Hi, I'm Adrian

I build scalable, modern applications with clean code and meaningful user experiences. Passionate about fullstack development, AI/ML engineering, graphic design, and creating impactful solutions.

About Me

Get to know more about my background, education, and what drives me as a developer.

Who I Am

Adrian Lesniak
Click to see my pitch

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.

What I Do

  • Build modern, responsive web, desktop, and mobile applications
  • Develop and deploy AI/ML models for real-world use cases
  • Design secure and efficient REST/GraphQL APIs
  • Create offline AI solutions using local LLMs
  • Prototype embedded systems for IoT and real-time data collection

Education & Thesis

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.

Current Focus & Interests

Machine Learning
Cloud-native
Scalable backends
AI industry applications

Technology Stack

Python
JavaScript
React
C++
Arduino
Node.js
MySQL
Git
HTML5
CSS3
PHP
Docker
Linux
Tailwind CSS
Next.js
MongoDB
Express.js
Bootstrap
jQuery
SQLite
PostgreSQL
Redis
AWS
Google Cloud
GitHub
VS Code
IntelliJ
Eclipse
Postman
Swagger
JUnit
Maven
Gradle
Jenkins
Kubernetes
Terraform
Ansible
Prometheus
Grafana
Java
Angular
Vue.js
Spring
Hover to scroll Tech Stack

Education & Grades

My academic background and university grades.

Computer Science

Bachelor's Degree

AHE University Logo

AHE University

2021 - 2025

GPA: 5.0 Excellent
Modelling of Business processes A
Artificial intelligence A
Programming A
Web application programming A

Professional CV

Updated Resume

Comprehensive CV with all my experience, skills, and project highlights.

Last updated: December 2024
PDF Format
Experience 8+ years
Projects 80+
Technologies 50+

University Grades

Academic Performance

Complete transcript of all university courses and grades.

All subjects included
Official transcript
PDF format

Client Testimonials

What my clients and colleagues say about my work.

Eldbjørg Kalvenes

Eldbjørg Kalvenes

CEO, Italian Design AS

"Adrian delivered our e-commerce platform ahead of schedule with exceptional quality. His attention to detail and problem-solving skills are outstanding. Highly recommended!"

Project: E-commerce Platform +40% Sales
Tomasz Kłoczko

Tomasz Kłoczko

Tønsberg Sykkelservice owner

"Adrian transformed our online presence with a modern website and effective marketing strategy. His professionalism and creativity went above and beyond our expectations."

Project:Website & Marketing +60% Efficiency
Peter Ommundsen

Peter Ommundsen

Software Engineer, Zenitel

"Adrian's mobile app development skills are exceptional. He transformed our concept into a polished, user-friendly application that our customers love."

Project: Mobile App 4.8★ Rating

Case Studies

E-commerce Platform Optimization

TechStart Solutions

Loading Speed -65%
Conversion Rate +40%
Mobile Performance +85%

Implemented React optimization, lazy loading, and mobile-first design resulting in significant performance improvements and increased sales.

AI-Powered Analytics Dashboard

DataCorp Research

Data Processing +60%
Accuracy +25%
User Adoption +80%

Developed machine learning algorithms for real-time data analysis, providing actionable insights and improving decision-making processes.

Mentor & Academic Recommendations

Ahmad Sharifinejad

Ahmad Sharifinejad

SW Manager Norway, Zenitel

"The ability to handle complex tasks, adapt to new technologies, and collaborate effectively within a team indicates strong potential in future technological roles."

Team Collaboration • Problem Solving • Mentoring
Prof. Wanda Gryglewicz-Kacerka

PhD. Wanda Gryglewicz-Kacerka

Evaluation supervisor, Professor, AHE University

"Adrian’s academic performance and practical skills are outstanding. His projects reflect a strong grasp of AI concepts and creative, innovative thinking."

Academic Excellence • AI Expertise • Innovation
View Official Recommendation Letter

Official internship recommendation document

Career Timeline

My professional journey from studies to freelancing, showcasing growth, achievements, and technological evolution.

