Machine Learning Senior Engineer
SmadexBarcelona, Catalonia, Spain
Posted November 21, 2025
Full Time
About the Company
Smadex is a Mobile Growth Platform specializing in performance, direct response, and brand advertising campaigns across in-app, CTV, and mobile web. With transparency and contextual targeting at its core, Smadex uses customizable machine-learning algorithms to deliver optimized creative strategies that drive audience engagement and conversion. The company partners with leading third-party platforms and offers an open platform for easy integration, ensuring privacy-compliant growth and long-term sustainable value.
Job Description
Smadex is a leading advertising technology company looking for a Machine Learning Senior Engineer to join their team in Barcelona. The role involves developing new features, measuring performance, and improving pipelines, as well as working on unique modeling challenges and analyzing data to provide actionable insights.
Requirements
- 5+ years of relevant experience in Data science positions
- Very strong coding ability: Python, Scala, Java
- Proficiency in building high-performance algorithms in production
- Knowledge of advanced statistical techniques and concepts
- Experience in data mining and predictive modelling
- Proficiency in SQL and data warehousing
- Excellent communication skills
- Ability to mentor other team members
- Fluency in English
Benefits
- Great compensation package
- Meal vouchers - Ticket Restaurant monthly allowance
- Monthly gym allowance to use in up to the 30 DIR gyms around the city
- LinkedIn Learning
- Monthly TGIF events
- Regular team-building events