We are looking for an experienced full-stack developer with a dominant overlap in the backend (approx. 70% Node.js), who will take on the role of technical leader in the development of complex data-oriented applications. You will participate in the design of the solution, influence the architecture and at the same time act as a link between technology and business. We work on systems that process large volumes of data and help companies make key decisions. In addition to the development of new functionalities, performance, scalability and long-term sustainability of the solution are essential for us. We are looking for someone who does not just want to write code, but thinks in the context of the entire product, can take ownership of part of the solution and at the same time communicate clearly with both the team and business stakeholders.