Senior Data Scientist with AI Product Mindset

About the role

Hiflylabs, a Budapest-based company with 250+ employees, offers a Senior Data Scientist position with an AI product mindset. The role covers end-to-end delivery of data science projects, direct engagement with clients and leading pre-sales technical discussions, while integrating AI/ML solutions into the company's product offerings.

Key responsibilities

• Deliver data science projects independently with an end-to-end product-oriented approach
• Work directly with clients to understand their business objectives and turn them into technical requirements
• Lead pre-sales technical discussions showing the value of the analytics solutions
• Collaborate with cross-functional teams to embed AI/ML solutions in products
• Provide thought leadership and mentorship within the team
• Stay up to date with AI/ML industry trends

Required profile

• 5 years of experience in data science or a related field
• Hands-on experience with LLM projects, machine learning and deep learning
• Fluent English and comfort in client-facing roles
• Affinity for building products; domain expertise in international finance, healthcare, pharma or meteorology is highly preferred

Required skills

• Strong Python and SQL
• Cloud data science tools on AWS (SageMaker, Bedrock), Azure or GCP
• Git / BitBucket / Azure DevOps
• Machine learning libraries (scikit-learn, LightGBM, PyTorch)
• NLP and generative AI: HuggingFace, transformers, OpenAI, RAG, pretraining and fine-tuning
• Nice to have: Databricks, ML lifecycle tools (MLFlow, W&B), web frameworks (Streamlit, FastAPI, Flask), automation functions, production deployment, LangChain / LlamaIndex, LLM agents and prompt engineering

What we offer

• Diverse projects with new technical and business challenges
• Cutting-edge technologies and a strong, supportive team
• Work-life balance and regular team gatherings for professional development
• Personal mentoring for every employee