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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!

🎓 With 100+ completed projects and over 3,000 hours of successful work delivered, I bring dedication, consistency, and proven results to every collaboration. I combine technical expertise with a results-driven mindset. As a seasoned Python Developer with a Master’s in Computer Science and 10+ years of experience, I also work as a Python developer to help businesses transform raw data into actionable insights that drive smarter decisions and measurable success. By specializing in data mining, web scraping, OCR, and machine learning solutions, I deliver tailored, efficient systems that streamline data processes and empower you to achieve your goals faster. 💼 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗜 𝗢𝗳𝗳𝗲𝗿: • Data Mining & Web Scraping: Expertise in scraping data from dynamic websites, PDFs, images, and captcha solving, with delivery in formats like CSV, JSON, XML, or SQL DB. • Machine Learning | AI | Data Science: Proficient in building predictive models and data analysis using libraries like Pandas, Scikit-learn, TensorFlow, and PyTorch. • OCR & Image Processing: Skilled in extracting text from images and solving captchas using Tesseract OCR, EasyOCR, and Google Cloud Vision. Over the years, as a Python developer, I've developed many cross-platform scraping tools for popular websites like Amazon, Booking, eBay, Craigslist, and other social networks and e-commerce sites. I'm well-versed in handling complex and well-protected sites using techniques such as user-agent changing, IP-rotation, headless browsers, captcha solving engines, and custom captcha solving solutions. In addition to my data mining and extraction skills, as a Python developer, I'm also proficient in data analysis and machine learning. I can help you build predictive models that will enable you to make informed decisions based on your data. I have worked on various projects that required analyzing large datasets and presenting insights in a clear and concise manner. Furthermore, as a Python developer, I pride myself on being a problem solver and a team player. I enjoy collaborating with clients to understand their needs and providing tailored solutions that meet their requirements. As a Python developer, my algorithm for providing these services is as easy as ETL (Extract, Transform, Load), which makes it simple for you to get the data you need. I'm excited to collaborate with you and deliver high-quality results. Let's work together soon! 💻 𝗦𝗸𝗶𝗹𝗹𝘀 & 𝗧𝗼𝗼𝗹𝘀: ✓ Web Scraping, Data Mining, Web Crawling, Email Scraping (Python + Beautiful Soup, Scrapy, lxml / HTTPX, aiohttp / asyncio, Selenium Webdriver / Playwright , PhantomJS, and other Frameworks, Scraping Hub, Crawlera, Google Cloud/DigitalOcean/Azure or AWS deployment) ✓ Data Analysis and Visualisation (NumPy, SciPy, Pandas, scikit-learn, Matplotlib / Seaborn, Jupyter Notebook, Tensorflow) ✓ AI, Prompt Engineering & Model Optimization (ChatGPT, OpenAI API, LLama) ✓ Image Processing & OCR (OpenCV, Tesseract OCR, EasyOCR, TrOCR, PIL, Image Magick, Google Cloud Vision) ✓ Image/Text/CAPTCHA Recognition (Tesseract OCR, Antigate API, reCaptcha, DeathByCaptcha) ✓ PDF Mining (QPDF, XPDF, PyPDF, pdfminer, pdfplumber, PyMuPDF, Tabula) ✓ Desktop Applications Development (PyQT, wxPython) ✓ Database Systems (SQL, MS SQL Server (T-SQL), PostgreSQL, MongoDB, MySQL, MS Access, SQLite, Firebird) ✓ API Integration (Rest API, Twitter API, Facebook API, Instagram API, Google API, Youtube API, Bing API, eBay API) 📝 𝗥𝗲𝘃𝗶𝗲𝘄𝘀: ✓ "Top notch developer!" ✓ "Excellent work is done by Nataliia. She exceeded my expectations!" ✓ "Extremely thorough and quick!" ✓ "She does excellent work on long tasks, and is highly recommended." Does that suit you? 🕙 If you’re looking for a reliable Python developer, feel free to contact me anytime, and let's discuss the details of your task during the interview. I'll be glad to help you to reach your goals!

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.

I build data-driven web applications and dashboards using Python, FastAPI, and Django. My focus is on turning complex data into intuitive visual insights and integrating AI capabilities to make your systems smarter. I specialize in: - Interactive dashboards (FastAPI/Django + Plotly/PowerBI/Tableau) - Predictive machine learning models for sales, customer behavior, or sentiment - AI & RAG systems — chatbots or assistants with vector databases (FAISS, Pinecone) - ETL pipelines & APIs for collecting and serving data With a background in data science and analytics, I deliver full-stack, end-to-end solutions — from backend design to model deployment. Let’s discuss how I can help you build an intelligent dashboard or data-powered product. Tools, that I use: Python | FastAPI | Scikit-learn | PyTorch | LangChain | LlamaIndex | FAISS | Pinecone | SQL | PostgreSQL | MySQL | Power BI | Tableau | HTML/CSS/JS | Git Keywords: Python | Generative AI | MLOps | Machine Learning Engineer | Vector Database | RAG System | AI Agent | Agent Orchestration | PyTorch | TensorFlow | Keras | CNN | RNN | LSTM | Transformer Models | ARIMA | Forecasting | Classification | Regression | Clustering | Time Series Analysis | Anomaly Detection | Data Processing | Data Wrangling | Feature Engineering | Model Monitoring | Model Serving | CI/CD for ML | Pydantic | Dash | Streamlit | Deep Learning | Computer Vision (CV) | LLM Fine-Tuning

