Hire the Best Jupyter Specialists
in Ukraine

I only complete tasks if I can. Make AI models, write desktop app in Qt in Py./C++, REST servers like (Java Spring or FastAPI). Clear code. I don't put off work until tomorrow. I want to try Upwork for my chellenge!

Are you spending hours on manual data entry, repetitive Excel workflows, or complex reporting? I can help you automate those processes and integrate cutting-edge AI into your business. I am a Python Developer focused on data automation, advanced analytics, and AI-assisted business solutions. I help businesses transform slow, manual workflows into reliable, lightning-fast applications that process large datasets, generate insights, and support data-driven decision-making. What I Do Best (Proven Results): Instead of just writing scripts, I deliver complete, ready-to-use solutions. In my recent projects, I have: • Engineered robust data pipelines that automatically clean, transform, and analyze massive datasets. • Reduced daily manual reporting and data processing workflows from several hours to approximately two minutes. • Developed automated analytical scanners that calculate complex business metrics and generate visual reports (Charts, PDFs, Excel). • Packaged complete workflows into user-friendly, portable Windows desktop applications (.exe) that require absolutely no installation for the end-user. • Supported scheduled, overnight cloud processing for uninterrupted business operations. AI & LLM Capabilities (High-Demand): I leverage modern Generative AI to take business automation to the next level: • LLM Integration: Connecting business applications with Large Language Models via API (OpenAI, Anthropic, open-source models). • RAG (Retrieval-Augmented Generation): Building smart systems that allow you to "chat" with your own documents, CSVs, and databases securely. • AI Workflows: Automating text processing, data extraction from unstructured documents, and intelligent report generation. • Prompt Engineering: Optimizing AI requests for accuracy, speed, and cost-efficiency. My Core Technical Stack: • Languages & Version Control: Python, OOP, Git • AI & Machine Learning: LLM APIs, RAG concepts, scikit-learn • Data Processing: pandas, NumPy, openpyxl, Data Cleaning, Statistics • Visualization: matplotlib, Automated Dashboard Generation • Development & Deployment: Tkinter (Desktop GUI), FastAPI, REST APIs, PostgreSQL, Docker How I Can Help Your Business: • Automate complex Excel/CSV workflows and data migrations. • Build custom Python scripts, API connections, or standalone desktop/web applications. • Clean and transform messy data into structured, actionable formats. • Integrate LLMs into your existing tools to automate data summarization or text generation. • Improve, scale, or debug your existing Python infrastructure. I focus on practical solutions, clean code, and clear communication. Whether you need a simple automation script to save time or a full-fledged AI-integrated analytics tool, I am ready to understand your business process and build a system that works perfectly for you. Let's discuss how we can optimize your workflow today!

Hi! I'm a Data Engineer and Data Scientist with over 3 years of experience building scalable data pipelines, cleaning and analyzing complex datasets, and delivering AI/ML solutions that create real business value. I specialize in designing event-driven cloud architectures, developing ETL/ELT pipelines for real-time and batch processing. Whether it's processing terabytes of data or fine-tuning a neural network — I’m all about clean code, solid logic, and measurable impact.

Hi! I'm Stepan — a Machine Learning Engineer and Data Scientist with a strong foundation in Python, statistics, and deep learning. I help businesses and startups turn data into insights and intelligent automation. Here’s what I can help you with: ✅ Build and train ML models for classification, regression, or clustering tasks ✅ NLP solutions (text classification, sentiment analysis, duplicate question detection) ✅ Computer Vision (image classification, object detection, satellite image matching) ✅ Data cleaning, analysis, and visualization ✅ Model deployment & automation (FastAPI, Flask, CI/CD, basic MLOps) ✅ Exploratory Data Analysis (EDA) & feature engineering ✅ Working with Generative AI (ChatGPT, LangChain, RAG, FAISS) Tools I use: Python, scikit-learn, TensorFlow, Keras, Pandas, NumPy, Matplotlib, OpenCV, HuggingFace, Streamlit, FastAPI, SQL, Git, Docker. I'm detail-oriented, responsible, and always eager to find the most practical and elegant solution for your business case. Let’s build something smart together! Book a FREE initial consultation—no commitment required.

👋 Hi, I’m Andrii – a developer and automation specialist who turns messy data and clunky workflows into intelligent systems that "just work". From automating workflows and scraping data to building computer vision tools, I craft smart solutions that automate tasks, remove bottlenecks, and turn data into results. 🔧 Automation, Scripting & Data Scraping: - Scripts & automation (Python, JS, Bash, CLI) - create utilities, automate tasks, and connect APIs - Web scraping & API extraction (Selenium, Playwright, Scrapy) - extract data from sites and APIs - Google Workspace (Google Apps Script, Google Sheets, Gmail) - auto reports, sync data, alerts - No-code / Low-Code workflows (Zapier, Make, n8n) - automate and connect apps without code 📊 AI, Data Science & Computer Vision: - Data analysis & insights (Pandas, NumPy) - explore data to reveal trends and patterns - Data cleaning & prep (Python, SQL, regex) - clean and format messy data for analysis - Data visualization (Matplotlib, Plotly) - create clear, interactive charts and dashboards - Computer vision (OpenCV, TensorFlow) - integrate object detection and OCR to apps - ML integration (REST API) - deploy machine learning or CV models via fast REST APIs 🖥️ Desktop Software Development: - Cross-platform desktop apps (C++, Python, Qt) - build custom tools and utilities for various tasks - Web tech desktop apps (Node.js, Electron) - develop modern interfaces using JavaScript stack - Code optimization & refactoring - improve performance with async patterns and multithreading 🧠 Why clients choose me: - Edge-case hunter - your weirdest bugs won’t stand a chance - Rapid uptake - new tools? I read docs so clients don’t have to - Talk → Plan → Code - I turn rough ideas into working solutions 🤝 Ready to transform your duct-taped processes into reliable, efficient solutions? Message me - I’m here to discuss your project and solve workflow problems!

I’m a Data Scientist and Machine Learning Engineer with strong Python skills and a passion for building real-world AI systems. • Data Analytics & Visualization From raw data to meaningful insights using Pandas, Seaborn, Matplotlib. Efficient handling of missing data, feature engineering, and visual storytelling. • Classical Machine Learning Regression, classification, and clustering using well-tested models like Linear/Ridge/Lasso Regression, Random Forest, XGBoost, and time-series forecasting. • Neural Networks Design and training of neural network models for structured data, image classification, segmentation, and generative tasks. Practical, modular, and well-documented pipelines. • Computer Vision Full-stack CV development — from classic OpenCV (feature detection, contours, filtering) to modern deep learning frameworks: CLIP, Segment Anything, Grounding DINO, Stable Diffusion. • LLMs & RAG Pipelines Experience building Retrieval-Augmented Generation systems using local LLMs, custom embeddings, LangChain, Hugging Face, and FastAPI. Deployable, scalable, and production-aware. • API Design & Deployment Development of clean, modular APIs using FastAPI. Dockerized solutions ready for testing, deployment, and integration. Engineering mindset with focus on maintainability. My mindset: Every project is an engineering problem. I prioritize clean code, transparent structure, and robust results. I document my process and work as a partner - not just a coder. Let’s build smart solutions together!