Paweł Labuda Portfolio
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code AI Engineering Notebook

Hi, I'm Paweł.
I build applied AI systems.

I experiment with LLMs, machine learning, deep learning, and data science. This is my portfolio, blog, and technical journal of things I learn and build.

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AI notebook interface with code, embeddings map, experiment log, and model pipeline

Areas I'm exploring

Language systems

LLM

I work with language models, prompt engineering, and response evaluation.

Knowledge retrieval

RAG

I build retrieval-based systems and knowledge bases: vector search, hybrid retrieval, sourced answers.

Agentic systems

Autonomy

Tool-using agents, planning loops, memory, evaluation, and controlled automation with LLM-based systems.

Patterns & validation

Machine Learning

Classical models, feature selection, validation, and interpretation of results.

Neural architectures

Deep Learning

Neural networks, CNNs, RNNs, transformers, and representation learning.

Data exploration

Data Science

Data analysis, visualization, statistics, and dataset exploration.

Visual intelligence

Computer Vision & OCR

Image understanding, document parsing, text extraction, layout analysis, and vision-language pipelines.

Generative media

Image & video models

Diffusion, multimodal generation, and model workflows for visual content understanding and creation.

Systems thinking

Modelling

Solution design, ML pipelines, and experiment prototyping.

Personal projects

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MobiSkan.pl

MobiSkan.pl

The public product site for MobiSkan, built on Joomla with a fully custom template. The only parts of Joomla core actually reused are the CMS content…

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MobiSkan WMS

MobiSkan WMS

MobiSkan WMS is the server-side counterpart to the MobiSkan Android application. It turns individual CipherLab data collectors into one coordinated wa…

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MobiSkan 3.0

MobiSkan 3.0

MobiSkan is an offline-first Android application for warehouse staff carrying CipherLab data collectors (RK25, RK26, RK95): receiving goods, issuing s…

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Latest posts

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  • Building a Production Website Chatbot with RAG: An Advanced Engineering Guide Aug 11, 2026 · 55 min read →
  • REST and WebSocket in AI Systems: Designing Request-Response and Real-Time Communication Aug 3, 2026 · 15 min read →
  • Random Forest From First Principles: Bagging, OOB Evaluation, Tuning, and Interpretation Jul 30, 2026 · 16 min read →
  • A Churn Model Does Not Tell You Whom to Target: Uplift Modeling with a T-Learner Jul 18, 2026 · 24 min read →
  • Embedding Drift in Retrieval Systems: Why Centroid Shift Is Not Enough Jul 8, 2026 · 16 min read →
  • Causal Overlap Before Estimation: Diagnosing Support, Trimming, and Estimand Change Jun 24, 2026 · 16 min read →

My journey

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  • Apr 2026 - Present AI ENGINEER Sea Machines Robotics
  • Dec 2025 - Apr 2026 SENIOR DATA SCIENTIST Grid Dynamics
  • Jul 2022 - Dec 2025 DATA SCIENTIST Flex
  • 2022 COMPUTER SCIENCE MASTER'S DEGREE University of Gdańsk
  • 2020 COMPUTER SCIENCE BACHELOR’S DEGREE University of Gdańsk

My latest courses

Course Machine Learning System Design

Educative · Employer-Sponsored · 2026

Focused on architecting scalable, production-grade ML systems. Covered end-to-end pipeline design, infrastructure trade-offs, and reliability considerations. Emphasized latency, monitoring, and deployment best practices derived from large-scale industry environments.

Course AI Engineer: Agent & MCP

Udemy · Independent Study · 2026

Designed multi-agent architectures using LangGraph, CrewAI, and AutoGen. Implemented tool orchestration, task routing, and Docker-based deployments. Delivered complex agent collaboration systems including autonomous trading simulations.

Course Generative AI: Working with Large Language Models

LinkedIn · Employer-Sponsored · 2026

Explored transformer architectures and post-GPT-3 LLM advancements. Analyzed architectural evolution and real-world NLP applications. Strengthened practical understanding of LLM deployment strategies.

Course Build Responsive Real-World Websites with HTML & CSS

Udemy · Independent Study · 2026

Built responsive web applications using semantic HTML5 and modern CSS (Flexbox, Grid). Applied structured layout systems and UI/UX principles. Strengthened frontend debugging and optimization skills.

Course Big Data, Hadoop & MapReduce

Udemy · Independent Study · 2025

Implemented distributed MapReduce jobs in Python (MRJob) within the Hadoop ecosystem. Executed large-scale workloads locally and on AWS EMR. Applied NLP and analytical processing to real-world Big Data datasets.

Contact

Collaboration inquiry

Let’s discuss AI, ML, or technical collaboration.

I am open to AI engineering roles, applied machine learning projects, technical collaboration, and focused project discussions.

pawel.labuda@itvix.pl →

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Skills & expertise

Core AI & Machine Learning

Vector Search, Databases & Data Platforms

  • Snowflake
  • Oracle
  • Microsoft SQL Server
  • PostgreSQL
  • MySQL
  • SQLite
  • Teradata
  • MongoDB
  • Firebase
  • OpenSearch
  • Elasticsearch
  • Weaviate
  • Chroma

PyData & Scientific Computing

  • NumPy
  • Pandas
  • Polars
  • Dask
  • SciPy
  • Matplotlib
  • Seaborn
  • Statsmodels
  • Pydantic

Machine Learning, Deep Learning & NLP

  • Scikit-learn
  • XGBoost
  • LightGBM
  • CatBoost
  • PyTorch
  • TensorFlow
  • Keras
  • Hugging Face Transformers
  • Sentence-Transformers
  • NLTK
  • BERTopic
  • A/B testing
  • LoRA/QLoRA/PEFT fine-tuning

AI Agents & LLM Orchestration

  • OpenAI API
  • Ollama
  • LangChain
  • LangGraph
  • n8n

Engineering & Production Systems

MLOps, DevOps & Automation

  • Docker
  • Git
  • GitHub Actions
  • GitLab CI/CD
  • Gitea
  • Azure DevOps
  • MLflow
  • Poetry
  • uv
  • Conda
  • pip

Backend & API Engineering

  • FastAPI
  • Flask
  • Django
  • REST
  • GraphQL
  • WebSockets
  • JWT
  • JSON

Development Tools & IDEs

  • Jupyter Notebook
  • Google Colab
  • Android Studio
  • PyCharm
  • GoLand
  • VS Code
  • Postman
  • Minitab

Software Engineering Principles

  • Concurrent & Asynchronous Systems
  • Object-Oriented Design (OOP)
  • Design Patterns
  • Test-Driven Development (TDD)
  • RESTful Service Design
  • Microservices
  • Distributed Architecture

Applied Data & Product Context

Programming

  • Python
  • Java for Android
  • Go
  • C++
  • SQL

Data Visualization & BI

  • Tableau Desktop
  • Tableau Prep
  • Alteryx Designer
  • Prometheus
  • Grafana
  • Dash
  • Streamlit
  • PySpark

Collaboration & Delivery

  • Slack
  • Jira
  • Confluence
  • Nextcloud
  • Scrum
  • Kanban
  • Microsoft Teams

Frontend & Interactive Interfaces

  • HTML5
  • CSS3
  • Bootstrap
  • Gradio
  • JavaScript
  • Plotly
  • Highcharts
Paweł Labuda

AI engineering portfolio, personal projects, technical notes, and blog.

Be in touch mail pawel.labuda@itvix.pl

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