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Companies Using FastAPI

5,265 companies are actively hiring FastAPI talent across 49 countries.

FastAPI is a Python-based web framework used to build high-performance APIs and microservices — typically the backbone of data pipelines, ML model serving, and internal tooling. When a company posts FastAPI roles, they are actively investing in backend infrastructure that connects data systems to customer-facing products. These companies almost always need adjacent solutions in API security, observability, cloud hosting, and data infrastructure.

Buying Signal

A company hiring FastAPI engineers is building or scaling an API layer — often to expose ML models, replace legacy monoliths, or integrate third-party services at speed. This signals active spend on cloud platforms, containerization tools, and developer productivity software. Sales reps at infrastructure vendors, API management platforms, and MLOps companies should treat these postings as high-priority pipeline triggers.

Top Companies50 shown

Top companies hiring FastAPI talent in 2026
CompanyIndustryHQ LocationSizeJobsLinks
Drees & Sommer
dreso.com
 Real Estate Stuttgart, Germany 5,001+ 636
BWI GmbH
bwi.de
 IT Services and IT Consulting Meckenheim, Germany 5,001+ 597
Veolia | North America
veolianorthamerica.com
 Environmental Services Boston, United States 5,001+ 224
BairesDev
bairesdev.com
 IT Services and IT Consulting San Francisco, United States 1,001–5,000 981
Precision Medicine Group
precisionmedicinegrp.com
 Pharmaceutical Manufacturing Bethesda, United States 1,001–5,000 222
Meltwater
meltwater.com
 Software Development San Francisco, United States 1,001–5,000 195
Scientific Research Corporation
scires.com
 Engineering Services Atlanta, United States 1,001–5,000 351
OpenAI
openai.com
 Research Services San Francisco, United States 1,001–5,000 176
FullStack
fullstack.com
 Technology, Information and Internet Brentwood, United States 501–1,000 810
Sandpiper Productions
sandpiperbrands.com
 Marketing Services Hampton, United States 201–500 233
hackajob
hackajob.com
 Software Development Greater London, United Kingdom 51–200 222
Alignerr
alignerr.com
 Technology, Information and Internet 11–50 201
Jack & Jill
jackandjill.ai
 Technology, Information and Internet 2–10 176
Sichuan Kelun Pharmaceutical Co., Ltd.
kelun.com
 Pharmaceutical Manufacturing 223
CVS Health
cvshealth.com
 Hospitals and Health Care Woonsocket, United States 10,001+ 1,931
Deloitte
deloitte.com
 Business Consulting and Services Sydney, Australia 10,001+ 906
PwC
pwc.com
 Professional Services City of Westminster, United Kingdom 10,001+ 1,002
IBM
ibm.com
 IT Services and IT Consulting Armonk, United States 10,001+ 610
WSP in Canada
wsp.com
 Professional Services Montreal, Canada 10,001+ 621
EY
ey.com
 Professional Services Greater London, United Kingdom 10,001+ 474
Citizens
citizensbank.com
 Banking Providence, United States 10,001+ 373
AT&T
att.com
 Telecommunications Dallas, United States 10,001+ 332
PwC Deutschland
pwc.de
 Business Consulting and Services Frankfurt, Germany 10,001+ 274
Lam Research
lamresearch.com
 Semiconductor Manufacturing Fremont, United States 10,001+ 593
PKO Bank Polski
pkobp.pl
 Banking Warsaw, Poland 10,001+ 314
BNP Paribas
bnpp.lk
 Banking Paris, France 10,001+ 540
Accenture services Pvt Ltd
accenture.com
 Information Technology & Services Chennai, India 10,001+ 231
Humana
humana.com
 Insurance Louisville, United States 10,001+ 330
PiSA Farmacéutica
pisa.com.mx
 Pharmaceutical Manufacturing Guadalajara, Mexico 10,001+ 233
Tesla
tesla.com
 Motor Vehicle Manufacturing Austin, United States 10,001+ 233
Mott MacDonald
mottmac.com
 Civil Engineering Greater London, United Kingdom 10,001+ 648
Ericsson
ericsson.com
 Telecommunications Stockholm, Sweden 10,001+ 228
JPMorganChase
jpmorganchase.com
 Financial Services New York, United States 10,001+ 559
State Street
statestreet.com
 Financial Services Boston, United States 10,001+ 375
Siemens
siemens.com
 Automation Machinery Manufacturing Munich, Germany 10,001+ 320
Optum
optum.com
 Hospitals and Health Care Eden Prairie, United States 10,001+ 421
CIBC
cibc.com
 Banking Toronto, Canada 10,001+ 272
Charles River Laboratories
criver.com
 Biotechnology Research Wilmington, United States 10,001+ 214
Auchan Retail
auchan-retail.com
 Retail Croix, France 10,001+ 406
Expedia Group
expediagroup.com
 Software Development Seattle, United States 10,001+ 260
GEICO
gei.co
 Insurance Bethesda, United States 10,001+ 200
GE HealthCare
gehealthcare.com
 Hospitals and Health Care Chicago, United States 10,001+ 186
Groupe SII
sii-group.com
 IT Services and IT Consulting Paris, France 10,001+ 202
PepsiCo
pepsico.com
 Food and Beverage Services Town/Village of Harrison, United States 10,001+ 408
VINCI Energies
vinci-energies.com
 Information Technology & Services Nanterre, France 10,001+ 614
NatWest Group
natwestgroup.com
 Banking City of Edinburgh, United Kingdom 10,001+ 180
Honeywell
honeywell.com
 Automation Machinery Manufacturing Charlotte, United States 10,001+ 293
Trane Technologies
tranetechnologies.com
 Industrial Machinery Manufacturing United States 10,001+ 172
Atrium Health
atriumhealth.org
 Hospitals and Health Care Charlotte, United States 10,001+ 426
Bell
bell.ca
 Telecommunications Montreal, Canada 10,001+ 251

