---
title: "Which companies in United States use FastAPI?"
description: "Torentify, EXL, Bain & Company, Jack & Jill and more. 2,506 companies hiring in United States whose own job postings show they use FastAPI: 627 confirmed"
canonical: https://jobspipe.dev/technologies/fastapi/us
---

# Which companies in United States use FastAPI?

> Torentify, EXL, Bain & Company, Jack & Jill and more. 2,506 companies hiring in United States whose own job postings show they use FastAPI: 627 confirmed, 1,879 likely. Updated daily from live postings.

**Canonical URL:** https://jobspipe.dev/technologies/fastapi/us

2,506 companies with postings in United States use FastAPI according to their own job postings: 627 confirmed and 1,879 likely. The 100 listed below are confirmed users with at least 2 postings and a verified website; the rest are counted here but not named.

- **Confirmed companies:** 627
- **Likely companies:** 1,879
- **Category:** Web frameworks
- **As of:** 25 Sep 2026

## Companies using FastAPI

| # | Company | Postings naming it | Last seen |
|---|---|---|---|
| 1 | [Torentify](https://jobspipe.dev/hiring/torentify.com) | 62 | 6 Nov 2026 |
| 2 | [EXL](https://jobspipe.dev/hiring/exlservice.com) | 60 | 6 Nov 2026 |
| 3 | [Bain & Company](https://jobspipe.dev/hiring/bain.com) | 54 | 2 Nov 2026 |
| 4 | [Jack & Jill](https://jobspipe.dev/hiring/jackandjill.ai) | 49 | 30 Sep 2026 |
| 5 | [Klaviyo](https://jobspipe.dev/hiring/klaviyo.com) | 37 | 31 Oct 2026 |
| 6 | [Quantiphi](https://jobspipe.dev/hiring/quantiphi.com) | 30 | 5 Nov 2026 |
| 7 | [Juniper Square](https://jobspipe.dev/hiring/junipersquare.com) | 28 | 5 Nov 2026 |
| 8 | [Netrolynx AI](https://jobspipe.dev/hiring/bestjobtool.com) | 25 | 6 Nov 2026 |
| 9 | [General Dynamics Information Technology](https://jobspipe.dev/hiring/gdit.com) | 22 | 4 Nov 2026 |
| 10 | [Commure](https://jobspipe.dev/hiring/commure.com) | 20 | 3 Nov 2026 |
| 11 | [S&P Global](https://jobspipe.dev/hiring/spglobal.com) | 20 | 5 Nov 2026 |
| 12 | [Lorven Technologies Inc.](https://jobspipe.dev/hiring/lorventech.com) | 19 | 4 Nov 2026 |
| 13 | [OpenAI](https://jobspipe.dev/hiring/openai.com) | 19 | 2 Nov 2026 |
| 14 | [LiteLLM](https://jobspipe.dev/hiring/litellm.ai) | 18 | 14 Aug 2026 |
| 15 | [MeeBoss](https://jobspipe.dev/hiring/meeboss.com) | 16 | 6 Nov 2026 |
| 16 | [turing](https://jobspipe.dev/hiring/turing.com) | 16 | 26 Oct 2026 |
| 17 | [Accenture Federal Services](https://jobspipe.dev/hiring/accenturefederal.com) | 15 | 30 Oct 2026 |
| 18 | [FIS](https://jobspipe.dev/hiring/fisvi.com) | 15 | 5 Nov 2026 |
| 19 | [Mphasis](https://jobspipe.dev/hiring/mphasis.com) | 15 | 30 Oct 2026 |
| 20 | [Newcode.ai](https://jobspipe.dev/hiring/newcode.ai) | 15 | 3 Nov 2026 |
| 21 | [The Amatriot Group](https://jobspipe.dev/hiring/amatriot.com) | 15 | 28 Oct 2026 |
| 22 | [Fundamental](https://jobspipe.dev/hiring/fundltc.com) | 13 | 20 Oct 2026 |
| 23 | [Jobright.ai](https://jobspipe.dev/hiring/jobright.ai) | 13 | 28 Sep 2026 |
| 24 | [PhysicsX](https://jobspipe.dev/hiring/physicsx.ai) | 13 | 6 Nov 2026 |
| 25 | [Proofpoint](https://jobspipe.dev/hiring/proofpoint.com) | 13 | 20 Oct 2026 |