$53M+ Raised by Clients | 84+ Products Delivered | 100% Job Success | 14 Years in SaaS ✅ 14 years as CTO & Founder of Gearheart, Enterprise SaaS product development studio ✅ Co-Founder & CTO at Beyond the Wow, an AI-native MVP studio ✅ Helped 84+ startups and growth-stage SaaS teams scale their products ✅ Built SmartSuite from scratch — $38M raised, 7M+ users ✅ 2–4x faster delivery using Claude Code, Lovable, Cursor, and Replit ✅ Top Developer at Clutch and Goodfirms I'm a CTO with 20 years of engineering experience, specializing in Python Full Stack Developer SaaS and Full Stack Developer React architecture. I've learned that most founders don't fail because they can't build, they fail because they build the wrong thing. My job is to make sure that doesn't happen to you. As an MVP Developer, I focus on SaaS architecture and MVP Development — taking products from idea to live in weeks. My team delivers Full Stack Developer React and Python engineering with AI API Integration built in by default. Behind me is a team of 23 senior engineers with 14 years in SaaS — together we've shipped 84+ products for 70+ clients across 7 countries. Whether you need AI SaaS Development, a lean SaaS MVP, or full-scale SaaS Business Development — we bring both the speed and the engineering depth to make it production-ready. 🌟OUR ENGINEERING STANDARD Our standard for MVP Development comes from Gearheart, where we've spent 14 years as a SaaS Developer studio building enterprise products: - SmartSuite — SaaS Developer and MVP Development from scratch: $1.2M ARR in 4 weeks, $38M raised, trusted by Capital One. Coordinated with up to 4 external teams simultaneously - Globalli — Python Full Stack Developer SaaS and SaaS Developer project: HR/payroll across 125+ countries, SOC2 Type II, $15M raised. 15+ modules, 21 engineers at peak, 3 years 🔧 WHAT I CAN HELP YOU WITH - Discovery & Prototype: For every MVP Developer engagement — clickable prototype in 5 days using AI Development tools: Lovable, Replit, Cursor - Rescue Diagnosis: Code broken in production? Full review by senior Full Stack Developer React and AI Development engineer. QA, security audit, sprint plan - MVP & Landing Page: MVP Development in 3 weeks — 2–4x faster than traditional agencies. AI API Integration, auth, onboarding, deployment included - Sprint Subscription: Ship features on a regular sprint pace. Your long-term Full Stack Developer React, SaaS Developer and MVP Developer partner ⚡ OUR MVP SPEED - Legal SaaS platform + AI API Integration knowledge base → ~2 months - AI Receptionist with AI API Integration + CRM → shipped in weeks - B2B Dental Referral SaaS — MVP Developer delivery → 3 weeks - Medical device MVP Development — ICP + PMF + build → 2 weeks 💡WHY WORK WITH ME - Product Thinking First: We start at "should you build this?" not "what do you want us to build?" Most developers skip this entirely. We don't - AI Speed, Engineering Quality: We use Claude Code, Lovable, and Cursor as engineers, not prompt writers. AI Development is 2–4x faster without sacrificing production readiness. Need AI SaaS Development or MVP Development? We do both - We're Startup Founders Too: As founders ourselves, we know firsthand the challenges you're facing — including where AI Development fits and where it doesn't - Offshore Pricing, Enterprise Standard: Ukraine-based SaaS Developer team. Competitive pricing. Enterprise-level SaaS Developer quality — delivered by Python Full Stack Developer SaaS and Full Stack Developer React engineers who've built at scale Our team has delivered AI SaaS Development projects, Full Stack Web Developer builds, and App Developer with AI integrations — enterprise standard Our engineers cover the full stack: Software Developer tooling, REST API architecture, Web Developer interfaces, App Developer delivery. Whether you need a React Developer who owns the full product or a team that scales with you — we've done it both ways. We've worked with 70+ clients as an MVP Developer and SaaS Developer team — from early-stage founders to growth-stage companies across 7 countries. 30% return for their next product. Our Python Full Stack Developer SaaS and Full Stack Developer React engineers have built systems where AI Development is not optional — it's the delivery model. AI API Integration is embedded in every MVP Development sprint from day one. As an MVP Developer team: $400K+ on Upwork | 100% Job Success. AI Development and Python Full Stack Developer SaaS approach gives you depth without agency overhead. ⚙TECH STACK AI & Integration: AI API Integration: Claude Code, OpenAI, FastAPI, LangChain Frontend: Full Stack Developer React: React, TypeScript, Next.js, Vue.js Backend: Python Full Stack Developer SaaS: FastAPI, Django, Node.js, GraphQL, PostgreSQL DevOps: AWS, DigitalOcean, Docker, Kubernetes Every Python Full Stack Developer SaaS project we take on includes MVP Developer speed, AI Development, and AI API Integration by default