Senior Data Scientist II

TL;DR

Senior Data Scientist II (AI/NLP/Generative AI): Design and deliver advanced AI, NLP, and generative AI solutions for knowledge discovery and decision support with an accent on LLM-powered RAG workflows, evaluation/monitoring, and production-ready Python systems. Focus on building scalable, reliable retrieval and insight generation capabilities from complex scientific data and mentoring delivery across teams.

Location: NLD Amsterdam (Radarweg)

Salary: €59,300 - €98,800 (base pay range)

Company

hirify.global is a global information and analytics leader supporting researchers and healthcare professionals with science and health knowledge.

What you will do

• Design, build, and evaluate advanced AI/ML, NLP, and generative AI solutions for scientific and knowledge-discovery applications.
• Develop LLM-powered workflows and retrieval-augmented generation (RAG) for search, summarization, question answering, and evidence-grounded insights.
• Build retrieval, ranking, recommendation, and decision-support capabilities using modern orchestration frameworks and AI techniques.
• Integrate scientific metadata, ontologies, taxonomies, and knowledge assets into scalable AI workflows.
• Establish evaluation, experimentation, and monitoring frameworks to ensure quality, trust, performance, and reliability.
• Write production-ready Python code and partner with engineering teams to deploy solutions at scale.

Requirements

• Practical experience in data science, AI, machine learning, NLP, information retrieval, or a related quantitative field.
• Hands-on experience building applied AI/ML, NLP, generative AI, and retrieval-based systems in product-focused environments.
• Expertise with LLMs, including fine-tuning, prompt engineering, grounding strategies, and responsible AI practices.
• Strong Python skills and solid machine learning fundamentals.
• Experience with large-scale text/content-rich datasets and modern AI/ML frameworks.
• Experience with RAG and semantic/vector/hybrid search, plus experimentation and evaluation approaches that measure user impact.

Culture & Benefits

• Healthy work/life balance with flexible working hours.
• Wellbeing initiatives, shared parental leave, study assistance, and sabbaticals.
• Country-specific benefits available for the Netherlands location.