Data Scientist (HealthTech)
Sofia, Veliko Tarnovo, Gabrovo
Hybrid Remote 5-10 years of professional experience >10 years of professional experience
Short Description
Want to work on AI solutions that actually matter? For more than 15 years, a platform has been delivering high-quality medical education to students, universities, and healthcare professionals worldwide. Their mission is to make specialized knowledge accessible through innovative, technology-driven learning solutions. Your Role: As a Data Scientist, you will play a key role in shaping AI-driven educational products by transforming unstructured medical content into structured, intelligent knowledge systems.
Description
Your responsibilities will include:
- Designing and optimizing LLM prompts;
- Building and maintaining knowledge graphs;
- Developing ontologies and modeling learning graphs;
- Creating automated validation pipelines to assess data accuracy and logical consistency;
- Designing evaluation frameworks for AI agents, measuring performance, reliability, and reasoning quality;
- Collaborating with medical experts to validate extracted data;
- Working closely with engineering teams to integrate knowledge graph APIs into the core platform;
- Providing methodological guidance on model training, ontology design, and AI-driven data processing.
Requirements
- 4+ years of experience as a Data Scientist, Data Engineer, or similar role;
- Strong proficiency in Python and sound software engineering practices;
- Hands-on experience with Large Language Models (LLMs) and their APIs;
- Strong understanding of structured data and its importance for machine learning;
- Motivation to learn and work with graph databases;
- Experience with cloud platforms (AWS, Azure, GCP) and MLOps practices;
- Bachelor’s degree in Computer Science, Mathematics, Statistics, Economics, or a related field;
- Proven ability to deliver scalable, impactful solutions.
Nice to Have:- Familiarity with medical terminologies;
- Interest in pedagogy, learning science, or adaptive learning systems;
- Experience with relational or graph-based data modelling.
Offer
- Remote or hybrid working model (within Bulgaria);
- 25 days of paid annual leave;
- Stable, long-term career opportunity;
- Collaborative and innovation-driven environment;
- Free access to the full platform;
- Structured onboarding and continuous professional development;
- Additional health insurance;
- Multisport card.