Data Scientist (Machine Learning focus)
Role details
Job location
Tech stack
Job description
Your goal: transform data into actionable insights and scalable ML solutions that drive measurable results:
- Design, build & refine ML models: Develop, test, and iterate on machine learning models and mathematical-programming approaches.
- Prototype * Production: Write clean, tested Python code, review peers' work, and deploy services through our CI/CD pipeline.
- Monitor & improve performance: Profile algorithms, tune parameters, and track KPIs to ship incremental improvements that make our systems smarter.
- Go beyond modelling: Explore projects in forecasting, optimization, experimentation design, or causal inference as business needs evolve.
- Collaborate & communicate: Work closely with operations, scheduling, finance, and IT to turn data and constraints into actionable solutions.
- Stay curious: Apply new industry methods and academic research to enhance workflows and processes.
Requirements
If you love building models, experimenting with data, and seeing your work make a real impact across operations, finance, and strategy, you'll feel right at home here., * Hold a degree in a quantitative field (Statistics, Mathematics, Physics, Engineering, Computer Science, etc.)
- Have 1+ years of hands-on experience in data science and machine learning
- Know how to design and evaluate models (feature engineering, model selection, hyper-parameter tuning, interpretability…)
- Write production-quality Python code using data and ML libraries
- Have a good grasp of MLOps principles (versioning, reproducibility, monitoring)
- Are fluent in SQL and comfortable with relational databases
- Communicate clearly and enjoy explaining technical ideas to non-technical people
- Speak Spanish and English fluently
- Think creatively and analytically - you don't just analyze data, you look for better ways to solve problems.
? 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…)
Benefits & conditions
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.
