Lukasz Kolodziejczyk
Senior Data Science Engineer
Wroclaw Metropolitan Area Poland
Summary
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Rockstar🎓
Top SchoolLukasz Kolodziejczyk is a Senior Data Science Engineer with a decade of experience building production-grade ML systems and data pipelines, currently focusing on ambiguous, high-expectation problems. He led core model development and a TensorFlow→PyTorch migration at Mostly AI, delivering 100× end-to-end performance improvements and shipping an agentic analytics assistant used by thousands. Comfortable across the stack, he has modernized ETL and SDKs, integrated LLM finetuning and external data systems, and introduced automated QA to improve trust in synthetic tabular outputs. His background spans mission-critical systems, CI-driven toolchains, and both backend and full-stack roles, reflecting deep engineering pragmatism and cross-language fluency. Based in Wroclaw, he pairs MSc training in Intelligent Systems with a track record of turning unclear requirements into scalable, auditable solutions.
10 years of coding experience
10 years of employment as a software developer
Bachelor of Science (BSc), Computer Science, Bachelor of Science (BSc), Computer Science at Wrocław University of Science and TechnologyMaster of Science (MSc), Advanced Computer Science (Intelligent Systems), Master of Science (MSc), Advanced Computer Science (Intelligent Systems) at University of Leeds
Polish, English, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (48)
differential-privacy10
synthetic-data10
dart-sass10
privacy-enhancing-technologies10
machine-learning9
reference-implementation9
sass9
generative-ai9
dart8
python8
pandas8
monorepository8
css8
manipulation7
frame7
Programming languages (6)
Github contributions (5)
mostly-ai/mostlyai-engine
Jan 2025 - Apr 2025
Synthetic Data Engine 💎
Contributions:8 reviews, 20 PRs, 50 pushes in 2 months
differential-privacysynthetic-datasynthetic-data-generationsynthetic-data-generator
lukaszkolodziejczyk/monorepo
Mar 2023 - Mar 2025
Contributions:40 pushes, 1 branch in 2 years
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