - [India](https://jobspipe.dev/technologies/c%23/in) - [Japan](https://jobspipe.dev/technologies/c%23/jp) - [Canada](https://jobspipe.dev/technologies/c%23/ca) - [United Kingdom](https://jobspipe.dev/technologies/c%23/gb) - [Brazil](https://jobspipe.dev/technologies/c%23/br) - [Germany](https://jobspipe.dev/technologies/c%23/de) - [France](https://jobspipe.dev/technologies/c%23/fr) - [Mexico](https://jobspipe.dev/technologies/c%23/mx) - [Singapore](https://jobspipe.dev/technologies/c%23/sg) Worldwide: [Which companies use C#?](https://jobspipe.dev/technologies/c%23) ## FAQ ### How many companies use C# in Switzerland? 220 companies in Switzerland have job postings that show they use C#, as of 25 Sep 2026. 28 are confirmed and 192 are likely. ### Which companies use C# in Switzerland? Microsoft, Rocken®, Siemens, Noir, SGI are among the confirmed C# users with the most postings naming it in Switzerland. The full list on this page names 14 companies. ### How does JobsPipe know a company uses C#? From the company's own job postings. Each posting is read for the technologies it names, and every company and technology pair is graded: confirmed when two independent checks agree on C# in at least one posting, likely when it is a stated requirement or appears in two separate postings. A single passing mention is not counted here. It is evidence of a team working with C#, not a purchase record. ## Reproduce ```bash curl -X POST https://api.jobspipe.dev/v1/companies/search -H "Authorization: Bearer $JOBSPIPE_API_KEY" -H "Content-Type: application/json" -d '{"company_technology_slug_or":["c#"],"tier_min":"confirmed","company_country_code_or":["CH"],"limit":25}' ``` --- Try it with no key: `curl -d '{"limit":3}' https://api.jobspipe.dev/v1/sandbox/jobs/search`. AI agents: the full machine-readable index of this site is https://jobspipe.dev/llms.txt?src=md-twin - API quickstart, MCP server, pricing. Free key (1,000 jobs to start): https://jobspipe.dev/signup