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.ResponsibilitiesCraft and refine advanced SQL queries to support reliable storage and fast access to dataFollow best engineering practices, such as automated testing, clean and maintainable code, and thoughtful design choicesContribute to architectural discussions and work closely with peers to influence technical directionGuarantee data reliability, availability, and high performance throughout the systemRequirementsDeep 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 decisionsOpenness to working in Golang and Java; experience in Golang, Java or other programming languages is advantageousA structured, analytical approach with focus on building sustainable and high-quality solutionsStrong communication and teamwork skills, with the ability to collaborate effectivelyNice to HaveBackground in handling performance optimization and working with sizable datasetsUnderstanding of database architecture and data modeling conceptsOferujemyContract: B2B with polish companySalary: up to 250 pln/h100% remotePolish time zonePolish public holidaysLong term cooperation