Senior Data Engineer — Real-Time AdTech

MWDN seeks a Senior Data Engineer to design and build high‑performance data systems for programmatic advertising. You will process millions of ad transactions in real time, architect scalable pipelines, and collaborate with a global engineering team.You'll work across data sources, data models, and analytics to optimize yield, latency, and accuracy, while...

MoonPay is seeking a Senior Data Engineer to design and build core systems for our data platform in Madrid, Spain. This role involves leading complex data engineering projects, developing real-time data pipelines, and mentoring the engineering team. Candidates should have proven experience in low-latency data applications and skills in tools like Kafka and...

MoonPay is seeking a Senior Data Engineer to design and build core systems for our data platform in Madrid, Spain. This role involves leading complex data engineering projects, developing real-time data pipelines, and mentoring the engineering team. Candidates should have proven experience in low-latency data applications and skills in tools like Kafka and...

A leading data technology company in Madrid is looking for motivated Software Engineers to join their dynamic development teams. You will solve data engineering challenges, work on both open-source and proprietary products, and mentor junior developers. Candidates should have a strong background in Java and be passionate about open-source projects.

Datadog is seeking distributed systems engineers to design, implement, and operate core platforms powering real-time data pipelines at scale. You will work on durable, low-latency systems and write code in Go, Java, Rust, or C++ while leveraging open-source tools like Kafka, Redis, Cassandra, and Elasticsearch. You will join a collaborative, hybrid...

Smadex, a performance ad-tech company, seeks a data scientist to bridge theory and production within its ML team in Barcelona. You will work on deep neural networks powering a high-frequency bidding system, improving performance and interpretability across millions of ad requests per second. The role combines rigorous data analysis with production-grade...

Infront is seeking a Senior Market Data Specialist to drive onboarding, data integration and quality oversight across our financial data platforms. You will liaise with product, operations and development teams and manage data intake, processing and maintenance with external providers. English fluency is essential. The role involves collaborating with teams...

Taptap Digital is seeking a Data Engineer based in Madrid, Spain, to design and enhance scalable data systems.Aumente sus posibilidades de llegar a la fase de entrevista leyendo la descripción completa del puesto y enviando su solicitud sin demora.This position demands expertise in managing large-scale data processing systems and collaboration with various...

Dow Jones in Madrid is seeking a Senior Machine Learning Engineer to join the Personalization team to design, build and operate scalable personalization systems powering content discovery.You will advance ML models across candidate generation, ranking and retrieval, leveraging embeddings, two-tower architectures and user signals while partnering with...