from Ukraine
See my story
from Portugal
See my story
from Colombia
See my story
from Italy
See my story
from Mexico
See my story
from Denmark
See my story
beign your career journey with accenture

Commerzbank – Digital Technology Centre in Poland
Commerzbank – Digital Technology Centre in Poland
location iconLocations: Łódź
level iconLevel: specialist
(Senior) Big Data Python Developer

About work in our team

Commerzbank is a leading international commercial bank with branches and offices in almost 50 countries.

The world is changing, becoming digital, and so are we. 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.

For that type person we have role waiting for you as a Senior Big Data Python Developer for Sales Analytics Cluster.

The Sales Analytics cluster as a part of the BDAA key area services the segments corporate customers as well as private and business customers. We combine and consolidate the bank's data in our Data Lake to identify customer needs and transform them to sales opportunities using customized analytical models.

In your role as a Senior Big Data Python Developer you are responsible for the new and further development of the cluster's products. You'll use the latest Big Data and Cloud technologies to process large amounts of data on our Data Lake and deliver services on premise or in the cloud. In cross-functional teams and using appropriate technology tools, you generate useful IT products for the entire company. You develop new models with business experts and work hand-in-hand with data scientists to integrate their products and results into the system landscape. The co-design of this system landscape, as well as rapid prototyping, testing and evaluating new technologies is part of your tasks. You always have an eye on the overall picture, realize synergy effects beyond problem solving and create added value for the entire cluster beyond the team.



and multicultural
and German
26 days of holiday
from the very
and health insurance
Lunch card

Main tasks

  • Working in a cross-functional cell
  • E2E responsibility of the development process from ideation to handover to production with hand-in-hand cooperation with the operations colleagues
  • You will develop new models with business experts
  • You will use the latest Big Data and Cloud technologies to process large amounts of data on our Data Lake and deliver services on premise or in the cloud
  • 3rd-level support: Solving of incidents, bug fixing and supporting the operation engineers
  • Support the whole development stack, e.g. design, coding, package-building, testing, RO-preparation and documentation


  • Good knowledge of Python
  • Knowledge of Apache Spark
  • Knowledge of ETL processes
  • Knowledge of SOA, Web services, REST API
  • Relational (SQL, Postgres is an asset) and non-relational database solutions
  • GIT

Nice to have:

  • Qlik
  • Hive / Hbase / HDP
  • Experience with the cloud applications such as GCP – Google Cloud Platform (preferred), AWS, Azure or Kubernetes
  • Container technology such as Docker
  • Experience with Hadoop ecosystem or willingness to learn
  • Experience with CI/CD and DevOps setup
  • Data warehouse
  • Scheduling tools (like Cron, UC4 or similar)
  • Jira/Confluence

Foreign language skills:

  • English B2 level mandatory
  • German optional

Please add the following disclaimer to your application:

1. I consent to the processing of personal data contained in this document by Commerzbank AG with its registered office in Frankfurt am Main, Germany, 60261 Kaiserplatz, 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.
2. 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 to my personal data and about the right to correct, rectify and delete it.


  • iconIT
  • iconEnglish
  • iconŁódź, łódzkie

Company profile

  • About us
  • Job offers (32)

selected offers

Career Opportunities for Danish Speakers
flag English, Danish
Career Opportunities for Czech / Slovak Speakers
flag English, Czech, Slovak
Career Opportunities for Swedish Speakers
flag English, Swedish

Do you want to be always up to date?

Create job alert and start getting similar offers directly to your mailbox!