Balázs Fehér
Staff Data Scientist
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolBalázs Fehér is a Staff Data Scientist and AI/ML lead based in London with a decade of experience building and productionising machine learning systems across finance, pharmaceuticals and enterprise SaaS. He specializes in transformer-based NLP, Generative AI, LLM fine-tuning and Retrieval-Augmented Generation pipelines, moving models from PoC to high-throughput production with strong MLOps practices. His background spans anomaly detection for banking, document information extraction for biotech and distributed training/optimization on cloud platforms like AWS SageMaker. A former cognitive neuroscience PhD, he brings a rigorous experimental mindset to model design and evaluation, especially in robustness and monitoring. Colleagues rely on him to reconcile research-grade models with engineering constraints—often squeezing efficiency gains through quantization and hyperparameter tuning. Currently shaping AI efforts at Insig AI after recent roles leading LLM transitions at Arietta.ai and Neural Machines.
10 years of coding experience
10 years of employment as a software developer
Machine Learning Engineer, Machine Learning Engineer at UdacityDoctor of Philosophy (PhD) Cognitive Neuroscience, Doctor of Philosophy (PhD) Cognitive Neuroscience at Universität des Saarlandes
English, German, Hungarian, Tibetan, Chinese
Stackoverflow
344reputation
108kreached
2answers
10questions
Github Skills (9)
apache-spark6
angular-material6
append6
python6
multidimensional-arrays6
numpy6
angular6
scala6
metadata5
Programming languages (3)
Github contributions (5)
FeherBalazs/cora
Mar 2025 - Apr 2025
Contributions:2 PRs, 57 pushes, 12 branches in 18 days
FeherBalazs/kaggle_rossmann_challange
Jan 2016 - Dec 2017
Contributions:6 pushes, 1 branch in 1 year 11 months
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