I'm an experienced data scientist specializing in time series data and Large Language Models. I excel in solving complex business challenges through tailored solutions and expert consultation.
"Greg knows LLM tools like langchain *really* well. He understood a genuinely tough problem and helped me solve it super fast. Highly recommended!"
"Grzegorz Wiktorowicz, is a great financial developer...he understands the problem very quick and and dig that problem in minute manner and sloves it...hoping to catch with him in future projects .thanku"
"Thank you very much sir for the super fast and extremely professional algorithm and program creation.
I am super happy that we have met and I definetely would like to work together in many many more projects together."
"Very professional and quick!
Extremally detailed response and provided with ways to improve our business as an extra! We will for sure hire again! Thanks again"
With over a decade of experience, I've successfully addressed a wide range of business issues, including internet casinos, sports betting, logistic optimization, and stock trading, among others. Employing detailed analysis and strategic resource planning, I've consistently delivered results that meet or exceed client expectations.
Proficient in Python, C, and SQL, I hold cloud-native certifications as a Google Cloud ML Engineer and Data Engineer. Beyond task execution, I possess a deep understanding of methodologies, their strengths, and limitations. My background as a former scientist uniquely positions me to ensure your projects align with best practices and achieve your objectives.
My adaptability and extensive knowledge make me an ideal partner for your data science needs. Whether you require data-driven solutions, want to discuss your project's unique demands, or need guidance on best practices, please don't hesitate to reach out. Initial consultations are free, and I'm eager to collaborate with you to achieve your goals.
- data science and analytics
- data engineering and management
- Machine learning and AI
- Quant trading
- Data visualization and storytelling
- Cloud engineering
Python (full data stack, incl. Pandas, SciPy, Scikit-Learn, jupyter, plotly)
Time Series Analysis/Forecasting (financial, trading, observations, predictions)
- Looker Studio Masterclass certification
GCP (BigQuery, Storage strategies, ETL, ML, migration, efficiency and cost reduction)
- Google Cloud Professional Data Engineer certification
- Google Cloud Machine Learning Engineer certification
LLM (langchain, pinecone, llama.cpp, transformers, OpenAI, chatGPT)
Git, docker, MATLAB, slurm, bash, linux, SQL (GoogleSQL, Postgres, MySQL)
Statistics (academic level, incl. data analysis and modelling, Monte Carlo, bootstrapping, hypothesis testing)
>> Drop me a massage so we can analyze your needs together (it's free!)