2024

Zenitel Internship

Mobile App Development & API Integration

Mobile app improving processes by 20%
Python & Microsoft Power Apps
API integrations & database management
Python Power Apps API
2024

Freelance Development

Full-Stack Projects & Client Solutions

Web applications & e-commerce platforms
Process automation & system integration
Client collaboration & project management
React Node.js Full-Stack
2021-2025

Computer Science Degree

AHE University, Łódź

GPA: 5.0 (Excellent)
AI & Machine Learning focus
Programming & Web Development
Python JavaScript AI/ML
2020-2024

Manpower Experience

Production & Service Roles

Production, construction & service
Process optimization & digitization
Reduced reporting time by 75%
Excel Process Optimization
2004-2008

Marketing & Management

WSB - National Louis University

International Marketing focus
Management principles
International perspective
Marketing Management International
2009-2024

Graphic Design Freelance

15 Years of Creative Experience

UI/UX design & visual aesthetics
Brand identity & marketing materials
User-centered design principles
UI/UX Design Creative

Future Vision

Evolving as a full-stack developer, focusing on AI/ML integration, cloud solutions, and innovative applications that solve real-world problems.

AI/ML Cloud Innovation Growth
In Progress

Languages I Speak

I speak multiple languages that help me with international projects.

Language Skills & Proficiency

🇵🇱

Polish

Native
Perfect pronunciation
Native fluency
🇳🇴

Norwegian

B2
Work environment
Daily conversation
🇬🇧

English

C1
Technical communication
International projects
🇮🇹

Italian

A2
Basic conversation
Cultural appreciation
Polish 100%
Norwegian 75%
English 85%
Italian 40%

4 Languages

Multilingual

International

Communication

Team Work

Collaboration

Featured Projects

Here are some of my most notable projects that showcase my skills and expertise.

Solar Explorer GIF
Featured

Solar Explorer

4.9

Responsive HTML website for space learning with video backgrounds and interactive features.

HTML5 CSS3 JavaScript
UserProfile360 GIF
Premium

UserProfile360

4.8

A comprehensive user profile management system with advanced analytics and customization options.

React Node.js MongoDB
Norway Explorer GIF
Interactive

Norway Explorer

4.7

An interactive map showcasing the best tourist spots in Norway with dynamic filtering.

JavaScript Leaflet.js API
Bakery Ordering GIF
E-commerce

Bakery Ordering

4.6

An online bakery ordering system with real-time inventory management and payment processing.

PHP MySQL Bootstrap
Luxury Estates GIF
Premium

Luxury Estates

4.9

A premium real estate website showcasing luxury properties with advanced search and virtual tours.

HTML5 CSS3 JavaScript
Gym Fitness GIF
Fitness

Gym Fitness

4.5

A responsive website for a fitness center with schedules and class information.

HTML5 Bootstrap CSS3
View All Projects on GitHub

All Projects

Explore all my projects, including advanced AI tools, simulators, and more. For full details, visit the dedicated page below.

View All Projects

Product Manager

Python Flask
Product Manager Demo
API

A comprehensive tool for managing product lifecycles, features, and roadmaps with advanced analytics.

React ToDo Pro

React CSS3
React ToDo Pro GIF
App

A modern to-do list application built with React, designed for efficient task management and seamless organization of daily activities.

Bike Service

HTML5 Bootstrap
Bike Service GIF
Service

A responsive website for a bike service center with booking and service information.

AI Career Navigator

Python AI
AI Career Navigator GIF
AI

An AI-powered career guidance system that helps developers choose their next career path.

PyQt MindMapper

Python PyQt
PyQt MindMapper GIF
Desktop

A desktop application for creating and organizing mind maps with interactive features.

TempTracker DB

Java SQLite
TempTracker DB GIF
Monitor

A Java Swing app for monitoring sensor data with real-time logging and visualization.

My Skills

Here's a comprehensive overview of my technical skills and the tools I work with across 80+ projects.

Full-Stack Development Background

Full-Stack Development

Modern web applications, RESTful APIs, database design, and cloud deployment.

React.js React.js Node.js Node.js Python Python JavaScript JavaScript Flask Flask FastAPI
React.js 90%
Node.js 85%
MongoDB 80%

ALL SKILLS

React.js React.js Tailwind CSS Tailwind CSS Vue.js Vue.js JavaScript JavaScript Node.js Node.js Firebase Firebase Flask Flask FastAPI FastAPI MongoDB MongoDB Swagger Swagger Spaceman API Angular Angular
Desktop Applications Background

Desktop Applications

Cross-platform desktop applications with modern frameworks.

Python Python Java Java C++ C++ Windows Windows PyQt5 PyQt5 JavaFX JavaFX
PyQt5 85%
Java Swing 80%
Tkinter 75%

ALL SKILLS

JavaFX JavaFX Python PyQt5 Python Tkinter Java Java Swing Windows API Python PyOpenGL C++ Builder VCL GUI Development
AI Background

AI & Deep Learning

Deep learning, neural networks, computer vision, and NLP.

