Open to opportunities

Wojciech User

@smartorion

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Ph.D. Senior Machine Learning Engineer and Data Scientist.

United States

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What I'm looking for

I seek a role that fosters innovation and collaboration, where I can leverage my expertise in AI to drive impactful solutions.

I am a Ph.D.-level Senior Data Scientist and Machine Learning Engineer with over 28 years of experience delivering scalable AI and machine learning solutions across various industries, including FinTech, AutoTech, and HealthTech. My expertise lies in Python, R, SQL, and advanced statistical analysis, enabling me to lead initiatives that process over 143 billion transactions annually. I have a proven track record of improving model accuracy by 300% and reducing operational costs by over $118 billion.

Throughout my career, I have developed patented technologies and authored more than 16 peer-reviewed publications. My leadership skills have allowed me to manage cross-functional teams effectively, translating complex AI concepts into actionable insights for C-suite executives. I am passionate about data storytelling and have successfully implemented advanced AI solutions that enhance decision-making and operational efficiency.

Experience

Work history, roles, and key accomplishments

Current

Senior Data Scientist

Current

Mastercard

Mar 2022 - Present (3 years 5 months)

Architected distributed ML pipelines on AWS supporting real-time fraud detection, achieving 20-300% improvement in fraud detection rates and 85% reduction in false positives. Implemented Hugging Face transformers for generative AI fraud detection, reducing manual investigation time by 60% while maintaining regulatory compliance.

AWS Machine Learning Fraud Detection Natural Language Processing Computer Vision Reinforcement Learning A B Testing Data Architecture MLOps

Lead Data Scientist

General Motors

Jun 2021 - Sep 2022 (1 year 3 months)

Delivered predictive maintenance models using time series analysis and statistical analysis, increasing anomaly detection accuracy by 20%. Implemented computer vision engineering solutions for quality inspection automation, reducing processing time by 30% and achieving $7.4M annual cost savings.

Predictive Maintenance Time Series Analysis Computer Vision Reinforcement Learning Data Architecture Cloud Computing Statistical Software Data Visualization IoT

Lead Data Scientist

Hypergiant

Jan 2019 - Dec 2020 (1 year 11 months)

Designed patented semantic segmentation models for defense and space applications, securing a $61 million U.S. Air Force JERIC2O contract. Implemented reinforcement learning algorithms for autonomous satellite operations, achieving 35% mission efficiency improvement and 100% mission success rate.

Reinforcement Learning Computer Vision Natural Language Processing Cloud Computing Data Security Time Series Analysis Kubeflow

AI/DL Data Scientist

Dell EMC

Nov 2017 - Dec 2018 (1 year 1 month)

Led ML system design on big data infrastructure using Ready Solutions for AI, achieving 2.9x performance improvement over competitors. Implemented automated 5-click data science workspace provisioning using Jupyter notebooks, boosting data scientist productivity by 30%.

Machine Learning Big Data Deep Learning Data Architecture Cloud Computing Statistical Analysis MLOps Data Security Data Governance

Data Scientist / Co-founder

IT Medical Consulting

Feb 2014 - Oct 2017 (3 years 8 months)

Developed AI-powered medical app 'Bluepad' using computer vision engineering and machine learning, achieving 95% diagnostic accuracy on mobile devices. Designed comprehensive data security and transformation infrastructure for healthcare clients, passing zero critical audit findings.

Computer Vision Machine Learning Data Security Statistical Analysis Natural Language Processing Data Storytelling Technical Documentation Algorithm Development

Data Scientist

CD Projekt Red

Mar 2010 - Nov 2014 (4 years 8 months)

Engineered REDengine 3 AI systems using reinforcement learning and computer vision, reducing game development scripting time by 30%. Developed recommender systems and A/B testing pipelines using statistical analysis and machine learning algorithms, increasing player engagement by 18%.

Reinforcement Learning Computer Vision Recommender Systems A B Testing Statistical Analysis Machine Learning Big Data Analytics Time Series Analysis

Senior Engineer/University Lecturer

Polish Air Force

Oct 2001 - Jan 2010 (8 years 3 months)

Led research on object recognition systems using computer vision engineering and statistical analysis, developing autonomous military drone prototypes. Directed avionic training programs and R&D teams, supervising development of AI-powered defense systems.

Computer Vision Statistical Analysis AI Machine Learning Image Recognition Research & Development NATO Integration

Senior Engineer

NATO

Jul 1996 - Oct 2001 (5 years 3 months)

Supervised R&D teams developing autonomous military drones with integrated vision. Designed patented avionics upgrades improving maritime navigation and border security.

Autonomous Avionics Upgrades Border Security Research & Development Team Leadership

Education

Degrees, certifications, and relevant coursework

Military University of Technology

Ph.D. in Computer Science, Computer Science, Machine Learning and Image Processing

Focused on Machine Learning and Image Processing. Conducted advanced research in these fields, contributing to the academic and practical understanding of AI.