Krzysztof Fiok
Contractor - Senior Data Scientist
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolKrzysztof Fiok is a Senior Data Scientist and contractor with eight years of experience building and deploying ML and AI solutions, specializing in NLP and generative models. He combines strong Python engineering (PyTorch, TensorFlow, transformers, graph and vision libraries) with practical production experience running self‑hosted GPUs and AWS deployments. His background spans academia and industry—from a PhD and postdoctoral research in explainable AI and graph neural networks to delivering bespoke NLP and image-analysis systems for clients and research institutions. Recently he has focused on generative AI: advanced prompting, model selection, benchmarking, and operationalizing open-source LLMs both on-premise and in the cloud. Comfortable leading technical interviews, teaching in-house, and producing reusable packages and best-practice documentation, he moves projects from research to product quickly. A fast learner and independent thinker, he pairs rigorous scientific publications with hands-on system design and deployment.
8 years of coding experience
4 years of employment as a software developer
Doctor of Philosophy PhD Optimization of innovative lever propelled wheelchair, with distinction, Transport, Doctor of Philosophy PhD Optimization of innovative lever propelled wheelchair, with distinction, Transport at Warsaw University of Technology
Polish, English, Italian, German, Spanish
Stackoverflow
149reputation
93kreached
1answer
0questions
Github Skills (66)
mask-rcnn10
mask10
object-detection10
nlp10
sequence-labeling10
graph-embedding10
natural-language-processing10
pytorch10
named-entity-recognition10
word-embeddings10
language-processing10
keras10
simple-framework10
segmentation10
gnn9
Programming languages (2)
Github contributions (5)
krzysztoffiok/twitter_sentiment
Apr 2020 - Nov 2020
Contributions:3 releases, 59 commits, 56 pushes in 6 months
krzysztoffiok/predicting-response-to-tweets
May 2020 - Nov 2020
Contributions:20 commits, 19 pushes, 1 branch in 6 months
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