Data Scientist
* Research shows that while most male candidates feel confident enough to apply when they meet about 60% of the requirements, female candidates only apply when they tick every box. So, if this role has your name on it, but you’re not sure about the criteria, we still want to hear from you.
Join us in shaping the future of AI-powered document intelligence
At Virtual Vaults, we’re passionate about M&A dealmaking, revolutionising the way businesses operate with our secure SaaS solutions. Our products empower organisations to work smarter, close deals faster, and achieve their goals. With 75+ colleagues and clients worldwide, we are a fast-growing scale-up with a vibrant, collaborative culture where creativity, continuous learning, and ownership are valued.
Your mission as a Data Scientist – NLP & LLMs
As a Data Scientist, you’ll be at the forefront of innovation, helping our clients extract meaningful insights from complex document repositories. You’ll work within one of our engineering teams to design and implement intelligent solutions using cutting-edge NLP techniques and Large Language Models (LLMs). Your work will directly impact domains such as Legal and Financial document management, enabling smarter decision-making and automation.
You’ll collaborate closely with engineers, product owners, and domain experts to bring AI-powered features to life. From experimentation to deployment, you’ll have the freedom to shape your approach and contribute to our evolving AI strategy.
What you will do:
- Develop and fine-tune NLP models and LLM-based pipelines for document understanding.
- Implement Retrieval-Augmented Generation (RAG) and Agentic Modeling techniques.
- Collaborate with engineering teams to integrate AI solutions into production systems.
- Conduct research and experimentation with open-source and proprietary LLMs.
- Monitor, evaluate, and improve model performance in a real-world application.
- Translate business needs into data-driven solutions with measurable impact.
Your profile:
- MSc or PhD in Data Science, Artificial Intelligence, Machine Learning, or a related field.
- 2+ years of experience in ML and NLP, with hands-on work on LLMs and RAG.
- Strong Python skills and familiarity with SQL.
- Experience with LLMs such as LLama, OpenAI GPT, or similar.
- Proficient in frameworks like TensorFlow, PyTorch, Langchain, LLama Index, and Hugging Face.
- Solid understanding of Transformers, Text Embeddings, and GPT-based architectures.
- Familiarity with software engineering principles, Git, Azure, and Docker.
- Experience deploying and monitoring ML models in production environments.
- Strong communication skills and ability to explain technical concepts to non-technical audiences.
- Entrepreneurial mindset with a data-driven approach to problem-solving.
- Fluent in English; Dutch is a plus.
- Available to work hybrid: 3 days in our office, 2 days from home (no fully remote).
What we offer:
- A competitive salary based on skills and experience.
- 32–40 hours per week with flexible working hours.
- 25 vacation days plus 2 additional days.
- 100% pension contribution paid by Virtual Vaults.
- Training budget to support your growth and development.
- Internal security training (learn ethical hacking to protect our SaaS products).
- Open, flat, and collaborative culture.
- Fresh daily lunches and park walks near our office.
- Great company outings and events.
- Virtual Vaults devices and a home office budget.
- Travel compensation.
Our recruitment process:
👋 Round 1: 15–30 min informal video call with our recruiter.
🧠 Round 2: 60–90 min in-office interview with technical and product team members.
💌 Offer!
Why join us?
At Virtual Vaults, your ideas are valued, and your work will directly impact thousands of professionals worldwide. We are a place where quality leads the way, growth and learning are prioritised, and your curiosity is encouraged.
Recruitment Agency Disclaimer
Virtual Vaults does not accept unsolicited CVs or candidate profiles from recruitment agencies, and any such submissions shall be deemed the property of Virtual Vaults with no fees payable in the event of a resulting hire.
- Department
- Engineering Team
- Role
- Data Scientist
- Locations
- Rotterdam
- Remote status
- Hybrid
- Employment type
- Part-time
- Employment level
- Professionals

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