Client: US based technology companyExperience in delivering web applications in a comprehensive way - taking care of databases, code quality and coding best practices, and testing.Responsibilities Craft and refine advanced SQL queries to support reliable storage and fast access to data Follow best engineering practices, such as automated testing, clean and maintainable code, and thoughtful design choices Contribute to architectural discussions and work closely with peers to influence technical direction Guarantee data reliability, availability, and high performance throughout the system Requirements Deep knowledge of SQL with hands-on experience in relational database systems (PostgreSQL is especially valued) Demonstrated ability to deliver robust, production-level solutions and make sound engineering decisions Openness to working in Golang and Java; experience in Golang, Java or other programming languages is advantageous A structured, analytical approach with focus on building sustainable and high-quality solutions Strong communication and teamwork skills, with the ability to collaborate effectively Nice to Have Background in handling performance optimization and working with sizable datasets Understanding of database architecture and data modeling concepts Oferujemy Contract: B2B with polish company Salary: up to 250 pln/h 100% remote Polish time zone Polish public holidays Long term cooperation