Opportunity Data Engineering work from LinkedIn, X, Reddit and Upwork, in one list. Find me work
dataroles

Data Engineer (Oracle)

GFT Technologies gft.com Open
Warszawa Mid-level Data Engineering

At a glance

Mid-level Data Engineering role at GFT Technologies. Warszawa.

Pay not stated Data Engineer salary

RoleData Engineering
SeniorityMid-level
LocationWarszawa
PostedSep 30, 2026
Role brief

dataroles summary, based on the employer's posting.

What you'll do

  • Build and maintain Oracle PL/SQL procedures, functions and packages for database solutions
  • Handle data-feed ingestion work, including validation, transformation and rejection processing
  • Investigate database problems and improve SQL and PL/SQL performance
  • Test data flows end to end, check discrepancies and support data quality
  • Gather stakeholder needs, contribute to database design and keep technical documentation current

What you bring

  • At least three years working with Oracle databases
  • You can develop PL/SQL routines and optimize SQL queries
  • You understand database design and can troubleshoot database issues
  • You can carry out testing and validation, with strong analytical and collaboration skills

Who this fits

This role suits a mid-level data engineer with hands-on Oracle and PL/SQL experience. Hybrid work involves two office days per week at a listed Poland location, with the option to work abroad for up to 140 days per year.

From the employer

Salary range:11700 – 18700 PLN gross

What will you do?

You will join a team responsible for onboarding and integrating new data feeds from upstream systems into internal source databases. The project covers the complete data ingestion lifecycle, including filtering, parsing, validation, transformation, and rejection handling. You will support the development and maintenance of Oracle database solutions, contribute to data quality initiatives, and help ensure reliable data delivery across the organization.

Your tasks

  • Develop and maintain PL/SQL procedures, functions and packages
  • Support data ingestion, validation and transformation processes
  • Analyze and troubleshoot database-related issues
  • Optimize SQL queries and PL/SQL code
  • Participate in end-to-end testing activities
  • Collaborate with stakeholders to gather requirements and resolve issues
  • Monitor data quality and investigate data discrepancies
  • Support database design and development activities
  • Contribute to technical documentation

Your skills

  • At least 3 years of experience working with Oracle databases
  • Good knowledge of PL/SQL development
  • Experience writing procedures, functions and packages
  • Knowledge of SQL query optimization
  • Understanding of database design principles
  • Experience troubleshooting database issues
  • Ability to perform testing and validation activities
  • Strong analytical and problem-solving skills
  • Good communication and collaboration skills

Nice to have

  • Experience with performance tuning
  • Experience with data integration or ETL processes
  • Knowledge of data quality principles
  • Experience working in Agile teams
  • Understanding of data ingestion pipelines

We offer

  • Hybrid work in one of our locations: Lodz, Poznan, Krakow, Warsaw, Wroclaw (2 office days per week)
  • Working in a highly experienced and dedicated team
  • Benefit package tailored to your needs (medical, sport, lunch subsidy, life insurance, etc.)
  • Online training and certifications
  • Access to e-learning platform
  • Work From Anywhere (up to 140 days/year abroad)
  • Social events

Opportunity

Data Engineering work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Data Engineering

Find me work

By the team behind dataroles.

Find me work
Opportunity

Data Engineering work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Find me work

By the team behind dataroles.