Software Engineer in Modelling

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.  

Right in the heart of Vattenfall, at Business Area (BA) Markets, you will find an inspiring international environment, with a culture of care and personal growth, enabling you to be who you are, having fun, building strong relationships and learning every day. Find out what our colleagues think about our culture: 

We employ around 500 professionals who are active across Europe with offices in Sweden, Germany, The Netherlands, and the United Kingdom to drive the energy transition together. Our role in Vattenfall is to maximize the value of the overall portfolio by optimizing and dispatching, hedging, and sourcing for Vattenfall's sales and generation volumes. We serve as Vattenfall's single access to energy commodity markets and trade electricity, emissions, fuels, freight, and renewable certificates.  

In BA Markets the mission of the Unit OU Operations is to drive the digital transformation. OU Operations consists of diverse and highly skilled employees from more than 20 countries. We work internationally from our locations in Stockholm, Hamburg and Amsterdam.

Job Description

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

The job

As a Software Engineer in the Flex Pricing team you will join a collaborative Scrum team of Analysts who develop valuation models for batteries and other type of energy assets with flex value. In a strong mathematical team you take technical ownership but also need to develop an understanding the maths behind the models and be curious about their commercial impact.

We offer an exciting and challenging job where you work close to the business as well as with state-of-the-art modelling infrastructure. The position offers a mix of IT and analytical tasks and close cooperation with the front office, which provides a solid commercial understanding and context to our operating markets.

What You Will Do

• Data & Infrastructure: As a tech lead you should rase coding standards of the team, shaping the architecture of the models, design and maintain reliable data pipelines and support team members to improve software quality and maintainability.
• Models: Maintain and improve our forward curve models and valuation models for e.g. battery storage systems and gas storages and swing options by translating mathematical models into production-quality code.
• Pricing: Provide valuation / pricing output for battery storages, gas storages and swing options and support our stakeholders' understanding what drives the value
• Collaboration: Work closely with team members, other tech leads, and stakeholders to align technical solutions with user needs and business goals.

Qualifications

What We Are Looking For

• Proven experience in Python development, with a solid understanding of software engineering principles.
• Familiarity with DevOps practices, including CI/CD pipelines, Docker containers, orchestration (Kubernetes), and cloud platforms (Azure, AWS or similar).
• Ability to understand mathematical concepts and implement them in code.
• Strong communication skills and the willingness to interact with colleagues, stakeholders and other data-driven departments
• An academic degree in Computer Science, Software Engineering, Maths, Physics, Engineering or a related field.
• Fluency in English

Additional Information

Benefits

Your development is a priority at Vattenfall BA Markets. Your professional journey will benefit from working in the exciting industry of energy trading, and in interdisciplinary teams. To support your career, we offer opportunities to grow through training, job rotations, talent programs and a working environment that stimulates learning.

Our work culture at Vattenfall is excellent. We have an open corporate culture with flat hierarchies. Modern and flexible working conditions, including mobile work, promote wellbeing. In Germany, our work week consists of 37.5 hours with, in many cases, the possibility to work part-time. Up to 49% of your working time can be mobile work, and you are entitled to 30 days of vacation per year.

Your health is important to us. We provide several health programs and support throughout potentially challenging life situations.

Your colleagues will be another highlight. We employ inspiring people with diverse backgrounds. Together with our culture and your tasks, they form an interesting and fun place to work.

You can find our new state of the art office next to Elbbrücken.

More information 

We welcome your application in English, no later than January 15th, 2026. 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 Jil Ungethüm via phone at

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, called DISA. In addition, a certificate of good conduct (i.e. criminal record certificate) is required for certain positions.

 

We look forward to receiving your application 

Workplace type (LinkedIn): HybridType of Employment (Career Site): Full-time only

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