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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Applied Data Scientist - **Company:** Team Blue - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** A/B Testing, Artificial Intelligence, Apache HTTP Server, Cluster Analysis, Computer Programming, Extract Transform Load (ETL), Distributed Data Store, E-Business, Python (Programming Language), Machine Learning, Regression Analysis, Tensorflow, DataOps, SQL Databases, Data Processing, Pytorch, Large Language Models, Apache Spark, Deep Learning, Pandas, Scikit Learn, Information Technology, Dask, Machine Learning Operations - **Published:** August 5, 2026 - **Apply:** https://www.buscojobs.com.es/senior-applied-data-scientist-en-madrid-ID-365604702 ## About the Role 8+ years hands-on industry experience solving data science and machine learning problems to address real-world business problems across multiple verticals Expert programming skills in Python and SQL and with relevant Data Science & ML frameworks (Scikit-learn, Pandas, PyTorch, etc) Ability to think through problems from fundamental principles and operate with a high degree of independence and autonomy while bringing clarity to under-specified problems Deep understanding of statistical and ML algorithms, methodologies and approaches ranging from SVMs to deep learning & LLMs Ability to own the end to end of the lifecycle of ML/AI projects from conception to containerization History of hands-on ownership & implementer of projects that have been put in production and made an impact Experience in applying statistical concepts (e.g. regressions, A/B tests, clustering, probability) to business problems Strong problem-solving skills with excellent verbal & written communication and the ability to craft analysis into well-written and persuasive content Ability to work collaboratively with cross-functional teams Nice to have skills Master's or PhD degree in Computer Science, AI, Physics, Applied Mathematics, Machine Learning, or related fields. Deep understanding of current DataOps & MLOps practices, deploying and monitoring models and ETL (extract, transform and load) pipelines Experience with AI/ML R&D Experience across startups and enterprise firms Experience with distributed data tools (e.g. Spark, Dask, Apache Arrow), observability frameworks (OTel) #J-*****-Ljbffr ## Description Company Overviewteam.blue is the market leader in enabling digital success for small and medium-sized businesses (SMBs) across Europe, catering to over 3 million customers in 25+ languages.Our mission is to make online business success simpler, by providing our customers with all the tools and resources they need to excel online and remain ahead of the curve.Position OverviewWe are looking for a highly skilled Senior Applied Data Scientist who thrives at the intersection of AI, product thinking, and innovation.The ideal candidate will be responsible for developing Data Science & ML algorithms to solve complex, real-world business problems across the team.blue group.This role requires strong analytical skills, programming, problem solving and data wrangling skills, good communication abilities, and up-to-date knowledge of the latest Data Science/ML/AI developments.ResponsibilitiesBreak down multi-domain business problems with a strong focus on return on investment and impact metrics, and think through the appropriate technical methods from POC to productionDevelop solutions and extract insight from data using data science and classical machine learning methods and generative AI (GenAI)Take ownership of developing, implementing, and automating robust data science and ML models and pipelines, including feature generation, modeling, evaluation, retraining and deploymentTranslate sophisticated analytical findings and model outcomes into clear, actionable insights for stakeholders, demonstrably driving value and improvements in key business metricsCollaborate with cross-functional teams to understand requirements and deliver innovative Data Science/ML/AI solutionsConduct research on the latest Data Science/ML/AI developments and apply them to improve our systemsDocument processes, code, and findings for future reference and knowledge sharingRequired Skills8+ years hands-on industry experience solving data science and machine learning problems to address real-world business problems across multiple verticalsExpert programming skills in Python and SQL and with relevant Data Science & ML frameworks (Scikit-learn, Pandas, PyTorch, etc)Ability to think through problems from fundamental principles and operate with a high degree of independence and autonomy while bringing clarity to under-specified problemsDeep understanding of statistical and ML algorithms, methodologies and approaches ranging from SVMs to deep learning & LLMsAbility to own the end to end of the lifecycle of ML/AI projects from conception to containerizationHistory of hands-on ownership & implementer of projects that have been put in production and made an impactExperience in applying statistical concepts (e.g. regressions, A/B tests, clustering, probability) to business problemsStrong problem-solving skills with excellent verbal & written communication and the ability to craft analysis into well-written and persuasive contentAbility to work collaboratively with cross-functional teamsNice to have skillsMaster's or PhD degree in Computer Science, AI, Physics, Applied Mathematics, Machine Learning, or related fields.Deep understanding of current DataOps & MLOps practices, deploying and monitoring models and ETL (extract, transform and load) pipelinesExperience with AI/ML R&DExperience across startups and enterprise firmsExperience with distributed data tools (e.g. Spark, Dask, Apache Arrow), observability frameworks (OTel)#J-*****-Ljbffr ## Related Videos - [Advanced Typing in TypeScript](https://www.wearedevelopers.com/videos/496-advanced-typing-in-typescript) - [Photonic Computing: Programming a New Class of AI Accelerators (incl. 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