Software Engineer

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 Software Engineer in the Data Science team, you will join a collaborative and technically curious group that supports machine learning modelling across the full value chain, from data engineering to MLOps. Your work will help bring models to life in production environments and ensure they deliver real impact.

What will you do?
Join a team where your engineering skills enable real-time intelligence in the energy markets.

Your Tasks And Responsibilities

• Productionize ML Models: Support the deployment and operation of ML models in production, ensuring robustness, scalability, and maintainability.
• DevOps & Infrastructure: Build and maintain CI/CD pipelines and cloud-native infrastructure to support the full model lifecycle.
• Containers & Microservices: Develop and manage containerized environments and microservices architectures using tools like Docker and Kubernetes.
• Full-Stack Development: Contribute across the stack, from backend services to UI components, ensuring seamless integration and usability.
• Tooling & Standards: Explore and implement modern development standards and tooling beyond Python, helping the team stay ahead of the curve.
• Collaboration: Work closely with data scientists, product owners, and stakeholders to align technical solutions with user needs and business goals.

Location
Katowice or remotely in Poland

Qualifications
Who are you?
We're after a technically driven mind who thrives on digging into tools, systems, and code. Someone who is excited to build robust software that supports intelligent decision-making.

As Our Software Engineer You Will Bring

• Proven experience in Python development, with a solid understanding of software engineering principles.
• Familiarity with DevOps practices, including CI/CD, containerisation (Docker), orchestration (Kubernetes), and cloud platforms (Azure, AWS, etc.).
• Interest or experience in UI development and creating user-friendly interfaces.
• A passion for exploring modern development practices and tools within the context of Data Science.
• Curiosity about the user experience and how technical solutions can better serve real-world needs.
• An academic degree in Computer Science, Software Engineering, or a related field.
• Fluency in English

Why Join Us?

• Work in a mission-driven team where your code directly influences real-time trading outcomes.
• Be part of a modern tech environment (Azure, Databricks, Kafka, Kubernetes).
• Strong work-life balance and supportive culture in an organization with deep expertise in math, tech, and energy.

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
Company Description
Vattenfall is a European energy company with approximately 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.