100 python English-speaking jobs in Barcelona
Machine Learning Engineer (Python Expert)
- Oxigent Technologies
- Barcelona
- May 3
At least 4–5 years of experience developing AI solutions with Python. ... From Oxigent Technologies, we are looking for a MACHINE LEARNING ENGINEER (PYTHON EXPERT) to join this
Junior Data Engineer: Data Flow & Architecture
- papernest
- Barcelona
- May 6
Tech: Mastery of Python (OOP) and strong SQL (BigQuery is a plus). ... Responsibilities
Advanced ETL/ELT: Design and implement data processing flows using Python and Airflow
Senior Back-end Developer Python - CDI - Barcelona
- papernest
- Barcelona
- May 6
Technical Expertise
Senior‑level expertise in Python (Django/FastAPI), including event‑driven or asynchronous
Data Engineer
- Wizeline
- Barcelona
- May 6
developer experience (SQL Server, PostgreSQL, Snowflake preferred) Snowflake, RDS, MS SQL, ETL/Airflow/Python ... or other programming languages knowledge of Python, PowerShell or Power BI Familiarity with CI/CD pipelines ... Amazon Web Service (AWS) or other cloud computing platforms Knowledge of C#, Microsoft .Net framework, Python ... Python Backend Junior Software Engineer - Remote 4 days a week (Europe) Barcelona, Catalonia, Spain $30,000.00
Data Analysis Internship Program
- papernest
- Barcelona
- May 4
About You:
Analytical mindset with a mastery of Excel; SQL & Python is a significant plus
What We Offer
AI - Team Lead
- Maze Impact SA.
- Barcelona
- May 2
Expertise in Python and its relevant data science/ML libraries. ... The ideal candidate will have a strong background in Python development, machine learning and a proven ... Develop robust, scalable and maintainable Python codebases, APIs, and microservices to support LLM‑powered
LLM Engineer
- European Tech Recruit
- Barcelona
- May 10
applications
Strong understanding of transformers, optimization, and deep learning fundamentals
Expertise in Python
Data Analyst TRAINEE
- Werfen
- Barcelona
- May 6
•SQL and/or Python •Data visualization tools (Power BI, Tableau, Qlik).
Senior Backend Developer - Permanent - Barcelona
- papernest
- Barcelona
- May 4
Your profile :
You have at least 5+ years of backend development experience in Python. ... sharing, mentoring of more junior developers and fair employee evaluation
Our stack :
Backend: Python
Senior DevOps / Platform Engineer – Runtime Validation & Governance
- Keysight Technologies SAles Spain SL.
- Barcelona
- May 2
Strong proficiency in Python and C/C++, with expertise in sandbox architecture, promotion control, and
Backend Developer / Tech Lead
- N26 GmbH
- Barcelona
- May 6
Senior backend developer - Tech Lead
- N26 GmbH
- Barcelona
- May 6
Senior Lead Back End Engineer
- N26 GmbH
- Barcelona
- May 6
Senior II Security Engineer - Application
- Preply
- Barcelona
- May 3
through influence, collaboration, and hands‑on execution
Work hands‑on with our core backend stack (Python ... record of improving security outcomes across the SDLC
Strong coding ability and comfort working in a Python
Senior AI Software Engineer
- Wizeline
- Barcelona
- May 4
Strong programming skills in Python and/or another high-level language commonly used in machine learning
Senior ML/AI Engineer
- Wizeline
- Barcelona
- May 3
Strong programming skills in Python and/or another high-level language commonly used in machine learning
Technical Project Manager
- European Tech Recruit
- Barcelona
- May 4
Strong technical understanding (Python, Git, Docker) and ability to discuss tradeoffs.
Senior Machine Learning Engineer – LLMs & Agentic AI
- Keysight Technologies SAles Spain SL.
- Barcelona
- May 6
Strong coding skills in Python and familiarity with CI/CD, testing, Git versioning, and containerization ... Write production-grade Python, C++, and CUDA code following best practices (testing, CI/CD, documentation
Sr Applied ML Engineer – Physics-Driven Systems & Optimization
- Keysight Technologies SAles Spain SL.
- Barcelona
- May 6
Proficiency in Python, C++, CUDA, and GPU performance optimization. ... Write production‑ready code in Python, C++, and CUDA, integrating with CI/CD pipelines and performance
Senior Back-End Engineer
- Preply
- Barcelona
- May 4
While Python is our primary programming language, prior experience with it is not mandatory. ... What truly matters is your enthusiasm for learning Python and your ability to adapt quickly to using ... and build top-notch products, including, but not limited to:
Develop and own backend features using Python

























