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Companies Using FastAPI in Spain

132 companies are hiring FastAPI talent in Spain, with 205 open roles.

132
Companies
205
Open Roles

FastAPI is a Python framework for building high-performance APIs and microservices — its adoption signals that a company is actively modernizing backend infrastructure or scaling data-intensive products. Spanish companies hiring for FastAPI are typically mid-to-late stage in a Python migration, which means they're simultaneously evaluating tooling for API management, cloud deployment, and ML model serving. The concentration in IT Services and Software Development sectors suggests many are building products for external clients, not just internal tools.

Buying Signal

When a company posts FastAPI roles, they're usually mid-build on a new API layer or replacing a legacy REST framework — both scenarios that create immediate demand for API gateways, containerization platforms, and observability tooling. With Senior GenAI Engineer and Senior ML Engineer appearing in the top roles alongside FastAPI, many of these companies are specifically wrapping AI/ML models behind APIs for production use. Cloud infrastructure vendors, MLOps platforms, and API security providers should be prioritizing these accounts.

Top Companies50 shown

CompanyIndustryHQ LocationSizeJobsLast SeenLinks
Amaris Consulting
amaris.com
 IT Services and IT Consulting Switzerland 5,001+ 4 2mo ago
Talan
talan.com
 IT Services and IT Consulting Paris, France 5,001+ 3 7w ago
Veeva Systems
veeva.com
 Software Development Pleasanton, United States 5,001+ 2 7w ago
Aubay Spain
aubay.es
 IT Services and IT Consulting Madrid, Spain 5,001+ 1 2mo ago
Axpo Group
axpo.com
 Utilities Baden, Switzerland 5,001+ 1 2mo ago
B
BCG X
 IT Services and IT Consulting Barcelona, Spain 10,001–5,000 15 7w ago
YouGov
yougov.com
 Business Intelligence Platforms Greater London, United Kingdom 1,001–5,000 4 2mo ago
CONVOTIS Iberia
convotis.com
 IT Services and IT Consulting Elx / Elche, Spain 1,001–5,000 3 2mo ago
Fever
feverup.com
 Software Development New York, United States 1,001–5,000 3 1mo ago
Scopely
scopely.com
 Entertainment Providers Culver City, United States 1,001–5,000 3 7w ago
Backbase
backbase.com
 Financial Services Amsterdam, Netherlands 1,001–5,000 2 1mo ago
Barcelona Supercomputing Center
bsc.es
 Research Services Barcelona, Spain 1,001–5,000 2 2mo ago
Cloudera
cloudera.com
 Software Development Santa Clara, United States 1,001–5,000 2 2mo ago
Plexus Tech
plexus.es
 IT Services and IT Consulting Spain 1,001–5,000 2 4mo ago
ROVI Pharmaceutical Company
rovi.es
 Pharmaceutical Manufacturing Madrid, Spain 1,001–5,000 2 2mo ago
team.blue
team.blue
 Software Development Ghent, Belgium 1,001–5,000 2 7w ago
Signicat
signicat.com
 IT Services and IT Consulting Trondheim, Norway 501–1,000 2 2mo ago
atmira
atmira.com
 IT Services and IT Consulting Madrid, Spain 501–1,000 1 2mo ago
Back Market
backmarket.com
 Internet Marketplace Platforms Paris, France 501–1,000 1 1mo ago
Constructor
constructor.com
 Software Development San Francisco, United States 201–500 4 2mo ago
Neurons Lab
neurons-lab.com
 IT Services and IT Consulting Greater London, United Kingdom 201–500 3 2mo ago
TheWhiteam
twt.com.es
 IT Services and IT Consulting Tres Cantos, Spain 201–500 3 2mo ago
Appodeal, Inc.
appodeal.com
 IT Services and IT Consulting McLean, United States 201–500 2 1mo ago
GRUPO NS
grupo-ns.com
 Information Technology & Services Madrid, Spain 201–500 2 1mo ago
MoonPay
moonpay.com
 Software Development United States 201–500 2 7w ago
The Flex
theflex.global
 Real Estate City of London, United Kingdom 51–200 4 3mo ago
Assaia – The ApronAI
assaia.com
 Information Technology & Services Kloten, Switzerland 51–200 3 1mo ago
bsport
bsport.io
 Wellness and Fitness Services Paris, France 51–200 3 7w ago
RoomPriceGenie
roompricegenie.com
 Software Development Switzerland 51–200 3 2mo ago
Datamaran
datamaran.com
 Technology, Information and Internet Greater London, United Kingdom 51–200 2 2mo ago
FYST
fyst.com
 IT System Custom Software Development Riga, Latvia 51–200 2 2mo ago
Shakers
shakersworks.com
 Software Development Madrid, Spain 51–200 2 2mo ago
SlashMobility
slashmobility.com
 Information Technology & Services Barcelona, Spain 51–200 2 7mo ago
SOTEC CONSULTING
sotec-consulting.com
 IT Services and IT Consulting Madrid, Spain 51–200 2 2mo ago
011h
011h.com
 Construction Barcelona, Spain 51–200 1 3mo ago
Archlet
archlet.io
 Software Development Zurich, Switzerland 51–200 1 2mo ago
Avalora
avalora.com
 IT Services and IT Consulting Madrid, Spain 51–200 1 2mo ago
BABLE Smart Cities
bable-smartcities.eu
 Technology, Information and Internet Stuttgart, Germany 51–200 1 2mo ago
Axiomatic_AI
axiomatic-ai.com
 Technology, Information and Internet Brookline, United States 11–50 4 2mo ago
DualEntry
dualentry.com
 Software Development New York, United States 11–50 2 7w ago
Quadrivia AI
quadrivia.ai
 Health and Human Services Greater London, United Kingdom 11–50 2 2mo ago
Talent Connect
talentconnect.ai
 Technology, Information and Internet Miami, United States 11–50 2 4mo ago
UNITH
unith.ai
 Software Development Barcelona, Spain 11–50 2 2mo ago
Biorce
biorce.com
 Biotechnology Research Barcelona, Spain 11–50 1 2mo ago
WayOps
wayops.eu
 IT Services and IT Consulting Madrid, Spain 2–10 6 3mo ago
Joppy
joppy.me
 Technology, Information and Internet Barcelona, Spain 2–10 3 7w ago
Sopra Steria
soprasteria.com
 IT Services and IT Consulting Paris, France 10,001+ 3 1mo ago
Qualcomm
qualcomm.com
 Semiconductor Manufacturing San Diego, United States 10,001+ 2 2mo ago
Ayesa
ayesa.com
 Business Consulting and Services Seville, Spain 10,001+ 1 1mo ago
Bain & Company
bain.com
 Business Consulting and Services Boston, United States 10,001+ 1 1mo ago