TensorFlow TensorFlow PyTorch PyTorch Python Python OpenCV OpenCV RAG
TensorFlow 88%
PyTorch 85%
OpenCV 82%

ALL SKILLS

TensorFlow TensorFlow PyTorch PyTorch Keras Keras OpenCV OpenCV NLTK Scikit-learn LangChain RAG Hugging Face Transformers GroqCloud LLaMa API OpenAI API Whisper (ASR)
Embedded Systems & IoT Background

Embedded Systems & IoT

IoT development, TinyML, microcontroller programming, and sensor integration.

Arduino Arduino Raspberry Pi Raspberry Pi C C C++ C++ ESP32 MicroPython MicroPython
Arduino 90%
ESP32 85%
C/C++ 80%

ALL SKILLS

MicroPython MicroPython Arduino Arduino IDE Arduino Arduino ESP32 Raspberry Pi TensorFlow TensorFlow Lite ONNX ESP-IDF C C C++ C++ MQTT MQTT.js I2C DHT11 Sensors
Cloud & CI/CD Background

Cloud & CI/CD

Cloud infrastructure, continuous integration, deployment automation, and DevOps practices.

Azure Azure Docker Docker GitHub GitHub Git Git Serverless AWS Lambda
Docker 85%
GitHub Actions 80%
Azure Functions 75%

ALL SKILLS

Azure Azure Functions Docker Docker GitHub GitHub Actions Git Git Azure DevOps AWS Lambda Serverless
Databases Background

Databases

Database design, management & optimization for reliable, scalable apps.

PostgreSQL PostgreSQL MySQL MySQL Oracle Oracle SQLite SQLite MariaDB MariaDB
PostgreSQL 88%
MySQL 85%
SQLite 82%

ALL SKILLS

MariaDB MariaDB PostgreSQL PostgreSQL MySQL MySQL Oracle Oracle SQLite SQLite Data Analysis ETL/OLAP phpMyAdmin ODBC Data Warehousing XAMPP
Scientific Computing & Data Science Background

Computing & Data Science

Mathematical modeling, data analysis, and scientific simulations.

Python Python R R Pandas Pandas NumPy NumPy Matplotlib Matplotlib
Python 92%
Pandas 88%
NumPy 85%

ALL SKILLS

SciPy SciPy Python Python R R Pandas Pandas NumPy NumPy Matplotlib Matplotlib Seaborn Tableau LaTeX RapidMiner ggplot2 Excel Solver Chart.js MATLAB Pillow Physics Simulation Mathematics Statistics Numerical Methods Linear Algebra Probability tkcalendar
Other Tools Background

Other Tools

Project management, design tools, mobile development, and productivity software.

Figma Figma Photoshop Photoshop Illustrator Illustrator Unity Unity Canva
React Native 80%
Adobe Photoshop 75%
Power BI 70%

ALL SKILLS

Figma Figma Canva Miro Monday.com Unity Unity Unreal Engine Unreal Engine Godot Godot Trello Trello GIMP GIMP Blender Blender React React Native Android Android Photoshop Adobe Photoshop Illustrator Adobe Illustrator MS Project iOS BPMN File I/O Microsoft Office LibreOffice Microsoft 365 Power BI Joomla W3CSS Cross-platform InDesign CorelDRAW 2021
Security & Dev Background

Security & Dev

Cybersecurity, secure development practices, encryption, and network security tools.

Kali Linux Kali Linux Python Python Windows Windows Linux Linux Nmap
Wireshark 75%
SSL/TLS 70%
Encryption 65%

ALL SKILLS

Kali Linux Kali Linux Wireshark Wireshark PuTTY VirtualBox VirtualBox SSL/TLS Encryption SQLCipher Nmap
Analysis & Management Background

Analysis & Management

Project management, business analysis, and agile methodologies.

XML XML Trello Trello GitHub GitHub Business Model Canvas (BMC)
Agile/Scrum 85%
ERD/DFD 80%
Gantt Charts 75%

ALL SKILLS

XML XML Diagrams Business Model Canvas (BMC) Lucidchart ERD DFD STD STC Agile Scrum ELH PRINCE2 Gantt Chart ProjectLibre XSLT XPath EDI Linux Linux

Complete Tech Stack Overview

My comprehensive technology portfolio spans across 80+ projects, covering full-stack development, AI/ML, embedded systems, data science, and more.

