Senior BI/AI Developer
PolyTech Wind Power Technology Germany GmbH · Esbjerg, DK
Job description
About the Role
We are looking for a Senior BI Developer to join our Business Intelligence team and help maintain, improve, and modernize our data and analytics platform.
The role will focus on supporting our existing Azure-based data warehouse and Power BI landscape while playing a key role in our transition to Microsoft Fabric and a modern lakehouse architecture.
Our BI platform supports reporting, analytics, integrations, and business applications across several markets. We are looking for a senior profile who can help improve stability, reduce technical debt, accelerate delivery, and prepare the platform for future AI-enabled use cases.
Key Responsibilities
- Maintain and improve the existing Azure-based data warehouse and BI platform.
- Develop, optimize, and document ETL/ELT processes, data models, semantic models, and Power BI solutions.
- Support the migration from the current data warehouse architecture to Microsoft Fabric.
- Help design and implement a scalable lakehouse architecture using Bronze, Silver, and Gold data layers.
- Migrate reports, models, and data assets in a structured and validated way.
- Improve data quality, performance, governance, and documentation.
- Support integrations from ERP, CRM, external sources, and operational systems.
- Work with business users to translate reporting needs into robust data solutions.
- Contribute to development standards, naming conventions, and platform best practices.
- Help simplify existing data logic and reduce technical debt.
Required Qualifications
- Minimum 5 years of experience as a BI Developer, Data Engineer, Analytics Engineer, or similar.
- Strong experience with BI and data platform technologies.
- Solid knowledge of data warehouse design, dimensional modelling, ETL/ELT, and data modelling.
- Experience with Azure SQL, Azure Data Factory, Synapse, Data Lake, or similar technologies.
- Strong Power BI experience, including semantic models, DAX, Power Query, and performance optimization.
- Strong SQL skills and experience optimizing existing database logic.
- Strong communication skills and ability to work with both technical and business stakeholders.
Advantageous Experience
It is an advantage if the candidate has experience with:
- AI, machine learning, generative AI, or AI-assisted analytics.
- Agentic AI, including AI agents, workflow automation, AI orchestration, or business copilots.
- Preparing governed enterprise data for conversational BI, predictive analytics, or AI-driven business use cases.
Personal Profile
We are looking for someone who is structured, quality-focused, and comfortable working with both legacy solutions and modern cloud platforms.
The ideal candidate is curious about new technologies, especially Microsoft Fabric and AI, and can work independently while contributing actively to a small BI team. You should be pragmatic, business-minded, and able to create reliable solutions that support both current reporting needs and future analytics opportunities.
What We Offer
We offer an empowering and collaborative culture with an agile mindset, where knowledge sharing and continuous improvement are highly valued. In this role, you will join a BI team with broad responsibility across reporting, data platforms, integrations, and digital business solutions.
You will play an important role in modernizing our analytics foundation and helping the company move from a traditional data warehouse setup to a scalable Microsoft Fabric platform. The role offers a strong mix of hands-on development, optimization, architecture, business collaboration, and future-facing work with AI-ready data.
If you would like to hear more about the position, feel free to contact Team Manager – BI & Applications, Knud H Nielsen, at khn@polytech.com.
To apply for the position, please submit your application via our application portal. We accept applications in both English and Danish. Please note that applications cannot be accepted by email due to GDPR regulations.
Application due
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Homepagehttps://www.polytech.com
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