I'm a passionate Software Engineer (GPA 5.0/5.0) with hands-on experience across fullstack development, AI/ML engineering, embedded systems, and DevOps. I enjoy building scalable, modern applications with clean code and meaningful user experiences. I specialize in Python, JavaScript, C++, C, and comfortably navigate frontend, backend, and low-level stacks.

• ⚙️ Build modern, responsive web, desktop, and mobile applications (React, Next.js, Electron, Flask, Laravel, Ionic)
• 🤖 Develop and deploy AI/ML models for real-world use cases (voice assistants, real estate pricing, predictive analytics)
• 📡 Design secure and efficient REST/GraphQL APIs, integrate with Azure Functions, Event Grid, Queues
• 🧠 Create offline AI solutions using local LLMs (Ollama, Vosk) with encryption and SQLite storage
• 🔧 Prototype embedded systems on Arduino, ESP32 & Raspberry Pi for IoT and real-time data collection
• 🛠 Automate workflows and internal tools with Power Platform (PowerApps, PowerAutomate) and custom scripts
• 🚀 Implement CI/CD pipelines with GitHub Actions, Docker, Azure DevOps

• 🎓 Engineer’s Degree in Software Development
• 🏆 Graduated with distinction (5.0 / 5.0 GPA)
• 📚 Bachelor Thesis:
  Offline AI Assistant – a fully offline voice assistant built in Python with Vosk, Ollama, Tkinter, SQLite & cryptography. Focused on speech-to-text, TTS, secure local note-taking and data visualization.

A 100% offline, private voice assistant in Python for taking encrypted notes, executing commands, and visualizing data without any internet dependency.
🔐 Tech: Python, Vosk for STT, PyAudio, Tkinter UI, SQLite + SQLCipher, Matplotlib, Ollama LLM.

📌 Features:

• Chat with AI (LLM via Ollama)
• Voice commands & responses (STT + TTS)
• Secure notes stored in SQLite with encryption
• Data visualization (charts, calendars)
• 100% local — no internet required

🎬 Demo: (Comming soon!)

A ML pipeline in Python/TensorFlow that analyzes historical property data to forecast market prices.
🔐 Tech: Python, pandas, TensorFlow, scikit-learn, PostgreSQL, Docker, GitHub Actions.

A fullstack Flask/Python + React application with MySQL for cataloging and searching digital resources.

Online library platform built with PHP and JavaScript, featuring REST API integration and user-friendly UI.

• UI-UX-Design-Portfolio – Showcase of visual design work and prototypes
• Diagrams – Collection of system and data-flow diagrams (draw.io)
• Arduino-Projects-1–5 – Hands-on microcontroller experiments in C++
• Survivalist-Pro-Offline-Emergency – Python tool for offline emergency planning
• Personal-Assistent-AI-offline-PL – Polish-language offline AI assistant (Python)
• Housing-Price-Prediction-Neural-Network – Neural network in Python for property valuation
• To-do-list-React-app – Task manager built with React and localStorage
• Laravel-Project – Sample web app in PHP/Laravel with MVC architecture
• Developer-Career-navigator-Python – CLI tool guiding developer career paths
• API-Python – Simple REST API examples in Flask and FastAPI
• Multi-Tool-Utility-Salary-Tickets – C++ console utilities suite

Feel free to explore all my contributions on github.com/adi1985a.

• 🎨 UI/UX prototyping & data-driven design
• 🔐 Data privacy, encryption & offline-first architectures
• 🛠️ Embedded development on Arduino & Raspberry Pi
• 🤝 Agile collaboration, code reviews & documentation
• 🌍 Fluent in Polish; English (C1); Norwegian (B2); Italian (B1)

I'm currently deepening my expertise in:

• Advanced Machine Learning techniques and Large Language Model (LLM) applications.
• Scalable backend architectures and microservices.
• Cloud-native development and DevOps practices.
• Exploring the intersection of AI with various industries to create impactful solutions.

📫 Email: adr.lesniak@gmail.com
💼 LinkedIn: linkedin.com/in/adrian-lesniak-41029014a
📁 GitHub Portfolio: github.com/adi1985a

I'm always open to:

• 🧠 Learning new technologies and methodologies.
• 💡 Collaborating on meaningful and innovative tech initiatives.
• 🚀 Building something impactful that solves real-world problems.