| 26 | [SID Global Solutions](https://jobspipe.dev/hiring/sidgs.com) | 13 | 5 Nov 2026 |
| 27 | [THEMESOFT](https://jobspipe.dev/hiring/themesoft.com) | 13 | 5 Nov 2026 |
| 28 | [Visionary Innovative Technology Solutions LLC](https://jobspipe.dev/hiring/vitsus.com) | 13 | 4 Nov 2026 |
| 29 | [Damcosoft](https://jobspipe.dev/hiring/damcosoft.com) | 12 | 13 Oct 2026 |
| 30 | [Reacher](https://jobspipe.dev/hiring/reacherapp.com) | 12 | 16 Mar 2026 |
| 31 | [DualEntry](https://jobspipe.dev/hiring/dualentry.com) | 11 | 29 Oct 2026 |
| 32 | [Rackner](https://jobspipe.dev/hiring/rackner.com) | 11 | 4 Nov 2026 |
| 33 | [SeatGeek](https://jobspipe.dev/hiring/seatgeek.com) | 11 | 28 Oct 2026 |
| 34 | [Extreme Networks](https://jobspipe.dev/hiring/extremenetworks.com) | 10 | 14 Oct 2026 |
| 35 | [Infleqtion](https://jobspipe.dev/hiring/infleqtion.com) | 10 | 2 Nov 2026 |
| 36 | [Ro](https://jobspipe.dev/hiring/ro.co) | 10 | 1 Nov 2026 |
| 37 | [Workato](https://jobspipe.dev/hiring/workato.com) | 10 | 6 Nov 2026 |
| 38 | [Zifo](https://jobspipe.dev/hiring/zifo.com) | 10 | 30 Oct 2026 |
| 39 | [ZS](https://jobspipe.dev/hiring/zs.com) | 10 | 29 Oct 2026 |
| 40 | [AceStack](https://jobspipe.dev/hiring/acestackllp.com) | 9 | 5 Nov 2026 |
| 41 | [Edison Scientific](https://jobspipe.dev/hiring/edisonscientific.com) | 9 | 30 Sep 2026 |
| 42 | [Paramount](https://jobspipe.dev/hiring/paramount.com) | 9 | 30 Oct 2026 |
| 43 | [Prodapt](https://jobspipe.dev/hiring/prodapt.com) | 9 | 1 Nov 2026 |
| 44 | [Snorkel AI](https://jobspipe.dev/hiring/snorkel.ai) | 9 | 27 Oct 2026 |
| 45 | [AmeriSave Mortgage](https://jobspipe.dev/hiring/amerisave.com) | 8 | 19 Oct 2026 |
| 46 | [Cheiron](https://jobspipe.dev/hiring/cheiron.bio) | 8 | 18 Sep 2026 |
| 47 | [Credence](https://jobspipe.dev/hiring/credence.ai) | 8 | 6 Nov 2026 |
| 48 | [KMC Solutions Inc](https://jobspipe.dev/hiring/kmc.solutions) | 8 | 1 Nov 2026 |
| 49 | [Mercedes-Benz Group](https://jobspipe.dev/hiring/mercedes-benz.com) | 8 | 30 Oct 2026 |
| 50 | [Netic](https://jobspipe.dev/hiring/netic.ai) | 8 | 2 Nov 2026 |
| 51 | [PathAI](https://jobspipe.dev/hiring/pathai.com) | 8 | 6 Nov 2026 |
| 52 | [Sphinx Defense](https://jobspipe.dev/hiring/sphinxdefense.com) | 8 | 22 Oct 2026 |
| 53 | [StackAI](https://jobspipe.dev/hiring/stackai.com) | 8 | 18 Aug 2026 |
| 54 | [Verisma](https://jobspipe.dev/hiring/verisma.com) | 8 | 28 Oct 2026 |
| 55 | [Zoox](https://jobspipe.dev/hiring/zoox.com) | 8 | 7 Nov 2026 |
| 56 | [84.51°](https://jobspipe.dev/hiring/8451.com) | 7 | 29 Oct 2026 |
| 57 | [AKASA](https://jobspipe.dev/hiring/akasa.com) | 7 | 19 Oct 2026 |
| 58 | [Alexander Chapman](https://jobspipe.dev/hiring/alexanderchapmanltd.com) | 7 | 28 Oct 2026 |
| 59 | [AZX](https://jobspipe.dev/hiring/azx.io) | 7 | 22 Oct 2026 |
| 60 | [BayOne Solutions](https://jobspipe.dev/hiring/bayone.com) | 7 | 3 Nov 2026 |
| 61 | [Close](https://jobspipe.dev/hiring/close.com) | 7 | 6 Nov 2026 |
| 62 | [Consumer Reports](https://jobspipe.dev/hiring/consumerreports.org) | 7 | 28 Oct 2026 |
| 63 | [Flexton Inc.](https://jobspipe.dev/hiring/flextoninc.com) | 7 | 4 Nov 2026 |
| 64 | [Galent](https://jobspipe.dev/hiring/galent.com) | 7 | 22 Oct 2026 |
