Lead AI Engineer - Must be remote from: Spain, Netherlands, Germany and Ireland

This is an opportunity to join at the ground floor, shape the technical direction of the AI stack, and work with a highly collaborative team committed to innovation., The Lead AI Engineer will take ownership of designing, building, and deploying advanced AI systems with a strong focus on generative AI and LLM-based applications. This role combines hands-on technical work with leadership responsibilities, including guiding engineering practices, influencing product strategy, and mentoring team members as the AI team grows., * Architect, build, and deploy generative AI solutions, including LLM-powered applications and retrieval-augmented systems.

• Lead the technical direction of AI projects, ensuring scalability, performance, and reliability.
• Develop high-quality, production-ready Python code and machine learning pipelines.
• Evaluate, fine-tune, and integrate large language models (open-source and API-based).
• Collaborate with cross-functional teams to define AI use cases and translate them into robust engineering solutions.
• Implement best practices for model lifecycle management, observability, and continuous improvement.
• Mentor junior engineers and contribute to shaping a world-class AI engineering culture.
• Stay up to date with research, tooling, and emerging capabilities in the GenAI ecosystem.

• 5+ years of professional experience in AI/ML engineering, with a strong background in Python (senior-level proficiency required).
• Hands-on experience fine-tuning, adapting, and deploying large language models (e.g., Llama, GPT-based models, Mistral, etc.).
• Strong understanding of generative AI architectures, prompt engineering, and vector search/RAG systems.
• Experience building production-grade AI applications and data pipelines.
• Proficiency with modern ML frameworks (PyTorch, TensorFlow, JAX) and model-serving frameworks (FastAPI, Triton, Ray, etc.).
• Solid knowledge of cloud platforms (AWS/GCP/Azure) and containerization (Docker, Kubernetes).
• A proven ability to lead technical projects and mentor other engineers.
• Comfort working in a startup or greenfield environment where autonomy and initiative are key.

? What the Company Offers

• Fully remote role with flexible working arrangements.
• High ownership in shaping AI strategy, tooling, and technical foundations.
• Competitive salary + equity/benefits package.
• Opportunity to work with cutting-edge GenAI techniques and contribute to innovative products.
• A collaborative environment that values experimentation and engineering excellence.

The company is building a brand-new AI function to power the next generation of intelligent products and automation capabilities. With a focus on generative AI, large language models, and cutting-edge applied research, they are searching for a seasoned Lead AI Engineer to help architect, develop, and scale core AI capabilities across the business.