5,265 companies use FastAPI. Want the full list?

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Market Signal

With nearly 3,900 companies and over 91,000 open roles tied to FastAPI, this is no longer a niche framework — it has become a default choice for modern backend teams. That volume points to a broad, active market where adoption is still accelerating, not plateauing.

Stack Intelligence

Companies hiring for FastAPI almost always pair it with Python, PostgreSQL, and Docker — a stack that signals containerized, data-heavy application development with a focus on scalability. This combination is a strong indicator that the company is managing significant data workloads and likely evaluating database performance tools, container orchestration platforms, and CI/CD solutions. For vendors in those categories, this tech cluster is a reliable targeting filter.

Hiring Landscape

FastAPI in the Market

Where and how companies hire FastAPI talent

By Country

United States
2,007
India
630
United Kingdom
376
Germany
323
France
250
Brazil
215
Spain
161
Netherlands
123

By Industry

IT Services and IT Consulting
1,554
Software Development
1,072
Technology, Information and Internet
480
Financial Services
337
Business Consulting and Services
262
Information Technology & Services
238
Hospitals and Health Care
78
Computer and Network Security
73

Top Roles

Software Engineer1,445Data Engineer1,289Project Manager954Product Manager943Ai Engineer850Business Analyst794Data Scientist779Devops Engineer746Full Stack Developer615Data Analyst595Full Stack Engineer536Backend Engineer501

Related Technologies

PythonPostgreSQLDocker

What is FastAPI?

FastAPI is a modern Python web framework for building APIs with automatic documentation. FastAPI adoption signals modern Python API development.

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How this page is built

echoloc compiles technology-adoption signals from public hiring and company data — career pages, public listings, and company web presence — then clusters and de-duplicates them into the summary above. Figures are estimates that refresh over time. Read our full methodology →

This is not an official customer or user list. It is a technology-adoption signal inferred from public data, intended for B2B research.

Frequently Asked Questions

What is FastAPI?

FastAPI is a framework that lets engineering teams build and deploy APIs quickly, with built-in support for data validation and async operations. Businesses use it to connect internal systems, serve machine learning models, and power product backends. Hiring for it signals a company is actively building or modernizing its API infrastructure.

Why should sales teams track FastAPI hiring?

FastAPI hiring correlates with investment in backend services, cloud infrastructure, and data tooling — making it a reliable proxy for active technology buying cycles. A sales rep at a cloud database or observability company, for example, can use these signals to identify accounts mid-build before a vendor decision is made.

Who should be selling to companies that use FastAPI?

Vendors best positioned to target FastAPI-hiring companies include cloud infrastructure providers, API security and management platforms, MLOps and model deployment tools, and database or data pipeline vendors.