Data Engineer (BigQuery / GCP) (m/f/d)

Commerzbank Digital Technology Centre Poland; Łódź; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Development Plans

Life insurance

Flexible working hours

Integration events

Job summary

Commerzbank Digital Technology Centre Poland is seeking a Data Engineer to develop and optimize BigQuery datasets and ELT/ETL pipelines in a hybrid setup in Łódź. You will model data for analytics, implement data quality checks, and document lineage for curated datasets.

The role requires collaboration with business and IT stakeholders to translate requirements into technical specs, while ensuring operational stability, security, and automated testing processes.

Qualifications

• Experience building and optimizing ELT/ETL pipelines.
• Ability to model data for analytics and ensure data quality.
• Collaborate with stakeholders to translate requirements into technical specs.

Responsibilities

• Develop and optimize BigQuery datasets, views and queries (partitioning, clustering, materialized views) to meet performance and cost targets.
• Build and maintain ELT/ETL pipelines into BigQuery (e.g., via Cloud Storage, Pub/Sub, Dataflow, Dataproc, or vendor sources), including monitoring and error handling.
• Model data for analytics (dimensional and/or data vault concepts) and define data quality checks, lineage and documentation for curated datasets.
• Collaborate with business and IT stakeholders to translate requirements into technical specifications, implement changes, and support testing and release activities.
• Ensure operational stability and security (IAM, service accounts, dataset access, auditability), troubleshoot incidents, and continuously improve reliability and automation.

Skills

BigQuery

SQL

GCP Data Engineering

Python

Git CI/CD

Job description

Join our team as a Data Engineer!

Our team is part of Cost Processing & Transactions cluster. The cluster provides standard reporting for controlling group costs, processes the accounts payable and travel expense reports, and makes the system landscape available to numerous customers in the CFO department. We are a diverse international team with around 150 employees in Frankfurt, Bremen, Hamburg, Lodz and Prague and have clients in Germany and abroad. We are responsible for around 200 accounting and controlling processes and 45 IT products, from A as accounting to Z like Zet-Visions, and are therefore active in the heart of Commerzbank. With systems created by our team we are meeting demands which cannot be met by “box” products. We develop and maintain applications used in controlling environment (group and segment controlling) which provide planning, analysis and reporting functions. Working close with business we are able to quickly adapt them to current regulations and needs.

You Will Be Responsible For

• Develop and optimize BigQuery datasets, views and queries (partitioning, clustering, materialized views) to meet performance and cost targets.
• Build and maintain ELT/ETL pipelines into BigQuery (e.g., via Cloud Storage, Pub/Sub, Dataflow, Dataproc, or vendor sources), including monitoring and error handling.
• Model data for analytics (dimensional and/or data vault concepts) and define data quality checks, lineage and documentation for curated datasets.
• Collaborate with business and IT stakeholders to translate requirements into technical specifications, implement changes, and support testing and release activities.
• Ensure operational stability and security (IAM, service accounts, dataset access, auditability), troubleshoot incidents, and continuously improve reliability and automation.

Which technology & skills are important for us?

• High knowledge of BigQuery / SQL
• Good knowledge of GCP Data Engineering

Nice To Have

• Basic Python knowledge
• Basic knowledge of Git / CI/CD

How?

Hybrid on Ogrodowa 8 street (Łódź)

What we offer?

Of course, we offer Development Plans for employees Life insurance, flexible working hours, integration events and much more

• * * Below you can find more information about Commerzbank

Commerzbank

Commerzbank is a leading international commercial bank with branches and offices in almost 50 countries. The world is changing, becoming digital, and so we are. We are leaving the traditional bank behind us and are choosing to move forward as a digital enterprise. This is exactly why we need talented people who will join us on this journey. We work in inter-locational and international teamwork in agile methodologies.

Please Add The Following Clause To Your Application

• I consent to the processing of personal data contained in this document by Commerzbank Aktiengesellschaft with its registered office in Kaiserstrasse 16, 60311 Frankfurt am Main, Germany, operating through the Branch in Poland with its registered office in Łódź, 91-203 Łódź, ul. Wersalska 6, KRS 0000631053, for the implementation of the current recruitment process and for the future recruitment for a period of 6 months, in accordance with the Regulation of the European Parliament and of the Council (EU) 2016/679 of 27 April 2016 on the protection of individuals with regard to the processing of personal data the free flow of such data and the repeal of Directive 95/46 / EC (RODO) and in accordance with the Act of 10 May 2018 on the protection of personal data (Journal of Laws of 2018, item 1000). I provided my personal data voluntarily and I declare that they are truthful. I have the right to withdraw this consent at any time. The withdrawal of consent shall not affect the lawlessness of processing based on consent before its withdrawal.
• I have read the content of the information clause, including information about the purpose and methods of processing personal data and the right to access my personal data and about the right to correct, rectify and delete it.