Having a strong technical background, he develops solution concepts based on the client's vision. Through definition of their problems and business requirements, Krzysiek can provide specifications according to which the solution will be developed. Having experience in the public utilities and FMCG sectors has provided him with in-depth industry-specific knowledge and a broader perspective. Gaming and reading science fiction books are among his hobbies.

At Sii, Leszek helps clients improve their data culture by presenting modernization stages and a data-driven approach using Microsoft Data Platform and Analytics tools. He delivers both on-premises and cloud solutions. In his free time, he enjoys diving and observing marine life, such as triggerfish, giant morays, sharks, and manta rays in their natural habitat.

Przemek implements and supports client development in the area of data analysis focusing his attention on creating solutions in the reporting area. With his problem identification skills and project experience, he provides precise specifications that form the foundation of the projects being developed. His experience in the insurance, finance and manufacturing sectors brings expertise and a wide range of solutions to projects. Przemek is an expert in reporting and data analysis, which allows him to effectively support decision-making processes, transforming data into valuable information. In his spare time, he plays computer games and enjoys sports.

As an Architect at Sii Poland, Maciej applies his 15 years of experience in data integration to deliver efficient solutions that meet client expectations and business requirements. He is a certified Informatica Developer and Administrator, and holds strong technical skills in Informatica, various databases and data integration in general. Maciej also has a proven track record of leading and managing teams of developers, consultants, and analysts in various data integration projects, using Agile methodology (Scrum) and best practices. He enjoys sharing my knowledge and expertise, coaching and mentoring others and helping them grow as well as facilitating collaboration and communication among stakeholders.

His previous experience in marketing and sales within the FMCG sector has given him a valuable perspective on understanding client problems and needs. Currently, he works as a BI developer specializing in SQL and Power BI in both cloud and on-premises environments. His responsibilities include data analysis and creating innovative solutions using SQL. Additionally, Dariusz provides training in Power BI and advanced visualization to both external clients and fellow Sii employees.

Marcin is an experienced data integration (ETL) specialist with years of experience in designing and implementing solutions based on Informatica (PC, IICS), Snowflake, AWS, Denodo technologies and databases such as MS SQL Server, Oracle and DB2. He has extensive experience in data migration from various on-premise platforms to the cloud (Snowflake), as well as in building complex data warehouse solutions. Marcin has worked on projects for a number of international clients, including pharmaceuticals (Pfizer, Roche), telecommunications (Finnish Telekom) and logistics (Hapag-Lloyd).