Oracle DBA

paytech seeks an experienced Oracle DBA in Limassol or Wroclaw. Full-time office/hybrid. Manage Oracle RDS, APEX, PL/SQL, backups, performance in a fintech PCI DSS environment.

paytech is a dynamic fintech company dedicated to pushing the boundaries of innovation. We operate payment infrastructure across multiple isolated AWS accounts for several fintech products. The core stack is built on Oracle Database (AWS RDS SE2), APEX applications, and high-throughput transactional processing pipelines. We are looking for an experienced DBA who can operate under strict PCI DSS requirements, understands the nuances of cloud-hosted Oracle, and is ready to own database stability in production environments. Key Responsibilities: Develop and optimize Oracle SQL / PL/SQL: complex queries, procedures, functions, triggers, packages; performance tuning using AWR, ASH, EXPLAIN PLAN Manage database schemas: DDL migrations, partitioning, indexes, ETL processes, and secure PL/SQL development Administer Oracle APEX environments: upgrades, workspace management, application support, and performance troubleshooting Manage AWS RDS Oracle instances: provisioning, configuration, monitoring, backups, snapshots, PITR, storage, and performance optimization Perform data migration and replication tasks using Data Pump and AWS DMS (CDC) Design and maintain backup/recovery processes; handle restore, schema recovery, and migration scenarios Monitor and troubleshoot database performance: workload analysis, blocking, deadlocks, CPU/IO issues, and maintenance activities.

Must Have: 3+ years of DBA experience, with at least 2 years on Oracle DB Strong Oracle SQL and PL/SQL skills: packages, cursors, exceptions, dynamic SQL Hands-on experience with Oracle APEX (administration or application development) Practical experience with AWS RDS Oracle: provisioning, configuration, day-to-day management Solid understanding of backup and recovery strategies; experience with Data Pump Ability to read and interpret execution plans and AWR reports Comfortable working in a Linux environment (bash, cron, filesystem operations) Nice to Have: Background in fintech or payment systems; familiarity with PCI DSS requirements Experience with Oracle DMS, Kinesis, or other CDC solutions Exposure to Terraform / Ansible for IaC-driven database infrastructure management Familiarity with Prometheus, Grafana, or similar observability tooling Understanding of ORDS architecture and REST integrations via APEX Experience upgrading Oracle APEX across major versions.

Work with a serious enterprise stack: Oracle RDS, APEX, ORDS, AWS Technical ownership: architecture decisions are made collaboratively with the team Competitive compensation Growth path toward data architecture and cloud DBA roles Stable team, pragmatic processes, no unnecessary chaos A cozy office in Limassol — snacks, drinks, PS5, and a stunning rooftop kitchen view Sports and lunches compensation Team events, health insurance, nice perks, and work permit support.