About Me

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Tomasz Osiński
About Me

Fullstack Developer & AI Enthusiast

Hello! I'm a Fullstack developer with a passion for AI and modern web technologies. I specialize in developing complete solutions - from backend with APIs and ML, to responsive user interfaces. I combine data analysis with intuitive UX. I create intelligent applications that solve real problems.

Name: Tomasz Osiński

My Professional Skills

Key technologies and tools I work with daily to deliver effective solutions.

AI Agents Development

Chatbots with OpenAI API, Claude, Gemini and other Open Source models. Customer service and internal process automation.

Machine Learning

ML models: from scikit-learn to neural networks. I solve problems: sales forecasting, customer classification, anomaly detection.

API Development

REST APIs with FastAPI - fast, modern APIs with automatic documentation. Celery for asynchronous tasks. External system integrations, JWT authentication.

Web Scraping

Automated data collection with Selenium, Playwright, BeautifulSoup. Price monitoring, competitor analysis, market offer aggregation.

Data Science

Data analysis with pandas, NumPy, matplotlib. Advanced data preparation for ML classification using SQL/NoSQL and vector databases. Data visualization tools and dashboard creation.

Docker

Application containerization, Docker Compose, CI/CD pipelines. Consistent dev/staging/prod environments, microservices scaling.

Python

Primary language for data analysis, automation and backend. Rapid prototyping, large dataset processing, API integrations.

Javascript / Typescript

Frontend and Fullstack development. Interactive user interfaces, real-time applications, modern frameworks, TypeScript for type safety.

React

Web applications with React and Next.js. State management with Redux. UI components with Material-UI. SSR, routing, performance optimization.

My Projects

Selected projects that showcase my skills in practice and passion for creating innovative solutions.

Datenhalle.de

Datenhalle.de

German B2B service for selling verified corporate and address databases, enabling instant download after purchase. Specializes in providing current, accurate marketing and sales data for effective business operations.

Pumo - AI Assistant

Pumo - AI Assistant

Intelligent AI assistant that uses audio transcription and image analysis to automatically generate ready-to-publish real estate offers for the onOffice CRM system.

Web Scraping AI Agent

Web Scraping AI Agent

Intelligent AI agent for automatically creating, modifying and evaluating web crawling scripts functionality for data extraction from websites.