Software Engineer
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Job Location:
Monthly Salary:
Posted on:
31-10-2025
Vacancies:
1 Vacancy
Job Summary
BA Markets wants to professionalise and streamline its activities with regards to data streaming. Therefore a new agile team has been created to build up a technical platform for BA Markets users to get a hub for all required streaming services.
The team will develop the service suite largely internally but will also rely on managed vendor services such as Databricks. The streaming technology used is Kafka.
Many BA Markets users are technically quite advanced so the central data streaming team must constantly keep up to date to deliver state of the art there will be constant development opportunities for the candidate and the candidate must be comfortable to work in a fast-changing international environment. The team consists of four members in Hamburg one member in Stockholm and should also have three colleagues in Poland.
What will you do
Your tasks and responsibilities:
- Hands-on development of integration services (such as client libraries) that allow up- and downstream stream data consumption/integration.
- Develop stream processing logic (e.g. via flink or Databricks). Handle joins windowing and stateful operations.
- Schema management: Implement Schema registry standard.
- Development of monitoring and error handling services.
- Development of other general services for e.g. archiving logging and monitoring role distribution and the application of data governance concepts.
- Data visualisation layer development.
- Containerization and Orchestration in AKS
Location
Katowice or remotely in Poland
Qualifications :
Who are you
As our Software Engineer you:
- Are flexible full stack developer
- Delivered several hands-on projects in Kafka Ecosystem in a software developer role and is very well versed in Python.
- Know general software system design (including fundamentals of events and streaming) and Basic Azure and basic front- end concepts.
- Are a proactive communicative team player. Fluent in English
Hard skills (the more the better):
- A few years of hands- on experience within the delivery of Kafka-based projects.
- Good Java Python programming skills.
- Knowledge of stream processing concepts and microservices architectures (e.g. in building stateless services that interact with Kafka RESTful APIs or Service orchestration patterns).
- Experience with Testing and QA concepts such as unit testing Kafka producers/consumers. integration testing with embedded Kafka or TestContainers or load testing and performance benchmarking.
- Containerisation and orchestration experience such as Docker and Kubernetes services.
- Experience with schema management is helpful.
Additional Information :
Our offer
Good remuneration a challenging and international work environment and the possibility to work with some of the best in the field. You will be working in interdisciplinary teams and you can always count on support from committed colleagues. We offer attractive employment conditions and opportunities for personal and professional development.
More Information
We welcome your application in English. We kindly request that you do not send applications by any means other than via our website as we cannot guarantee that we will be able to process applications that are not made via our website.
For more information about the recruitment process you are welcome to contact our recruiter Ewa Krajewska via
At Vattenfall we are convinced that diversity contributes to build a more profitable and attractive company and we strive to be good role model regarding diversity. Vattenfall works actively for all employees to have the same opportunities and rights regardless of gender ethnicity age transgender identity or expression religion or other belief disability or sexual orientation.
The security of Vattenfall and its employees is essential. For that reason a pre-employment screening will be part of your recruitment process. The screening is based on the role you will fulfill within Vattenfall. The screening will be performed by a third party DISA Global Solutions AB.
We look forward to receiving your application!
Remote Work :
No
Employment Type :
Full-time
Key Skills
- Spring
- .NET
- C/C++
- Go
- React
- OOP
- C#
- Data Structures
- JavaScript
- Software Development
- Java
- Distributed Systems
About Company
A brand that was created to be different, with truly global appeal. Our name and logo symbol are universal, recognised instantly in any geographical location regardless of language. Today were known as Three in the UK and Ireland, Drei in Austria, Tre in Sweden and Tri in Indonesia.
