Grzegorz Kalwig is a Senior Systems/DevOps Engineer and AWS User Group Leader at EPAM Systems. He is an enthusiast of AWS and serverless technologies, often speaking at IT conferences. He is an active member of the AWS community, leading the AWS User Group 3city in Poland. Kalwig frequently posts on LinkedIn about his work with AWS, PostgreSQL, and DevOps.He believes in the power of collaboration to create dynamic experiences and is passionate about sharing knowledge with the community. Kalwig has been involved in organizing AWS Community Day events, such as the one planned for January 2024 in Ahmedabad, India