About Smadex 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. And with an incredible 100% growth last year. The Role: As a Machine Learning Senior Staff Engineer you will be part of all the major architectural decisions and developments we make on our algorithms, especially in our deep neural network algorithms What you will do: You will be responsible for developing new features, measuring the performance and improving our pipelines. Our ML Engineer role combines the classic "ML Scientist" and "Data Engineer" role at other companies You will also play an analytical role researching, designing, implementing, and deploying full-stack scalable data analytics and machine learning solutions to challenge business issues, as well as working closely with our Tech and Ops team You will work on unique modeling challenges not covered in the scientific literature, like extreme positive sample sparsity and labelling delay. Analyze data from different sources and provide actionable insights to business and engineering stakeholders What’s in it for you? Great compensation package tailored to the U.S. market. Career pathing and continued education available Highly engaged leadership to support you in your position and career Opportunity for international travel Comprehensive medical, dental vision benefits 401k matching Summer Fridays Team building events