Senior Oracle Database Developer
Summary
Senior Oracle Database Developer at Avenga, an international engineering firm, working on critical banking systems and integrations in Poland. Day to day: designing and tuning Oracle SQL/PL/SQL, optimizing performance, supporting system-to-system integrations, and resolving production issues.
Avenga is an international engineering firm helping businesses operate with AI at the core. With 6,000+ experts worldwide, we combine engineering expertise with AI-native thinking to turn ambitious ideas into real-world impact across industries, technologies, and markets.
At the core of the role
We are looking for an experienced Oracle Database Developer to join a team responsible for critical banking systems and integrations. This role is ideal for a professional who enjoys working with large-scale databases, performance optimization, complex integrations, and high-availability transactional environments.
Core skills you’ll bring
Oracle Database
Oracle Database 12c / 19c / 21c
Advanced SQL
Analytical queries
CTE
MERGE
PL/SQL
Procedures
Functions
Packages
Triggers
Exception handling
Data modeling
Performance tuning and indexing
Table partitioning
Oracle Scheduler
Oracle Data Pump
Schema and database object management
Performance & Troubleshooting
Query execution plan analysis (EXPLAIN PLAN)
AWR Reports
ASH Reports
Session monitoring
Lock and deadlock analysis
SQL performance tuning
PL/SQL optimization
Integration & Data Exchange
REST API
SOAP
XML / XSD
JSON
Oracle AQ
Message queues
ETL processes
System-to-system integrations
Linux / Unix
Linux command line
Bash scripting
Log analysis
Cron jobs
Process diagnostics
SCP / SFTP file transfers
Development Tools
Git
Azure DevOps or Jenkins
CI/CD pipelines
Jira
Confluence
SQL Developer
TOAD
Security
Oracle privileges, roles, and grants
Data encryption
Access auditing
GDPR compliance
Sensitive data management
Banking Knowledge
Transaction processing systems
High Availability (HA)
Disaster Recovery
Batch processing
Payment systems (ELIXIR, Express ELIXIR, SEPA, SWIFT)
Core banking system integrations
The impact you'll create
Design, develop, and maintain Oracle database solutions
Create and optimize SQL and PL/SQL code
Develop procedures, functions, packages, and triggers
Analyze and optimize database and application performance
Support integrations between banking systems
Investigate and resolve production issues
Participate in deployments and releases
Cooperate with analysts, testers, and DBAs
Prepare technical documentation and effort estimations
People are at the core of Avenga. We provide equal opportunities regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to a respectful environment where everyone can be themselves, share their ideas, and feel that they belong.