Model vacatures in Haarlem

Senior Full Stack Software Engineer English

Senior Full Stack Software Engineer - Energy & AI

THINKING ABOUT TOMORROW, TAKING CARE OF TODAY

Smart software for sustainable power

At Wilgenhaege Innovations , we create sustainable and intelligent energy solutions through two forward-looking ventures:

• BeeBeeOne - helping customers transition off natural gas with smart modules such as heat pumps, thermal storage, and batteries.
• Bryntell - delivering local, nearly emission-free electricity generation powered by biofuel.

For both companies, we are developing advanced energy management platforms - BeeBeeOne OS and Bryntell OS - that merge sustainable technology, real-time control, and AI into one powerful ecosystem.

The Role

As a Senior Full Stack Software Engineer , you design, build, and maintain a scalable platform that makes real-time decisions to maximize energy efficiency and deliver measurable impact.

You are a technical role model in the team, contributing to the architecture, quality, and innovation of our software.

Your key responsibilities:

• Design software architectures and technical solutions.
• Develop backend and frontend functionality.
• Integrate energy devices, APIs, and external systems.
• Set up and manage CI/CD pipelines and automated testing.
• Manage software infrastructure (Infrastructure as Code, e.g. Terraform or Ansible ).
• Implement modular integrations between customer and supplier energy assets.
• Integrate AI models and machine learning frameworks into control and optimization systems.
• Lead and coach junior developers.

About you

You are an experienced engineer with vision, leadership, and a passion for technology that drives real-world change.

You have

• A Master's degree and 10+ years of software engineering experience .
• Experience as a Tech Lead or Architect - inspiring and guiding your colleagues.
• Strong knowledge of CI/CD , DevOps , and software infrastructure.
• Experience with IoT , hardware-software integration, and real-time systems.
• Experience with AI integration (machine learning frameworks and AI code assistants such as Cursor or Windsurf).
• Proficiency in multiple programming languages such as Java , Python , TypeScript , C# , or Go .
• Experience with control systems ( DCS , SCADA , ComAp , Dyve ) is a plus.
• A proactive, communicative, and collaborative mindset.

A code challenge may be part of the recruitment process.

What do we offer?

• A key role in the creation of innovative and sustainable products.
• Work on cutting-edge software projects using the latest AI technologies .
• A technically strong team with freedom and ownership .
• Competitive salary and excellent employment benefits.
• A direct contribution to the energy transition and reduction of fossil emissions.
• An inspiring office environment in Schiphol-Rijk with short communication lines.

Your application

We look forward to receiving your CV and motivation by email, to the attention of Patricia van Boxtel (Recruitment Manager) at: .