Database Administrator

Company Description Dejavoo delivers end-to-end payment solutions through a single, integrated ecosystem. The company provides secure payment terminal products, cloud systems, and cloud-based back-office applications designed to streamline payment operations. Its offerings also include inventory control applications and custom payment software that support diverse business models. By focusing on innovation and security, Dejavoo helps organizations manage payment processes efficiently and reliably. Team members collaborate in a technology-driven environment that supports continuous improvement and practical problem-solving. # Job Title: Database Administrator (DBA) **Experience Required:** 3+ Years **Primary:** MariaDB Galera Cluster **Secondary:** MongoDB ## Job Summary We are seeking a Database Administrator (DBA) with 3+ years of experience to manage and support our **MariaDB Galera Cluster (primary responsibility)** and **MongoDB (secondary responsibility)** environments. The candidate will be responsible for ensuring database performance, availability, security, and reliability in production systems. ## Key Responsibilities * Manage and monitor **MariaDB Galera Cluster** to ensure high availability and cluster stability * Perform basic performance tuning and query optimization * Handle database backups, restores, and routine maintenance * Support MongoDB (replica sets) administration and monitoring * Troubleshoot database issues and coordinate resolutions * Implement database security and access controls * Work closely with application and DevOps teams Required Skills * 3+ years of experience as a Database Administrator * Hands-on experience with **MariaDB / MySQL (Galera Cluster preferred)** * Basic to intermediate knowledge of **MongoDB** * Strong SQL knowledge and understanding of indexing * Experience working in Linux environments * Good troubleshooting and communication skills