👨🏻‍💻 postech.work

Senior Data Scientist – Search & Generative AI

ITSync • 🌐 In Person

In Person Posted 1 day, 18 hours ago

Job Description

Job Information

Date Opened

12/12/2025

Industry

Financial Services

Salary

€5.381 - €7.687

Job Type

Full time

Work Experience

6-8 years

City

Utrecht

Province

Utrecht

Country

Netherlands

Postal Code

3521CB

Job Description Ready to redefine how millions find information?

Our search functionality is used by thousands of people every day to find the information they need. With smart features and a cutting-edge tech stack, we ensure that everything Rabobank offers is just a few clicks away, on our websites, in our apps, and beyond.

We’re not just improving search. We’re building a next-generation architecture that combines semantic search, embeddings, and generative AI. From hybrid search powered by Elasticsearch to summarizing results with LLMs and automating metadata enrichment. This role is at the heart of innovation. As a Data Scientist, you’ll also play a key role in ensuring compliance through Rabobank’s AI Way of Working, guiding the team through stage-gates and governance processes.

Where You’ll Be Working

You’ll join a multidisciplinary team of highly skilled developers, a Scrum Master, and a Product Owner. The team is technically strong and eager to understand and collaborate on the data science aspects of the work. Together, you’ll deliver solutions that make search smarter and integrate generative AI responsibly.

Our Area focuses on creating the best digital experience through a top-notch content platform, intuitive navigation, and powerful search. Your work will impact global websites, apps, and internal tools used by millions of customers and colleagues.

Key Responsibilities

Develop and train machine learning models for semantic search and personalization

Fine-tune and evaluate embedding models and hybrid retrieval logic in Elasticsearch for search solutions

Research and implement LLM-based techniques for summarization, metadata generation and other use cases

Translate business questions into actionable data products and insights

Create clear dashboards and compelling storytelling to communicate insights and teach the team how to do this

Collaborate closely with developers, Scrum Master, and Product Owner to scale solutions effectively

Support compliance processes (Privacy Impact Assessments, model development plans) within the AI Way of Working

Monitor and improve model performance and explainability

Requirements Key Responsibilities

Develop and train machine learning models for semantic search and personalization

Fine-tune and evaluate embedding models and hybrid retrieval logic in Elasticsearch for search solutions

Research and implement LLM-based techniques for summarization, metadata generation and other use cases

Translate business questions into actionable data products and insights

Create clear dashboards and compelling storytelling to communicate insights and teach the team how to do this

Collaborate closely with developers, Scrum Master, and Product Owner to scale solutions effectively

Support compliance processes (Privacy Impact Assessments, model development plans) within the AI Way of Working

Monitor and improve model performance and explainability

Must-Have Qualifications

3+ years of experience in machine learning and NLP (e.g., PyTorch, SpaCy)

Expertise in semantic search, embeddings, and LLM integration

Familiarity with Elasticsearch and hybrid search architectures

Strong communication skills to explain complex concepts clearly

Ability to balance innovation with compliance and governance requirements

Nice-to-Haves

Experience with explainability and monitoring of ML models

Knowledge of CI/CD and software development best practices

Python and data engineering expertise

Dashboarding and storytelling for insights

Affinity with agile working and multidisciplinary collaboration

Benefits What we offer:

12 months contract with the possibility of extension, aiming for internal employment at Coöperatieve Rabobank U.A after 18 months.

A 36 or 40 hour workweek with flexible hours and a hybrid working model (office and home-based).

Salary range: €5.381 - €7.687 gross per month (based on 36 hours per week, based on experience).

Additional benefits: holiday allowance, 13th month and pension contributions .

Relocation services avaialable for international candidates.

Ready to strenghten the Coöperatieve Rabobank U.A team? Do you recognize yourself in this profile and are you ready for a new challenge? Send us your resume and motivation and who knows; you might soon be our new colleague!

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