Senior Machine Learning Engineer

Hace 15 horas

Barcelona, Catalonia, España Jobrapido Jornada completa
Overview In this role you will advance dynamic pricing and recommender systems for Tripledot’s games, focusing on data understanding, feature design and model improvements. You’ll collaborate with monetization and product teams to plan A/B tests and align ML objectives with business goals. Early months emphasize contributing to the training pipeline and addressing model issues, with increasing ownership of model direction over time. You’ll operate in a fast-paced, cross-functional environment that values impact and scale, using ML to drive revenue and player outcomes.

Compensaciones / Beneficios25 days paid holidayHybrid WorkingPrivate Medical CoverLife & Critical Illness CoverFamily Forming SupportContinuous Professional Development ResponsabilidadesBuild and improve training pipelines for dynamic pricing and recommender models, including feature design, training, tuning and offline evaluation of tabular models (neural nets and gradient-boosted trees).
Monitor live model performance across games and products; investigate data drift and extend models to other products.
Diagnose missed outcomes across training, business logic and data; implement improvements to restore quality.
Collaborate with monetization and product teams to link model decisions to revenue and player outcomes; plan A/B tests.
Identify gaps in the team's understanding of models and propose directional improvements. Requisitos principalesHands-on training and evaluation of tabular models using neural networks or gradient-boosted trees.
Experience with PyTorch, PyTorch Lightning, TensorFlow, XGBoost, CatBoost or scikit-learn (any framework acceptable).
SQL proficiency; ability to write efficient queries for relational data manipulation and aggregation.
Investigative approach to incomplete data and longer-term requirements needing clarification.
Ability to explain model results to monetization and product partners in revenue/player terms.
Experience in ad tech, recommender systems or online marketplaces is useful; production APIs or deploying ML models is a plus; Ray framework is a plus.
Collaborative mindset with cross-functional teamsStrong analytical and problem-solving abilitiesEffective communication of ML concepts to non-technical stakeholdersPyTorchPyTorch LightningTensorFlow