> Markdown version of [/jobs/ext/1637880-data-scientist](https://www.wearedevelopers.com/jobs/ext/1637880-data-scientist). 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). --- # Data Scientist - **Company:** Bidmachine - **Location:** Spain - **Contract:** Permanent contract - **Skills:** Airflow, Amazon Web Services, Big Data, Databases, Extract Transform Load (ETL), Python (Programming Language), Machine Learning, Online Analytical Processing, Cloud Services, SQL Databases, Pytorch, Pandas, Pyspark, Information Technology, Druid, Service Stack, Databricks - **Published:** July 8, 2026 - **Apply:** https://es.trabajo.org/oferta-5354-22e385ef327338c797ed69707a6e5f1e ## About the Role Qualifications - Bachelor's or Master's degree in Computer Science, Statistics, Mathematics, or related field. - 5+ years of experience in data science, preferably in a product-focused environment. - 3+ years of experience in AdTech. - Strong analytical skills with the ability to derive insights from complex datasets. - Proficiency in statistical modeling and machine learning techniques. - Excellent communication and collaboration skills, with the ability to work effectively in a cross-functional team environment. With a powerful product, strong market positioning, and a team that strives for excellence, BidMachine offers a unique opportunity to grow, innovate, and make a tangible impact in the programmatic advertising space. Build the future of mobile AdTech with us J-18808-Ljbffr ## Description scalability. This includes creating models tailored to optimizing ad targeting, bid strategies, and campaign performance analysis. - Collaborate with both technical and business teams to understand requirements and translate them into data-driven solutions and insights, particularly focusing on enhancing advertising effectiveness and ROI. - Maintain and optimize existing data processing pipelines and machine learning models, with a strong emphasis on applications within the ad-tech ecosystem, ensuring high efficiency and alignment with dynamic market trends. Technology Stack - Proficiency in Python and SQL. - Experience with manipulation frameworks such as PySpark and Pandas. - Familiarity with Dagster (or similar) as ETL tool and Druid (or similar) as OLAP database. - Skilled at using cloud services such as AWS etc. - Hands-on experience in DNN models training libraries and frameworks (pytorch, hydra, comet etc.) - Knowledge of Databricks will be a plus. ## Related Videos - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [Advanced Typing in TypeScript](https://www.wearedevelopers.com/videos/496-advanced-typing-in-typescript) - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) - [Enjoying SQL data pipelines with dbt](https://www.wearedevelopers.com/videos/823-enjoying-sql-data-pipelines-with-dbt) - [Data Science on Software Data](https://www.wearedevelopers.com/videos/162-data-science-on-software-data) ## Related Articles - [Top Big Data Technologies That You Need to Know](https://www.wearedevelopers.com/magazine/108-top-big-data-technologies-that-you-need-to-know) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [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) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer)