Oracle Database Developer – Financial Markets

ING Hubs Poland is hiring!

The expected salary for this position:

9 600 - 20 000 PLN - Engineer III

13 000 - 22 000 PLN - Engineer IV

The financial ranges specified in the announcement are adjusted and may differ from the range specified in the remuneration regulations.

Join ING Hubs Poland and build high-performance, mission-critical data and trading platforms used across global Financial Markets.

What you’ll do

• Design, build, and maintain data workflows, ETL/ELT pipelines, and integration processes
• Develop robust Oracle-based data solutions powering transactional and near real-time systems
• Implement high-performance, secure, and scalable data processing pipelines
• Build automation, monitoring, and testing frameworks for data workflows
• Collaborate with global teams in an Agile setup, driving continuous improvement
• Own your solutions end-to-end: design → implementation → testing → production support

What you bring

Core expertise

• Strong Oracle / SQL (5+ years)
  • Advanced PL/SQL development: stored procedures, packages, functions
  • Experience with triggers, views, materialized views, and performance tuning
  • Understanding of transaction management, locking, and optimization
  • Experience building database-centric middleware / data integration layers
• Python & shell scripting (5+ years) for automation and data processing
• Experience designing data pipelines (ingestion, transformation, modelling, storage)
• Experience with near real-time or transactional systems

Engineering mindset

• Strong problem-solving and solution design skills
• Experience with Git and CI/CD pipelines (Azure DevOps is a plus)
• Comfortable working in distributed, international teams

Domain & extra points

• Experience working in banking (5+ years), ideally Financial Markets
• Knowledge of Exchange Listed products (Equities, Commodities)
• Familiarity with Agile / Scrum

What we value

• Ownership and accountability
• Clear, open communication
• Curiosity and continuous learning
• Drive to improve systems, teams, and ways of working

Why join us

• Work on real-time trading platforms with global impact
• Combine deep Oracle engineering with modern data tooling
• Grow in a culture that values craftsmanship, autonomy, and learning

The role naming convention in the global ING job architecture will be “Engineer III" or "Engineer IV".