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Companies Using LangChain in Spain

125 companies are hiring LangChain talent in Spain, with 175 open roles.

125
Companies
175
Open Roles

LangChain is a framework for building applications powered by large language models — think AI chatbots, document Q&A systems, and automated reasoning pipelines. Companies hiring for LangChain in Spain aren't experimenting; they're actively building production-grade AI products and internal tooling. That build phase creates immediate demand for vector databases, LLM API access, cloud infrastructure, and AI observability tools.

Buying Signal

When a company posts a LangChain role, they're likely mid-build on an AI application and shopping for the supporting stack — LLM API providers, embedding models, and data pipeline tooling. They're either replacing manual workflows or launching net-new AI products, which means procurement conversations are already open. SDRs selling cloud infrastructure, data platforms, or AI developer tooling should be prioritizing these accounts now, not after the hire is made.

Top Companies50 shown

CompanyIndustryHQ LocationSizeJobsLast SeenLinks
N
NTT DATA Europe & Latam
 IT Services and IT Consulting Madrid, Spain 10,001+ 22 1mo ago
SEIDOR
seidor.com
 IT Services and IT Consulting Barcelona, Spain 5,001+ 2 2mo ago
Adevinta
adevinta.com
 Internet Marketplace Platforms Amsterdam, Netherlands 5,001+ 1 2mo ago
Aubay Spain
aubay.es
 IT Services and IT Consulting Madrid, Spain 5,001+ 1 2mo ago
Barcelona Supercomputing Center
bsc.es
 Research Services Barcelona, Spain 1,001–5,000 3 7w ago
N-iX
n-ix.com
 IT Services and IT Consulting Valletta, Malta 1,001–5,000 3 7w ago
Plexus Tech
plexus.es
 IT Services and IT Consulting Spain 1,001–5,000 3 4mo ago
Intellias
intellias.com
 IT Services and IT Consulting Chicago, United States 1,001–5,000 2 1mo ago
Almirall
almirall.com
 Pharmaceutical Manufacturing Barcelona, Spain 1,001–5,000 1 2mo ago
DocMorris
docmorris.de
 Retail Frauenfeld, Switzerland 1,001–5,000 1 2mo ago
Dow Jones
dowjones.com
 Online Media New York, United States 1,001–5,000 1 2mo ago
Mindrift
mindrift.ai
 Technology, Information and Internet 501–1,000 4 2mo ago
BME | Bolsas y Mercados Españoles
bolsasymercados.es
 Financial Services Madrid, Spain 501–1,000 2 1mo ago
Aircall
aircall.la
 Software Development New York, United States 501–1,000 1 1mo ago
atmira
atmira.com
 IT Services and IT Consulting Madrid, Spain 501–1,000 1 2mo ago
Checkatrade
checkatrade.com
 Internet Marketplace Platforms Greater London, United Kingdom 501–1,000 1 2mo ago
DEKRA España
dekra.es
 Business Consulting and Services Alcobendas, Spain 501–1,000 1 1mo ago
Docker, Inc
docker.com
 Software Development San Francisco, United States 501–1,000 1 7w ago
Neurons Lab
neurons-lab.com
 IT Services and IT Consulting Greater London, United Kingdom 201–500 4 2mo ago
AILY LABS
ailylabs.com
 Technology, Information and Internet New York, United States 201–500 2 1mo ago
myCloudDoor
myclouddoor.com
 IT Services and IT Consulting Fort Lauderdale, United States 201–500 2 1mo ago
United Digital Group
udg.de
 Technology, Information and Internet Ludwigsburg, Germany 201–500 2 3mo ago
Clarity AI
clarity.ai
 Financial Services New York, United States 201–500 1 1mo ago
Centro Tecnológico del Notariado
ctnotariado.com
 Software Development Sant Cugat del Vallès, Spain 201–500 1 2mo ago
pasiona
pasiona.com
 IT Services and IT Consulting Barcelona, Spain 51–200 2 2mo ago
Planner 5D
planner5d.com
 IT Services and IT Consulting Vilnius, Lithuania 51–200 2 6mo ago
Shakers
shakersworks.com
 Software Development Madrid, Spain 51–200 2 1mo 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
TuoTempo
tuotempo.it
 Software Development Bologna, Italy 51–200 2 2mo ago
Agil Chile
agilchile.com
 Technology, Information and Internet Santiago, Chile 51–200 1 1mo ago
DISID
disid.com
 Information Technology & Services Valencia, Spain 51–200 1 2mo ago
Axiomatic_AI
axiomatic-ai.com
 Technology, Information and Internet Brookline, United States 11–50 4 2mo ago
Conmuta Soluciones Tecnológicas S.L
conmuta.es
 Information Technology & Services Paterna, Spain 11–50 2 2mo ago
Talent Connect
talentconnect.ai
 Technology, Information and Internet Miami, United States 11–50 2 4mo ago
Biorce
biorce.com
 Biotechnology Research Barcelona, Spain 11–50 1 1mo ago
Bolsterup
bolsterup.co
 Technology, Information and Internet Nicosia, Cyprus 11–50 1 5mo ago
Clidrive
clidrive.com
 Technology, Information and Internet Madrid, Spain 11–50 1 2mo ago
Cloudari
cloudari.com
 Telecommunications Madrid, Spain 11–50 1 1mo ago
Biyiud, Sustainability as Wealth
biyiud.eco
 Technology, Information and Internet Barcelona, Spain 2–10 1 2mo ago
dentsu
dentsu.com
 Advertising Services Japan 10,001+ 3 2mo ago
BASF
basf.com
 Chemical Manufacturing Ludwigshafen am Rhein, Germany 10,001+ 2 1mo ago
Johnson & Johnson Innovative Medicine
jnj.com
 Pharmaceutical Manufacturing 10,001+ 2 2mo ago
Keysight Technologies
keysight.com
 Appliances, Electrical, and Electronics Manufacturing Santa Rosa, United States 10,001+ 2 1mo ago
Kyndryl
kyndryl.com
 IT Services and IT Consulting New York, United States 10,001+ 2 2mo ago
Telefónica
telefonica.com
 Telecommunications Madrid, Spain 10,001+ 2 2mo ago
Ayesa
ayesa.com
 Business Consulting and Services Seville, Spain 10,001+ 1 2mo ago
Boehringer Ingelheim
boehringer-ingelheim.com
 Pharmaceutical Manufacturing Ingelheim am Rhein, Germany 10,001+ 1 2mo ago
Devoteam
devoteam.com
 Business Consulting and Services Levallois-Perret, France 10,001+ 1 2mo ago
DXC Technology
dxc.com
 IT Services and IT Consulting Ashburn, United States 10,001+ 1 2mo ago

