> Markdown version of [/jobs/ext/1413286-machine-learning-engineer](https://www.wearedevelopers.com/jobs/ext/1413286-machine-learning-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Machine Learning Engineer - **Company:** Smadex SLU - **Location:** Barcelona, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Amazon Elastic Compute Cloud, Amazon S3, Data Analysis, Artificial Neural Networks, Computer Programming, Python (Programming Language), Machine Learning, NumPy, SQL Databases, Pytorch, Large Language Models, Apache Spark, Git, Pandas, Information Technology, Programming Languages - **Published:** July 24, 2026 - **Apply:** https://es.indeed.com/viewjob?jk=9bcdcdd821caf0a2 ## About the Role * A proactive, autonomous, and results-oriented approach to problem-solving. * Analytical mind with high attention to detail and the ability to manage multiple priorities. * Strong foundation in statistical concepts and techniques: regression, properties of distributions, statistical significance tests, etc. * Experience in machine learning and predictive modelling: neural networks, logistic regressions, gradient boosted trees and time series analysis. * Good programming skills and familiarity with python and its libraries (pytorch, pandas, numpy, etc.). * Competence in data analysis with SQL and pandas. * Familiarity with Git. * Excellent communication skills both verbal and written in English. Extra points for :-) * Master's degree in Machine Learning, AI, Statistics, Mathematics or Computer Science. * Experience building high-performance algorithms in production environments. * Competence with Apache Spark as well as Java or Scala programming languages. * Familiarity with transformer architectures and LLMs. * Experience in digital marketing platforms and user acquisition. * Understanding of AWS services such as SageMaker, EMR, EC2, Athena and S3. ## Description * Top location at the heart of Barcelona in a penthouse office with a rooftop terrace, barbeque, and a fully stocked fridge. * Work from home: 2 days/week * Private Health Insurance * Access to LinkedIn Learning * Meal vouchers - Tickets Restaurant monthly allowance. * Monthly gym allowance: Choose between DiR Gym and Wellhub * Monthly TGIF events. * Regular team-building events. * Fun and friendly work environment with talented marketers and engineers from over 40+ countries * And more! ## Related Videos - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Vectorize all the things! Using linear algebra and NumPy to make your Python code lightning fast.](https://www.wearedevelopers.com/videos/562-vectorize-all-the-things-using-linear-algebra-and-numpy-to-make-your-python-code-lightning-fast) - [Advanced Typing in TypeScript](https://www.wearedevelopers.com/videos/496-advanced-typing-in-typescript) - [Getting to Know Your Legacy (System) with AI-Driven Software Archeology](https://www.wearedevelopers.com/videos/1437-getting-to-know-your-legacy-system-with-ai-driven-software-archeology) - [Introduction to Azure Machine Learning](https://www.wearedevelopers.com/videos/368-introduction-to-azure-machine-learning) ## Related Articles - [What Are Large Language Models?](https://www.wearedevelopers.com/magazine/304-what-are-large-language-models) - [MLops – Deploying, Maintaining And Evolving Machine Learning Models in Production](https://www.wearedevelopers.com/magazine/115-mlops-deploying-maintaining-and-evolving-machine-learning-models-in-production) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [Coffee with Developers - Maria Apazoglou - Making AI understandable for all in production](https://www.wearedevelopers.com/magazine/475-coffee-with-developers-maria-apazoglou-making-ai-understandable-for-all-in-production)