Collaborating with the developers, you will contribute to the design, implementation, and optimization of solutions aimed at enhancing the database stack. The company is a global leader in electronic payments, providing innovative technological solutions for the financial sector. It specializes in delivering advanced payment services that support businesses in executing secure and efficient transactions worldwide.Your tasks Working on robustness improvement projects Participating in designing, implementing, and operating solutions to enhance the database stack together with developers Enhancing and automating database operations Developing the monitoring and alerting stack for the application databases Working on daily operational tasks, including database change management, query fine-tuning, and troubleshooting Providing tools to developers to become autonomous in their daily data operations Participating in rotating on-call duties Requirements Minimum of 5 years of Microsoft SQL Server experience in a HA environment Good knowledge of SQL Server in a high-availability setup Skills in SQL queries, performance tuning, and analysis Knowledge of PowerShell Good knowledge of various Git flows Excellent communication skills in English Fluent Polish required Residing in Poland required What we offer  Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas  Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market  We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022  Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more  Comfortable workplace – class A offices or remote work  Dozens of fascinating projects for prestigious brands from all over the world  PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers  Investment in your growth – meetups, webinars, training platform and technology blog – you choose  Fantastic atmosphere created by all Sii Power People  Join the Sii team – develop your skills, gain experience, and build your career!