132 companies use FastAPI. Want the full list?

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Companies with open FastAPI roles in Spain. Company HQ may be in a different location.

▲Market Signal

136 companies in Spain posting 213 FastAPI roles — roughly 1.6 open roles per company — indicates these aren't exploratory hires. Companies are staffing full teams around this stack, which points to committed, funded backend modernization projects rather than one-off experiments.

⦿Stack Intelligence

FastAPI hiring almost always co-occurs with Python, PostgreSQL, and Docker because together they form a complete microservices delivery stack: Python for logic, FastAPI for the API layer, PostgreSQL for persistence, and Docker for deployment. For sales reps, this combination signals a company running containerized workloads that likely needs managed database services, container orchestration, and CI/CD tooling. It's a high-conversion profile for vendors selling infrastructure, DevOps, or data platform solutions.

FastAPI Hiring Landscape

Where and how companies hire FastAPI talent

By Industry

IT Services and IT Consulting
43
Software Development
24
Technology, Information and Internet
11
Business Consulting and Services
8
Financial Services
8
Information Technology & Services
5
Business Intelligence Platforms
1
Real Estate
1

Top Roles

Python Developer4Senior Machine Learning Engineer4Senior Python Developer4Desarrolldor/a Backend (Microservicios & APIs)3Senior GenAI Engineer3Staff Software Engineer3(fluent Ukrainian & English) Python Developer (Spain)2AI Engineer2AI Engineer, Spain - BCG X2AI Solution Architect2Backend Developer2Backend Engineer2

Related Technologies

PythonPostgreSQLDocker

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Frequently Asked Questions

What is FastAPI?

FastAPI is a framework companies use to build and expose APIs quickly, particularly when Python is the primary backend language. For businesses, it's the connective tissue between services, data pipelines, and client-facing products. Hiring for it signals active API development and backend scaling.

Why should sales teams track FastAPI hiring?

FastAPI hiring predicts infrastructure spend — companies building with it need cloud hosting, databases, monitoring, and security tooling within the same budget cycle. Tracking these roles in Spain gives sales teams a 30-to-60-day head start on outreach before those buying decisions are finalized.

Who should be selling to companies that use FastAPI?

The strongest fit vendors are cloud infrastructure providers, API management platforms, containerization and DevOps tooling companies, and database or data warehouse vendors.