Oracle Database Developer – Financial Markets

ING is hiring an Oracle Database Developer – Financial Markets. Level rates it ; you can apply on ING.

Level's read on this job

Level rates this role Little AI ●○○○: aI is not part of the work.
The posting mentions Oracle, Pl SQL and Python among its tools and skills.
Level classes it as a senior role.
ING has 658 other open roles on Level.

AI in this role

Oracle Database Developer designing mission-critical data platforms and ETL pipelines for Financial Markets at ING.

OraclePl SQLPythonGitAzure DevOps

etlsqldata-pipelinesdatabase-tuningshell-scripting

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".

How we rate this

Oracle Database Developer – Financial Markets at ING rates 0 out of 100 for how much of the daily work is AI. That makes it Little AI (AI Level 1 of 4). The level is about AI in the job, not seniority.

Classification

Little AI. AI is not part of the work.

●●●● Builds AI80 to 100
●●●○ Works on AI60 to 79
●●○○ Uses AI40 to 59
●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.

Key facts

Oracle Database Developer – Financial Markets is an open job at ING.
Level rates this role AI Level 1 of 4: Little AI.
The role is based in Katowice (Zabrska 19).
The job was posted on July 21, 2026.
Seniority: senior.
Applications are handled by ING. Apply on ING

Prepare for this job

Built from this posting and from similar jobs on Level.

Skills and AI tools this role asks for

ETLSQLData PipelinesDatabase TuningShell ScriptingOraclePl SQLPython

Questions you could be asked

Tell me about a project where etl was part of your work. What did you do?
Tell me about a project where sql was part of your work. What did you do?
Tell me about a project where data pipelines was part of your work. What did you do?
Tell me about a project where database tuning was part of your work. What did you do?
Tell me about a project where shell scripting was part of your work. What did you do?

Adapt your resume

List these exact terms on your resume: ETL, SQL, Data Pipelines, Database Tuning, and Shell Scripting. An applicant tracking system matches the wording, not the idea.
Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.

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