Oracle Database Developer – Financial Markets

ING Hubs Poland; Województwo mazowieckie; On-site; PLN 150,000 - 190,000; Full time

Job summary

ING Hubs Poland is seeking an experienced data engineering professional to design, build, and maintain data workflows and Oracle-based data solutions powering transactional and near real‑time systems. You will implement high‑performance pipelines, develop automation, and collaborate across global teams in an Agile setup.

The role requires strong Oracle/SQL, PL/SQL, Python, and data integration skills, with a banking/financial markets background and knowledge of Exchange Listed products.

Qualifications

• Strong Oracle / SQL expertise with 5+ years
• Advanced PL/SQL development (stored procedures, packages, functions)
• Experience with triggers, views, materialized views and tuning
• Understanding of transaction management, locking and optimization
• Experience building middleware / data integration layers
• Python and shell scripting (5+ years) for automation and data processing
• Experience with near real-time or transactional systems
• Strong problem-solving and solution design skills
• Experience with Git and CI/CD pipelines (Azure DevOps a plus)
• Experience in banking / Financial Markets domain
• Knowledge of Exchange Listed products (Equities, Commodities)
• Familiarity with Agile / Scrum

Responsibilities

• 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

Skills

Oracle / SQL

PL/SQL

Python

Shell scripting

Data integration

Performance tuning

Real-time / transactional systems

Git

CI/CD (Azure DevOps)

Agile / Scrum

Banking / Financial markets knowledge

Exchange listed products knowledge

Tools

Git & CI/CD tools

Job description

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

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 with near real‑time or transactional systems
• Strong problem‑solving and solution design skills
• Experience with Git and CI/CD pipelines (Azure DevOps is a plus)
• 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
• Curiosity and continuous learning
• Drive to improve systems, teams, and ways of working
• 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".