Smadex is a leading advertising technology company founded in Barcelona in 2010 and sold to American-based and stock-listed Entravision in 2018 (NYSE::EVC). We are one of the top mobile ad-tech companies in the world and the largest Demand Side Platform (DSP) based in Europe, with our revenues over +$100M and consistently growing +40% YoY over the past years.

Compruebe a continuación si tiene lo necesario para esta posibilidad y, si es así, envíe su solicitud lo antes posible.

Our mission is to continue to improve our ad-tech platform to help our clients achieve their programmatic advertising campaign goals, and we want to give our employees a job they’ll love, where they will be challenged to improve results through real-life engineering and data analysis and where everyone’s implication has an impact.

Are you ready to be part of the new unicorn? Keep reading!

Role overview

You will be a Senior Machine Learning Engineer dedicated to the hands‑on development and optimization of our creative selection recommendation engine. This is a critical role that operates within our high‑frequency, complex auction ecosystem and requires a strong blend of engineering, analytical, and cross‑functional communication skills.

Responsibilities

-

- Development, maintenance, and optimization of the core creative selection recommendation engine





- Coordination with creative team to define their needs and translate them into robust technical solutions

What you need to have:

-

- 5+ years of relevant experience in Data science / Machine Learning positions

- Background in Mathematics, Physics, Computer Science or Data Science.

- Proficiency in Python, SQL, Statistics

- Hands‑on experience developing solutions in related fields such as Adtech, Recommender Systems, or Marketplaces

- Knowledge of recent advances in recommendation systems

- Possesses excellent communication skills both verbal and written

- Fluency in English

Please note that we do NOT provide VISA sponsorship. Candidates without a legal permit to work in Spain won't be considered.

Reward package:

-

- Integrate a highly motivated and young team.

- Great compensation package.

- Top location at the heart of Barcelona in a penthouse office with a rooftop terrace, barbeque, and a fully stocked fridge.

- Work from home: 2 days/week

- Private Health Insurance

- Access to LinkedIn Learning

- Meal vouchers - Tickets Restaurant monthly allowance.

- Monthly gym allowance: Choose between DiR Gym and Wellhub

- Monthly TGIF events.

- Regular team‑building events. xqbhyrx

- Fun and friendly work environment with talented marketers and engineers from over 40+ countries

- And more!

#J-18808-Ljbffr

📌 Machine Learning Senior Engineer (Recommendations) (Barcelona)
🏢 Smadex
📍 Barcelona