Machine Learning Engineer Jobs in Barcelona

Machine Learning Engineer jobs in Barcelona hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $202,319/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

Barcelona
AI/ML
Data Science
Backend
Frontend
Mobile
DevOps
Web3
Games
Hardware
Robotics
Security
QA
Executive
Networking
Product
Design
Analytics
Support
Enterprise Apps
Quantum

Welo Global
weloglobal.com
Welo Global is a provider of multilingual content, data, and AI solutions headquartered in New York, New York, and founded in 1997. The company provides enterprise localization, AI training data, intellectual property translation, and life sciences regulatory content through brands such as Welocalize and Park IP. It operates a global network of over 1,500 employees and 250,000 linguists to support more than 2,000 clients across the technology, legal, and healthcare sectors.
weloglobal.com • HQ: New York, United States • Clinical Research • Health Care • Data Collection • Machine Learning • Professional Services • Data & Analytics • Artificial Intelligence • Translation Services • 1001-5000 employees • Est. 1997
HQ: New York, United States • Clinical Research • Health Care • Data Collection • Machine Learning • Professional Services • Data & Analytics • Artificial Intelligence • Translation Services • 1001-5000 employees • Est. 1997
Open 167 daysVerified live · 5 hours ago 6 months ago

Project Lion - Senior Prompt Engineer - Spain (Remote, Part-Time)
≈ $35k – $88k per year (Estimated) • Senior • 4+ years exp • Remote (Spain) • Bachelor's Degree • Part-Time • Senior • Spanish: C1
SQL
AI/ML
Chain-of-Thought
Few-Shot Learning
LLM
Prompt Engineering
Structured Outputs
Apply
Report

HP Inc.
hp.com
HP Inc. is a American multinational technology company specializing in personal computing, printing systems, and 3D printing solutions. Formed in 2015 following the corporate split of the original Hewlett-Packard Company, it manufactures a broad portfolio of consumer and enterprise products, including laptops, desktop PCs, workstation displays, and commercial printers.
hp.com • HQ: Palo Alto, United States • Consumer Electronics • Printers & Scanners • Laptops • 5000+ employees
HQ: Palo Alto, United States • Consumer Electronics • Printers & Scanners • Laptops • 5000+ employees
Open 262 daysVerified live · 1 day ago 9 months ago

AI Lab - Junior Machine Learning Engineer
≈ $37k – $110k per year (Estimated) • Junior • In office (Barcelona, Spain) • Relocation • Bachelor's Degree • Full-Time • Junior
C#
C++
Python
C++
PyTorch C++
AI/ML
Fine-tuning
PyTorch
Hugging Face
Apply
Report

Eclipse
eclipse.ai
Get updates from eclipse.ai. Signup for our mailing list.
eclipse.ai
Open 296 daysVerified live · 8 hours ago 10 months ago

Data Scientist (AI Data & LLM Specialist)
Remote
Python
AI/ML
AI Agents
Embeddings
Fine-tuning
LLM
NER
NumPy
Pandas
Scikit-learn
spaCy
Tokenization
Hugging Face
Reinforcement Learning
RLHF
Web3
dYdX
Ethereum
Layer 2
Solana
Uniswap
ZkSync Era
Management
Slack
Apply
Report

John Snow Labs
johnsnowlabs.com
John Snow Labs is an award-winning healthcare AI company for rapid adoption of AI in healthcare and life sciences organizations, providing high-compliance AI platform, state-of-the-art NLP libraries, and data market.
johnsnowlabs.com • Biotechnology • Medical AI • Artificial Intelligence • Est. 2015
Biotechnology • Medical AI • Artificial Intelligence • Est. 2015
Open 373 daysVerified live · 1 day ago 1 year ago

Machine Learning Engineer - Large Language Models
$60k – $120k per year • Senior • 5+ years exp • Remote • Master's Degree • Contractor • Senior • English
Axolotl
Fine-tuning
llama.cpp
LLM
NLP
PEFT
Prompt Engineering
PyTorch
Quantization
RAG
Transformers
vLLM
DPO
PPO
SFT
TGI
Apply
Report

Civitta
civitta.com
Konsultavimas, finansavimas,skaitmeniniai sprendimai. Padedame vyriausybėms ir viešojo sektoriaus institucijoms rengti politikos sprendimus, skatinti ekonominį augimą ir įgyvendinti didelės apimties transformacijos programas.
civitta.com • Warsaw • Budapest • Bucharest • Bratislava • Vilnius • Wireless • 501-1000 employees
Warsaw • Budapest • Bucharest • Bratislava • Vilnius • Wireless • 501-1000 employees
Open 472 daysVerified live · 4 hours ago 1 year ago

ML Ops Engineer
≈ $50k – $125k per year (Estimated) • Senior • 6+ years exp • Remote (EU) • Full-Time • Senior
Python
DevOps
AWS
Azure
CI/CD
Apply
Report
Machine Learning Engineer Jobs in Barcelona
Frequently asked questions
How many Machine Learning Engineer jobs in Barcelona are available on Alion?
There are currently 22 active listings from 18 hiring companies on Alion, refreshed daily.
What salary do Machine Learning Engineer jobs in Barcelona pay?
The average salary is around $202,319 per year based on the current listings.
Are remote options available for Machine Learning Engineer jobs in Barcelona?
Yes, many of these roles offer remote or hybrid work, and you can filter listings by remote, relocation and visa sponsorship.
How do I apply for Machine Learning Engineer jobs in Barcelona?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.