AdTechTalent
Data Science72 days agoHybrid

Smadex

Machine Learning Senior Engineer (Recommendations)

machine learningpythonsqlstatisticsrecommendation systemsadtechdata scienceprogrammatichybrid

Key details

Salary

Not specified

Employment type

Full-time

Seniority

Senior

Years experience

5-10

Location

Barcelona, Spain

Full job description

Senior Machine Learning Engineer role focused on hands-on development and optimization of the creative selection recommendation engine within a high-frequency auction ecosystem. Requires strong engineering, analytical, and communication skills. Responsibilities include developing, maintaining, and optimizing the recommendation engine and coordinating with the creative team to translate needs into technical solutions. Requirements: 5+ years experience in Data Science/Machine Learning, background in Mathematics, Physics, Computer Science or Data Science, proficiency in Python, SQL, and Statistics, experience in Adtech, Recommender Systems or Marketplaces, knowledge of recent advances in recommendation systems, excellent verbal and written communication skills, fluency in English, and legal permit to work in Spain (no visa sponsorship). Benefits include a motivated young team, competitive compensation, prime office location in Barcelona with rooftop terrace, hybrid work (2 days remote), private health insurance, LinkedIn Learning access, meal vouchers, gym allowance, social events, and a diverse international work environment.

What you'll do

  • 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

Requirements

  • 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
  • Excellent communication skills both verbal and written
  • Fluency in English
  • Legal permit to work in Spain (no visa sponsorship)

Tech stack

PythonSQLStatisticsMachine LearningRecommendation Systems

Benefits

Integrate a highly motivated and young teamGreat compensation packageTop location at the heart of Barcelona in a penthouse office with a rooftop terrace, barbeque, and a fully stocked fridgeWork from home: 2 days/weekPrivate Health InsuranceAccess to LinkedIn LearningMeal vouchers - Tickets Restaurant monthly allowanceMonthly gym allowance: Choose between DiR Gym and WellhubMonthly TGIF eventsRegular team-building eventsFun and friendly work environment with talented marketers and engineers from over 40+ countries

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