| 65 | [Inspira Education](https://jobspipe.dev/hiring/inspiraeducationgroup.com) | 7 | 14 Oct 2026 |
| 66 | [PineQ Lab Technology](https://jobspipe.dev/hiring/pineqlab.com) | 7 | 22 Oct 2026 |
| 67 | [Sierra Space](https://jobspipe.dev/hiring/sierraspace.com) | 7 | 31 Oct 2026 |
| 68 | [Systems Technology Group, Inc. (STG)](https://jobspipe.dev/hiring/stgit.com) | 7 | 30 Oct 2026 |
| 69 | [Western Governors University](https://jobspipe.dev/hiring/wgu.edu) | 7 | 27 Oct 2026 |
| 70 | [Aledade](https://jobspipe.dev/hiring/aledade.com) | 6 | 16 Oct 2026 |
| 71 | [Bitsight](https://jobspipe.dev/hiring/bitsight.com) | 6 | 4 Nov 2026 |
| 72 | [Carnegie Mellon University](https://jobspipe.dev/hiring/cmu.edu) | 6 | 26 Oct 2026 |
| 73 | [Further](https://jobspipe.dev/hiring/further.group) | 6 | 4 Nov 2026 |
| 74 | [GRVTY](https://jobspipe.dev/hiring/grvty.com) | 6 | 29 Oct 2026 |
| 75 | [Mercury](https://jobspipe.dev/hiring/mercurybrasil.com) | 6 | 1 Nov 2026 |
| 76 | [Mondrio](https://jobspipe.dev/hiring/mondrio.io) | 6 | 2 Sep 2026 |
| 77 | [Pump.co](https://jobspipe.dev/hiring/pump.co) | 6 | 20 Oct 2026 |
| 78 | [VOLTO Consulting](https://jobspipe.dev/hiring/voltoconsulting.com) | 6 | 28 Oct 2026 |
| 79 | [Anduril Industries](https://jobspipe.dev/hiring/anduril.com) | 5 | 2 Nov 2026 |
| 80 | [BMC Software](https://jobspipe.dev/hiring/bmc.com) | 5 | 28 Oct 2026 |
| 81 | [Covetus](https://jobspipe.dev/hiring/covetus.com) | 5 | 3 Nov 2026 |
| 82 | [Dover Networks LLC](https://jobspipe.dev/hiring/dovernetworks.com) | 5 | 18 Oct 2026 |
| 83 | [Extend Information Systems Inc.](https://jobspipe.dev/hiring/extendinfosys.com) | 5 | 3 Nov 2026 |
| 84 | [FriendliAI](https://jobspipe.dev/hiring/friendli.ai) | 5 | 26 Oct 2026 |
| 85 | [Function Health](https://jobspipe.dev/hiring/tap.bio) | 5 | 31 Oct 2026 |
| 86 | [Huron](https://jobspipe.dev/hiring/huronconsultinggroup.com) | 5 | 29 Oct 2026 |
| 87 | [JSR Tech Consulting](https://jobspipe.dev/hiring/jsrtechconsulting.com) | 5 | 1 Nov 2026 |
| 88 | [Kensho Technologies](https://jobspipe.dev/hiring/kensho.com) | 5 | 6 Nov 2026 |
| 89 | [Lyra Health](https://jobspipe.dev/hiring/lyrahealth.com) | 5 | 28 Oct 2026 |
| 90 | [PDSSOFT INC.](https://jobspipe.dev/hiring/pds-soft.com) | 5 | 2 Nov 2026 |
| 91 | [Peregrine Advisors](https://jobspipe.dev/hiring/peregrineadvisors.com) | 5 | 20 Oct 2026 |
| 92 | [Provn](https://jobspipe.dev/hiring/provn.co) | 5 | 13 Oct 2026 |
| 93 | [Randstad Digital Americas](https://jobspipe.dev/hiring/randstaddigital.com) | 5 | 1 Nov 2026 |
| 94 | [Seekr](https://jobspipe.dev/hiring/seekr.com) | 5 | 21 Oct 2026 |
| 95 | [Syntiant](https://jobspipe.dev/hiring/syntiant.com) | 5 | 4 Nov 2026 |
| 96 | [Traversal](https://jobspipe.dev/hiring/traversal.com) | 5 | 9 Sep 2026 |
| 97 | [US Tech Solutions](https://jobspipe.dev/hiring/ustechsolutions.com) | 5 | 4 Nov 2026 |
| 98 | [Williams International](https://jobspipe.dev/hiring/williams-int.com) | 5 | 29 Oct 2026 |
| 99 | [Arbital Health](https://jobspipe.dev/hiring/arbitalhealth.com) | 4 | 19 Aug 2026 |
| 100 | [Baanyan Software Services, Inc.](https://jobspipe.dev/hiring/baanyan.com) | 4 | 5 Nov 2026 |

