Confirmed on the employer's own hiring board on Sep 23, 2026. First seen by Alion on Sep 21, 2026.
Senior Data Engineer
About the role:
We are currently looking for a Senior Data Engineer to join our client, a dynamically growing company in the banking industry. In this role, you will be responsible for building and optimizing data pipelines, integrating systems, and ensuring top-tier data quality and availability.
Key details:
Rate: Up to 145 PLN / hour (B2B)
Work model: Hybrid (3 days a week in the office)
Location: Warsaw, Gdynia, or Gdańsk
Contract: B2B agreement signed directly with Optiveum
Your responsibilities:
Designing and building ETL processes and data pipelines for integrating data across various systems.
Enabling reliable and secure data sharing between applications.
Ensuring data quality, consistency, and high availability.
Monitoring, troubleshooting, and optimizing pipeline performance.
Collaborating closely with engineering and business teams to gather and fulfill data requirements.
Requirements:
Strong experience with data storages, with a mandatory focus on SQL Server.
Proficiency in database programming using SQL, PL/SQL, or T-SQL.
Solid experience in data modeling.
Hands-on experience with Kafka and APIs.
Proven track record of building ETL/Data Pipelines and a deep understanding of various data technologies.
Strong overall understanding of Data and the broader Data Landscape.
Fluent English (B2/C1 minimum) allowing for seamless communication in an international environment.
Nice to have:
Experience with Snowflake and AWS S3 storage.
Knowledge of DB2.
What we offer:
B2B agreement signed directly with Optiveum (we are your contracting and recruitment partner).
Transparent working conditions and dedicated support from our team throughout the duration of the project.
Opportunity to work in an international, highly collaborative environment.
Access to benefits including private medical care, life insurance, and a Multisport card.
Regular teambuilding events.

