Data Scientist k m n

Nexio Management is a trusted business partner on the way to the digital future. We have almost 20 years of experience in the IT market in Poland and beyond. We operate based on transparent and honest relationships. We create innovative technological solutions, thereby creating an interesting and development-oriented work environment for our experts. We currently employ 550 consultants who provide IT services to clients worldwide. Our main headquarters is located in Warsaw, and we also have offices in Romania and Great Britain. We also have our own R&D Center, which is a place where innovative projects are created, including: in the areas of testing, Big Data, Cloud, or AI. As part of our services, we create tailor-made solutions, maintain and develop even the most demanding IT systems. We operate in business models such as managed services, fixed prices, and we support our clients' teams in scale up the team models. Our clients are companies from many diverse industries, looking for support from top-class experts. For one of our clients, we are looking for a person for the position of Data Scientist - remote work. We are looking for a quick possibility to start cooperation. TASKS: Designing and improving models that determine how ads are planned, priced, and delivered Work at the intersection of data science, media, and revenue Designing, training, and evaluating models for pricing, forecasting, targeting, and performance optimization Transforming raw data Collaboration with MLOps and Data Engineers REQUIRED EXPERIENCE: 4+ years of experience with Machine Learning (including working with a modern stack, e.g., scikit-learn, XGBoost, PyTorch, or TensorFlow). Knowledge of Python and SQL Solid foundations in statistics and experimentation – you know how to design A/B tests and draw conclusions about errors Ability to communicate clearly NICE TO HAVE: Experience with large-scale data and ML tools in Google Cloud and Vertex AI will be a big plus WE OFFER: A wide range of interesting, diverse, advanced projects implemented with the latest technologies for the largest Polish and international companies Various forms of cooperation – employment contract, B2B contract, or mandate contract Employment stability – long-term projects, cooperation with leading companies in the industry, opportunities to change projects Benefits: Medicover (extended to include dentistry) and FitProfit card Financing of technical certifications Unique work atmosphere in cohesive teams and participation in cyclical integration events Participation in various charitable and sports initiatives (e.g., company runs, chess tournaments, football matches) Free English lessons