XTB is a global company from the financial industry, focusing on online trading of financial instruments. We are the largest FinTech in Poland and a leader in Central and Eastern Europe, and the range of our operations covers several countries, including Asia and South America. At XTB, we focus on the development of our employees, giving them opportunities to gain knowledge and skills in various fields, as well as offering a number of training and development programs. If you are looking for challenges and want to gain valuable experience in an international business environment, XTB is the right place for you. We are a certified Great Place to Work company.We are looking for a professional to join our team as an Engineering Team Leader - Data Platform. This role combines strong technical expertise with leadership skills. The primary responsibility of the Data Platform team is to maintain and further develop an on-premise data warehouse and to lead its target migration to a cloud environment (Snowflake).The team consists of Data Engineers and BI Engineers and works within the Scrum framework. The Team Leader we are seeking will support the Technology and Product departments in the process of data acquisition and processing.Responsibilities Leading, mentoring, and developing a small Data Platform team, Monitoring day-to-day work and supporting the resolution of technical issues, Ensuring delivery of development tasks in line with established technological standards, Identifying and mitigating obstacles in the delivery process that impact the quality of solutions, Collaborating with other teams to design optimal solution architectures, Defining and monitoring key quality and performance indicators. Requirements Minimum 5 years of experience as a Data Engineer / DWH Developer, Minimum 2 years of experience in a leadership role, Strong knowledge of Python and SQL, including T-SQL, writing complex stored procedures, and performance optimization, Experience in building ETL processes (SSIS, SSRS, ADF), Knowledge of cloud solutions (Snowflake, Azure, GCP), Experience in designing data architectures both on-premise and in the cloud, Experience in projects involving data migration from on-premise to cloud (databases such as PostgreSQL, MS SQL, MongoDB), Proficiency in working with Git and building CI/CD pipelines, Experience in building scalable, real-time Data Lake solutions, Experience delivering projects end-to-end, from architecture to deployment, Ability to work effectively with cross-functional teams, Ability to work with remote teams. Nice to have Experience with streaming data processing (Kafka), Knowledge of Data Mesh concepts. What we offer Leading, mentoring, and developing a small Data Platform team, Monitoring day-to-day work and supporting the resolution of technical issues, Ensuring delivery of development tasks in line with established technological standards, Identifying and mitigating obstacles in the delivery process that impact the quality of developed solutions, Collaborating with other teams to design optimal solution architectures, Defining and monitoring key quality and performance indicators. Benefits Real impact on the development of the company and the product, Work in an experienced team that actively shares knowledge, A clear development vision supported by regular feedback and transparent career paths, Training budget for courses and conferences of your choice, An additional day off on your birthday, An additional day off for parents, Equipment tailored to your needs, Private medical care and group insurance, Access to an e-learning platform for learning English and a benefits platform, Access to a wellbeing platform, including workshops and private therapy sessions, Remote work, work from our Warsaw office, or from a coworking space in your city, Regular team integration events.