121 python English-speaking jobs in Catalonia
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
Senior Software Engineer – Agentic Runtime Safety & Observability
- Keysight Technologies SAles Spain SL.
- Barcelona
- May 2
Proficiency with Python/C++ interoperability (PyBind11, gRPC, ZeroMQ). ... Advanced proficiency in Python and C/C++, with experience in hybrid or simulation-based systems. ... Develop interoperability safety layers between Python and RL technologies to ensure reliable data exchange
LLM Engineer – Quantum AI / Model Compression / Deep Learning
- European Tech Recruit
- , Cataluña, Spain
- May 17
understanding of GPU architectures and high-performance AI workloads
Excellent programming skills in Python
PhD-level Machine Learning R&D Internship – LLM focus
- Keysight Technologies SAles Spain SL.
- Barcelona
- May 4
Write good quality code in Python, C++, and CUDA following best coding practices. ... Experience with writing production‑quality python code, testing, CI/CD, and version control (Git) is
Middle DevOps Engineer (Azure)
- Miratech
- Barcelona
- May 3
Proficiency in Python scripting for automation and infrastructure tasks. ... Developing automation and scripting solutions using Python and PowerShell to improve operational efficiency
Deep Learning Enginer
- European Tech Recruit
- Barcelona
- May 4
Proficiency with Python, PyTorch, and modern ML tooling, along with experience building scalable, reproducible
Siemens Energy Graduate Program - AI/ML & Data Science Engineer for Industrial Applications (m/f/d)
- Siemens Energy
- Barcelona
- May 15
Strong foundation in machine learning, data science, or applied mathematics, with hands‑on experience in Python
LLM Engineer – Quantum AI / Model Compression / Deep Learning
- European Tech Recruit
- Barcelona
- May 15
understanding of GPU architectures and high-performance AI workloads
Excellent programming skills in Python
PhD-level Machine Learning R&D Internship
- Keysight Technologies SAles Spain SL.
- Barcelona
- May 4
Write good quality code in Python, C++, and CUDA following best coding practices. ... Experience with writing production‑quality python code, testing, CI/CD, and version control (Git) is
Senior LLM Engineer - Large Language Models / Transformer Models / Deep Learning / PyTorch
- European Tech Recruit
- Barcelona
- May 10
learning, including transformers and ideally other domains such as computer vision
For both:
Strong Python
Lead Backend Engineer - Assistance
- N26 GmbH
- Barcelona
- May 6
Production Specialist - Warehousing 1
- Grifols
- Parets del Vallès
- May 4
Experience managing data analysis and statistics (Python, SQL, Tableau, Power BI).
Sales Engineer
- Zynap Ltd.
- Barcelona
- May 6
Experience with scripting (e.g., Python) or security automation tools is a plus.
Senior Sales Engineer (Pre-sales)
- Zynap
- Barcelona
- May 6
Experience with scripting (e.g., Python) or security automation tools is a plus.
Senior ML Engineer – Scientific & Engineering Data
- Keysight Technologies SAles Spain SL.
- Barcelona
- May 2
Hands‑on experience with data preprocessing, feature engineering, and pipeline automation (Python, SQL ... Prerequisites
Strong programming proficiency in Python, with experience in C++ integration for high‑performance
Senior AI Architect – Agentic Orchestration Frameworks
- Keysight Technologies SAles Spain SL.
- Barcelona
- May 2
Hands‑on experience with data preprocessing, feature engineering, and pipeline automation (Python, SQL ... Prerequisites
Strong programming proficiency in Python, with experience in C++ integration for high‑performance
Data analyst - Strategic Partnerships - VIE - Barcelona
- papernest
- Barcelona
- May 16
(Knowledge of Python or visualization tools like Looker is a plus).
Modern C++ Software Engineer Intern (FPGA / Hardware) – Immediate Start | Barcelona
- Keysight Technologies SAles Spain SL.
- Barcelona
- May 4
Basic knowledge of Python and/or C# (nice to have).












