> Markdown version of [/jobs/ext/2665373-data-scientist](https://www.wearedevelopers.com/jobs/ext/2665373-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:** Smadex SLU
- **Location:** Barcelona, Spain
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Airflow, Amazon Web Services, Data Analysis, Cloud Computing, Data Visualization, Data Warehousing, Python (Programming Language), Machine Learning, Power BI, SQL Databases, Tableau (Software), Workflow Management Systems, Cloud Platform System, Git, Data Analytics, Qlikview, Software Version Control, Data Pipelines
- **Published:** September 2, 2026
- **Apply:** https://www.adzuna.es/contact-us.html

## About the Role

+ A Bachelor's degree in Mathematics, Engineering, Telecommunications, or a related field
 + 3-5 years of experience working as a Data Analyst, Data Scientist or Data Engineer.
Key Skills & Attributes

 + Technical Proficiency: Expertise in SQL and Python for data manipulation, analysis, and automation.
 + Analytical & Strategic Thinking: Proven ability to dissect complex problems and deliver strategic solutions.
 + Communication & Storytelling: Strong ability to distill intricate technical concepts into clear, actionable business insights.
 + Proactive Mindset: A detail-oriented, solution-focused professional with high standards for data accuracy.
 + Collaboration: Dependable team player who thrives both independently and in collaborative environments.
 + A positive, energetic attitude that aligns with our SHAKE culture:
o Say things as they are
o Have fun
o Always people first
o Keep rowing together
o Es posible
Complementary skills and experience

 + Workflow Orchestration: Hands-on experience with orchestration tools like Apache Airflow.
 + Data Visualization: Hands-on experience building reports and dashboards in tools such as Power BI, Tableau, or QlikView.
 + Version Control: Strong understanding of version control best practices using Git.
 + Cloud Platforms: Previous experience working within cloud environments, specifically AWS, is highly appreciated.

## Description

AI & Machine Learning

 + Develop and implement end-to-end projects powered by advanced AI tools to solve and automate key business problems and processes.
 + Develop and deploy traditional machine learning models (Classification/Regression).
 + Foster an AI-driven culture within Holaluz by researching and disseminating AI knowledge across the company.
 + Stay up to date with emerging technologies and assess their suitability for Holaluz.
Data Warehousing

 + Populate the Data Warehouse with datasets using Python and SQL to create robust data pipelines.
 + Optimize and evolve the data warehousing infrastructure to ensure cost-effectiveness and scalability.
 + Maintain the smooth and efficient operation of Data Analytics systems.
Insight Generation & Analytics

 + Answer business questions using a wide range of data techniques.
 + Develop concise one-page documents with actionable insights and business recommendations.
 + Conduct in-depth analyses to solve key business problems.
 + Translate complex data into clear and concise presentations for senior management and stakeholders, effectively communicating key findings and recommendations.
 + Create compelling visualizations to effectively communicate key metrics to stakeholders.


## Related Videos

- [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)
- [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail)
- [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)
- [Enjoying SQL data pipelines with dbt](https://www.wearedevelopers.com/videos/823-enjoying-sql-data-pipelines-with-dbt)
- [AI Model Management Life Circles: ML Ops For Generative AI Models From Research to Deployment](https://www.wearedevelopers.com/videos/1152-ai-model-management-life-circles-ml-ops-for-generative-ai-models-from-research-to-deployment)
- [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews)

## Related Articles

- [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk)
- [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story)
- [Top Big Data Technologies That You Need to Know](https://www.wearedevelopers.com/magazine/108-top-big-data-technologies-that-you-need-to-know)
- [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk)
- [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)
- [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)