Data Scientist, Machine Learning

Hello! We are Volotea, the airline of small and mid-sized cities in Europe.

We’re growing our Data Science team and looking for someone passionate about applying Machine Learning to real business challenges.

At Volotea, data is not just about analysis — it’s about impact. You’ll work on projects that directly influence operations, finance, and strategic decisions, building solutions that make the airline smarter and more efficient.

If you enjoy building models, experimenting with data, and seeing your work in production, this is your place.

🚀 Take off with us! Your journey starts here.

How will it be to work with us?

• Design, build, and refine machine learning models and optimization approaches to solve real operational and business problems.

• Take models from prototype to production, writing clean, tested Python code and deploying through our CI/CD pipelines.

• Monitor and improve model performance, tuning algorithms and tracking KPIs to drive continuous improvements.

• Explore challenges across forecasting, optimization, experimentation, and causal inference, depending on business needs.

• Collaborate with Operations, Scheduling, Finance, and IT to translate data into actionable solutions.

• Stay up to date with industry and academic advances, bringing new ideas to improve our processes and tools.

Why join us?

✈️ Travel the world for less

Enjoy exclusive deals with 180+ airlines—fly with your family for up to 4-5 times less than standard fares, just covering airport taxes. Weekend getaways or global adventures? You decide!

🏙 A prime location in Barcelona – And no, we’re not located at the airport!

You may not have seen us at Barcelona Airport, but there’s a reason for that—you’ll understand when you get to know us! 😉 Our HQ is in a top area, surrounded by great restaurants, shops, and services.

🤝 We work hard, but we have fun too!

We love bringing people together with events like:🎭 Carnival parties 🎢 Trips to Port Aventura 🎿 Ski getaways 🏃 Running clubs 🏓 Paddle & ping-pong tournaments

We’re an active, social team—there’s always something happening!

⚡ Make an impact – Bring your ideas to life! 🚀

At Volotea, your ideas matter. We give you the space and support to create, innovate, and shape the company’s future.

📝 A benefits plan that works for you

Customize your benefits! Allocate part of your salary to dining, transport, or health insurance, tax-free—meaning more savings for the things you love!

🧘‍♀️ Your well-being comes first

Enjoy discounted gym memberships, free fresh fruit, and coffee to keep you energized.

🌍 A global teamwork

In a diverse, multicultural environment where teamwork and innovation drive success.

📈 Grow your career with us

Access training in soft skills, office tools, and languages to boost your career.

⚖ Work-Life balance – Flexibility to thrive

With flexible schedules, hybrid models with up to two days of remote work per week, flexible vacations, and your birthday off, you can grow professionally without compromising your well-being.

🚀 Ready to join us?

What will make you succeed in this position:

• Degree in a quantitative field (Statistics, Mathematics, Physics, Engineering, Computer Science, etc.)

• +1 year of hands-on experience in Data Science / Machine Learning

• Strong understanding of model design and evaluation (feature engineering, tuning, interpretability…)

• Ability to write production-quality Python code using data and ML libraries

• Good understanding of MLOps principles (versioning, reproducibility, monitoring)

• Solid SQL skills and experience with relational databases

• Strong communication skills, able to explain technical concepts clearly

• Fluent in Spanish and English

• Analytical, curious, and solution-oriented mindset

🌟 Nice to have

• Master’s Degree in Data Science, Machine Learning, AI, Applied Mathematics, Statistics, Optimization, or similar.

• Solid software design and testing habit.

• Experience with cloud platforms (Azure, AWS, or GCP)

• Exposure to Big Data tools (Spark, PySpark, Hadoop, Hive, Impala…)

🛠️ Our Tech Stack

Python (Anaconda, uv, pandas, polars, NumPy, SciPy, scikit-learn, LightGBM, shap, mlflow, optuna, jupyter, matplotlib, seaborn, streamlit, Flask, SQLAlchemy, pytest, …) -GitHub (git, ruff, pre-commit) - VS Code & PyCharm · Docker - PostgreSQL, Redshift & Delta Lake - PySpark, Databricks - Azure & AWS - Power BI

Learn more about working at Volotea HQ

VOLOTEA | Jobs and Careers

VOLOTEA | Vuelos baratos, ofertas y billetes de avión a ciudades de toda Europa.

Listen to our Top Management introduce our culture at Volotea.

Volotea is an equal opportunity employer that values diversity and inclusion and strives to recruit diverse candidates. Our goal is to continuously improve and sustain an inclusive culture by attracting, developing, and engaging the best talent in our industry.

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