paytech
Wroclaw, Poland
paytech is a dynamic fintech company dedicated to pushing the boundaries of innovation in the industry.
About the Role:
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 Database Administrator 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:
Oracle SQL / PL/SQL
Design and optimize complex SQL queries, stored procedures, functions, triggers, and PL/SQL packages;
Analyze and tune query execution plans using EXPLAIN PLAN, AWR, ASH; resolve performance bottlenecks;
Manage database schemas: DDL migrations, table partitioning, index lifecycle management;
Develop and maintain ETL processes and batch...