All Services Programming & Development web development & design Database Design & Optimization $20/hr · Starting at $500 Improve application performance and ensure your core data is secure and reliable. I design and optimize both relational and non-relational database architectures, focusing on transaction safety, data integrity, and fast query performance. My goal is to build database systems that scale efficiently while supporting accurate reporting and high-speed data retrieval. About $20/hr · Ongoing Download Resume Improve application performance and ensure your core data is secure and reliable. I design and optimize both relational and non-relational database architectures, focusing on transaction safety, data integrity, and fast query performance. My goal is to build database systems that scale efficiently while supporting accurate reporting and high-speed data retrieval. Skills & Expertise Back End DevelopmentData ManagementDatabase DesignDatabase DevelopmentPerformance Engineering Related Work Collections Multi-Site IoT Sensor Network Dashboard 1 Reviews JOSEPHUS says, Great job! for Senior AI Engineer Needed on Jul 13, 2026 Browse Similar Freelance Experts Database DevelopersPython DevelopersBack End DevelopersNode.js DevelopersArtificial Intelligence (AI) ProgrammersData ManagersJavaScript DevelopersFront End DevelopersAPI Integration DevelopersHTML DevelopersResponsive Web DesignersSaaS DevelopersWeb DevelopersAWS DevelopersTypeScript DevelopersDatabase DesignersComputer ProgrammersSoftware DevelopersReactJS DevelopersPerformance EngineersNLP DevelopersNetworking ProfessionalsServer AdministratorsTailwind CSS Developers