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. 

At Vattenfall, we don’t just “do energy”, we exist to help our customers power their lives in ever climate smarter ways and enable a fossil free future. If you are looking for interesting challenges and the opportunity to be part of this change, then join our diverse and talented team and make a difference! 

At Business Area Markets, business decisions are made around the clock with high frequency, creating vast potential for intelligent automation. 

As our new Data Engineer in the Data Science team, you will join a collaborative and skilled team that drives automation of real business cases through data-driven and Machine Learning-based intelligence. We work in a Scrum setup and have in the past years been very successful in forecasting both electricity prices and electricity consumption. Your work will have direct and measurable impact! 
 
What will you do? 
 
Your tasks and responsibilities: 

• Designing, maintaining and monitoring real-time and batch data pipelines using Azure, Databricks, and Python. 
• Ingesting and processing external data feeds like weather, market prices, and grid telemetry with high reliability. 
• Collaborating with Data Scientists and ML Engineers to build and maintain feature pipelines. 
• Implementing data quality checks, validation, and lineage tracking for trustworthy forecasts. 
• Working with streaming technologies such as Kafka, Spark Structured Streaming, and Flink. 
• Continuously improving data workflows to make it easy for model development 

Location  
Katowice or remotely in Poland

Who are you? 
As our Data Engineer you will bring:

• Strong Python and SQL skills for building efficient data transformations. 
• Experience with cloud data platforms (Azure, Databricks) and scalable data solutions. 
• Familiarity with streaming systems (Kafka, Spark, Flink) and orchestration tools (Airflow). 
• Understanding of DevOps practices, CI/CD, and automation. 
• Exposure to containerized and orchestrated environments (Docker, Kubernetes). 
• Awareness of challenges with data contracts, replayability, and time-series 
• Comfortable with Infrastructure-as-code practices 
• Curiosity for the energy domain and enthusiasm for enabling data-driven trading. 
• Fluency in English. 

Why Join Us? 

• Deliver data that powers real-time trading algorithms in one of the most dynamic markets. 
• Work with modern data tech (Databricks, Kafka, Flink, Kubernetes). 
• Collaborate with experts across data science, ML engineering, and trading. 
• Strong work-life balance and culture of innovation within a company committed to a fossil-free future. 

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 [email protected]

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!