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Projects
0
Technologies
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Years

🎯 Core Strengths

  • Full-Stack Development
  • AI & Machine Learning
  • Embedded Systems & IoT

🚀 Specializations

  • Cross-Platform Development
  • Cloud & DevOps
  • Security & Best Practices

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My Passions

Besides programming, I have many passions that inspire my growth and creativity.

Artificial Intelligence

My dream is to create artificial consciousness. I love exploring AI, machine learning, and their real-world applications.

View AI & ML Projects

Design

Creating beautiful, intuitive user experiences through UI/UX design, visual aesthetics, and user-centered design principles.

Graphic Design Projects

Science

Continuous learning and experimenting is my way to grow.

Scientific Programs

Astronomy

Exploring the cosmos and understanding the universe's mysteries fascinates me.

PySolarSim

Quantum Physics

The fascinating world of quantum mechanics and its philosophical implications.

Young's Experiment

Philosophy

Deep thinking about existence, consciousness, and the nature of reality through philosophical exploration.

Philosophia Blog

Psychology

Understanding human behavior, cognition, and the complexities of the mind.

Psychology Channel

Music

I play piano and compose my own songs on PC – music is my escape.

Listen on SoundCloud

Travel

I love forest walks and discovering new places and cultures that broaden my horizons.

Norway Explorer

My Mentors

Intellectual Inspirations

Discover the brilliant minds that have shaped my thinking and approach to science, technology, and creativity.

Programming Articles

Latest insights, tips, and trends in programming and technology. Stay updated with the developer community.

Stay Connected with the Dev Community

Join thousands of developers worldwide in exploring the latest programming insights, sharing knowledge, and staying ahead of technology trends.

JavaScript Tricks
JavaScript 5 min read

5 JavaScript Tricks That Will Save You Hours

JavaScript is a powerful tool, but sometimes knowing a few tricks can significantly...

Read More
Python 3.13
Python 4 min read

What’s New and Improved in Python 3.13: Latest Features.

Version 3.13 brings a series of improvements that will change how we write Python code...

Read More
Web Security
Security 6 min read

How to Avoid Security Bugs in Web Applications?

Security should be the foundation of every project. Here are 3 key principles...

Read More
Game Development
Game Dev 4 min read

Game Dev in 48h: What Do Hackathons Give to Developers?

Participating in a hackathon is intense but developmental time that can change your career...

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Mobile Development
Mobile 5 min read

Flutter vs React Native — Which Framework to Choose in 2025?

Both frameworks allow you to create mobile applications, but they differ significantly...

Read More
AI and Programming
AI 6 min read

Will Artificial Intelligence Replace Programmers?

Not so much replace as change their role. Here's what the future holds for developers...

Read More

Elevator Pitch

Watch my elevator pitch to learn more about my background, skills, and what makes me unique as a developer.

My Story in 1 Minute

Learn about my journey, skills, and what drives me

Click to play

Duration: ~1 minute

HD Quality
1 min

Is it worth hiring me and why?

Absolutely yes! Here's why I'm the ideal candidate for your programmer and designer. I combine technical skills with creativity, fast learning, and passion for creating innovative solutions.

Fast Learning

I master new technologies at record speed. Within a week, I can go from basics to advanced implementations.

AI/ML & Fullstack Experience

I specialize in artificial intelligence, machine learning, and full-stack development. I create intelligent applications from frontend to backend.

UI/UX Creativity

I combine programming with design. I create not only functional but also beautiful and intuitive user interfaces.

System Integration

I can connect different technologies and systems into a cohesive whole. I create architectures that are scalable and easy to maintain.

Effective Communication

I communicate clearly and professionally in three languages. I can translate complex technical concepts in an understandable way.

Problem Solving

I love technical challenges. I analyze problems from different perspectives and find innovative solutions.

Ready to collaborate?

Don't wait! Contact me today and see how I can help with your projects.

Start Collaboration

Have Some Fun

Take a break and enjoy a quick game! Challenge yourself with this simple but addictive puzzle game.

🎮 Memory Card Game

Find matching pairs of cards. Test your memory and concentration!

Score: 0 Moves: 0

Click "Start Game" to begin. Find all matching pairs to win!

Get In Touch

Ready to collaborate? Let's discuss your project and how I can help bring your ideas to life.

Contact Information

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

Send Me a Message