Senior Software Engineer

⚡️ What We Do
Flower is Flexible Power. We are a next-gen energy company leveraging AI and machine learning to make renewable energy stable and always available – even when the sun isn’t shining and the wind isn’t blowing.

Through smart optimization and trading of energy assets like wind and solar farms, battery systems, and EV chargers, we make renewable energy reliable and predictable, leading the charge towards the energy system of tomorrow.

🌟 Who We Are
Tech company at heart – purpose in our DNA. Flower consists of a diverse group of innovative individuals with a strong desire to improve the state of the world.

At Flower, we believe trust, collaboration and diversity are essential to not only create an inclusive work environment, but also drive career growth. By embracing varying perspectives, we allow creativity and progress to flourish.

To accelerate towards our goal of becoming the pioneering force powering the energy system of tomorrow, we are now looking for a passionate and skilled Senior Software Engineer to join our Asset Optimisation domain.

👩‍💻 About The Role
As a Senior Software Engineer at Flower, you will play a key role in designing, building, and evolving our settlement system - the backbone that ensures accurate, transparent, and traceable transactions between trading activities and asset owners.

You will work at the intersection of engineering, finance, and trading, developing a robust transaction-based system that supports invoicing, financial follow-up, and trading insights. This role combines hands-on development with high-level system design, giving you the opportunity to shape both the technical architecture and the way we work as a team.

You’ll be part of a fast-moving and evolving environment where your ability to bring structure, clarity, and technical excellence will have a direct impact on the business.

What You’ll Do

• Be one of the main drivers in the design and development of Flower’s settlement system
  

• Design system architecture, data flows, and transaction structures to ensure precision, traceability, and transparency
  

• Build and maintain scalable, robust, and maintainable solutions
  

• Drive the evolution of the system from its current state to a more structured and rigorous platform
  

• Collaborate closely with stakeholders across trading, finance, and commercial teams
  

• Ensure systems support invoicing, revenue distribution, and financial follow-up
  

• Improve processes related to settlement, data clarity, and reporting
  

• Contribute to and establish best practices, technical standards, and ways of working
  

• Act as a senior technical contributor, balancing hands-on coding with architectural decisions
  

• Mentor team members and provide technical guidance
  

• Help the team navigate ambiguity while driving structure and high-quality delivery
  
  

Who You Are

• 8+ years of experience in software development
  

• Strong experience designing and building systems from scratch, including architecture and implementation
  

• Solid understanding of system design, data flows, and scalable architectures
  

• Experience working in cloud-based environments
  

• Experience with transaction-heavy systems (e.g. fintech, trading, banking, betting, or similar) is highly valued
  

• Comfortable switching between hands-on development and high-level design
  

• Take ownership and drive technical initiatives end-to-end
  

• Thrive in fast-paced, evolving environments and can bring structure where needed
  

• Communicate effectively with both technical and non-technical stakeholders
  

• Enjoy mentoring others and acting as a senior figure within a team
  
  

📍 Location

Our beautiful office is located in the heart of Södermalm, just a short walk from Slussen subway station. We encourage in-office collaboration but support a hybrid work model.

✉️ Apply

Our corporate language is English, as we have about 30 nationalities in the office. We therefore appreciate it if you could submit your CV in English.

Throughout the recruitment process you will meet with the Talent Partner, the Head of Evaluation and Control, the Team and VP of Engineering.

We look forward to hearing from you!

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We kindly but firmly decline any engagement in recruitment assistance for our hiring processes. This includes partnership offers or the sale of recruitment tools.

FLOWER. stands for FLEXIBLE POWER. We are a start-up that enables the energy transition and drastically increases the available power flexibility to support the renewable electrification of everything.

By joining Team FLOWER. you will be joining us on our mission of innovating the energy industry by providing the world with a technological backbone that allows society to rely upon renewable energy as its primary energy carrier. ⚡️