125 companies use LangChain. Want the full list?

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

▲Market Signal

121 companies in Spain posting 178 LangChain roles signals a market that has moved past proof-of-concept into active deployment — the average company is hiring for more than one role, which indicates team-building, not one-off projects.

⦿Stack Intelligence

Companies hiring for LangChain alongside OpenAI, Pinecone, and Anthropic are running multi-model strategies — they're not locked into one LLM provider and need infrastructure that supports model switching and vector search at scale. Python expertise appearing in the same hiring cluster confirms these are engineering-led teams building custom solutions, not buying off-the-shelf software. For vendors, this combination points to accounts with real budget and a preference for API-first, composable tools.

LangChain Hiring Landscape

Where and how companies hire LangChain talent

By Industry

IT Services and IT Consulting
36
Technology, Information and Internet
15
Software Development
16
Business Consulting and Services
8
Information Technology & Services
6
Financial Services
5
Advertising Services
3
Pharmaceutical Manufacturing
4

Top Roles

AI Engineer4Senior Machine Learning Engineer4AI Senior Engineer3Freelance Data Science Expert (Python & SQL) / AI Trainer3Senior AI Engineer3AI Solution Architect2AI/LLM Engineer2Data Scientist2Forward Deployed AI Engineer (all genders)2GenAI Engineer2GenAI Engineer (Python) – Spain (100% Remoto)2Machine Learning Engineer for Language Technologies (RE2)2

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Frequently Asked Questions

What is LangChain?

LangChain is a development framework that connects large language models to external data sources, APIs, and memory systems to build functional AI applications. Businesses use it to ship products like internal knowledge assistants, customer-facing chatbots, and document processing workflows. A company hiring for it is past evaluation — they're building.

Why should sales teams track LangChain hiring?

LangChain hiring predicts near-term spend on the surrounding AI stack — vector databases, LLM APIs, cloud compute, and monitoring tools. A sales rep selling any of those categories can use this signal to get into an account before a vendor is selected.

Who should be selling to companies that use LangChain?

Vendors best positioned here include cloud infrastructure providers, vector database companies, LLM API resellers, and AI observability or security platforms.