AI Engineer Source LLM Adaptation; m​/f​/d

We're looking for a hands-on AI engineer who adapts open-source models so our platforms, for example our tax advisory group, can develop and operate their own specialised models.

• Select, fine-tune and evaluate open-source LLMs (e.g. Llama, Mistral, Qwen) for domain-specific use cases such as tax, accounting and advisory workflows
• Build reusable pipelines for data preparation, fine-tuning (LoRA/QLoRA), RAG and model evaluation that can be rolled out across multiple platforms
• Deploy and run models on sovereign, GDPR-compliant infrastructure, with confidentiality requirements of regulated professions built in from day one
• Work directly with platform management and domain experts to turn real workflows into working AI products
• Enable platform teams to maintain and further develop their models independently

• Several years of experience training, fine-tuning or deploying LLMs in production
• Strong Python and hands-on experience with PyTorch, Hugging Face, vLLM or similar
• Solid understanding of MLOps, GPU infrastructure and model evaluation
• A builder mindset: you enjoy moving from prototype to production quickly
• Fluent English;
  German is a strong plus

• Join our Core AI Team and shape the AI strategy of an entire portfolio from the start
• Real impact: your models go live in companies with thousands of employees and clients
• Entrepreneurial environment with short decision paths and direct access to leadership
• Munich-based, with flexible working

Our goal is to build sustainable companies and partnerships
We are an entrepreneuria
l, dynamic investment company in the European small and mid-cap market with a partnership-based buy & build concept.
We strive to build a culture of partnership with everyone who works with and for GREENPEAK: our investors, the GREENPEAK team, our stakeholders, and above all, the managers and teams in the companies we invest in.
We believe that creating a culture of partnership based on trust and mutual respect enables people to reach their highest potential. Ultimately, this forms the basis for solid returns and sustainable profitability.