Software Engineer

Vattenfall; Katowice; Hybrid; PLN 180,000 - 240,000; Full time

Job summary

A European energy company seeks a skilled professional for a data streaming role based in Katowice or remotely in Poland. Responsibilities include hands-on development of integration services using Kafka and Python, along with stream processing and schema management. The ideal candidate has experience with containerization, monitoring services, and is fluent in English. This position offers a challenging international work environment with opportunities for professional development and attractive employment conditions.

Benefits

Good remuneration

International work environment

Opportunities for personal and professional development

Qualifications

• Experience delivering Kafka-based projects.
• Knowledge of microservices architectures.
• Familiarity with testing and QA concepts.

Responsibilities

• Develop integration services for stream data.
• Implement schema management standards.
• Build monitoring and error handling services.

Skills

Hands-on development in Kafka

Proficient in Python

Team player

Fluent in English

Tools

Docker

Kubernetes

Databricks

AKS

Job description

• Type of Employment (Career Site): Full‑time only

Company Description

Vattenfall is a European energy company with approximately 21 000 employees. For more than 100 years we have electrified industries, supplied energy to people’s homes and modernized our way of living through innovation and cooperation. We are looking for talented individuals who, in addition to their passion for their own role, also have strong team spirit and want to contribute to supporting a meaningful corporate mission.

Job Description

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 services. So, 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.
• Containerization and Orchestration in AKS

Location Katowice or remotely in Poland

Qualifications

Who are you?

• 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 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.
• 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 [e-mail]

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!