## By country

- [India](https://jobspipe.dev/technologies/fastapi/in)
- [United Kingdom](https://jobspipe.dev/technologies/fastapi/gb)
- [Germany](https://jobspipe.dev/technologies/fastapi/de)
- [France](https://jobspipe.dev/technologies/fastapi/fr)
- [Mexico](https://jobspipe.dev/technologies/fastapi/mx)
- [Brazil](https://jobspipe.dev/technologies/fastapi/br)
- [Canada](https://jobspipe.dev/technologies/fastapi/ca)
- [Spain](https://jobspipe.dev/technologies/fastapi/es)
- [Poland](https://jobspipe.dev/technologies/fastapi/pl)

Worldwide: [Which companies use FastAPI?](https://jobspipe.dev/technologies/fastapi)

## FAQ

### How many companies use FastAPI in United States?

2,506 companies in United States have job postings that show they use FastAPI, as of 25 Sep 2026. 627 are confirmed and 1,879 are likely.

### Which companies use FastAPI in United States?

Torentify, EXL, Bain & Company, Jack & Jill, Klaviyo are among the confirmed FastAPI users with the most postings naming it in United States. The full list on this page names 100 companies.

### How does JobsPipe know a company uses FastAPI?

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 FastAPI 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 FastAPI, 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":["fastapi"],"tier_min":"confirmed","company_country_code_or":["US"],"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