A major e-commerce company in Madrid is seeking a Principal Economist to enhance understanding of seller economics and develop pricing policies. The ideal candidate will possess a PhD in related fields and over 10 years of experience in industry or academic research. Responsibilities include influencing fee pricing worldwide through econometric modeling and leading cross-functional initiatives. The role requires strong collaboration and analytical skills, preferably with experience in data science tools like R and Python.#J-18808-Ljbffr