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Machine Learning / Deep Learning Engineer

Barcelona💼 Full-time🗓 2026-05-16 → 2026-08-08

Core

Designing, implementing, and deploying full-stack scalable data analytics and machine learning solutions to solve business challenges in programmatic advertising, specifically addressing unique modeling issues like extreme positive sample sparsity and labeling delay.

Role type

Machine Learning / Deep Learning Engineer (IC)

Builds

State-of-the-art deep learning models and scalable data analytics solutions for a Demand Side Platform (DSP)

Domain

Advertising Technology (Ad-Tech) / Programmatic Advertising

Deliverable

production ML models

Required skills

Python, Scala, Java, deep neural networks, logistic regression, clustering, time series analysis, auto-regressive models, advanced statistical techniques, SQL, data warehousing

Preferred skills

transformer architectures, LLMs, high-performance algorithm building in production

Responsibilities

Propose and develop new ML models, measure performance, improve algorithms, research and design scalable data analytics solutions, analyze data from multiple sources, provide actionable insights to stakeholders

Seniority

Mid-to-Senior, hands-on IC

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