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Adrian Rachlewicz

Fullstack Developer

I design and deliver web applications end to end: from concept and architecture, through data modelling, to the user interface.

./contact.shcurl -O cv.pdf

cat about.md

About

Full-Stack Developer with 2 years of commercial experience, specializing in the design and implementation of web and mobile applications. My core technology stack includes React, Laravel, and PostgreSQL. I handle the complete software development lifecycle, delivering robust backend architectures paired with modern user interfaces.

Location
Rzeszów, Poland
Education
  • Master of Science in Computer Science, Specialization: Artificial IntelligenceUniversity of Information Technology and Management in Rzeszow, – present
  • Bachelor of Engineering in Computer Science, Specialization: Web and Mobile TechnologiesUniversity of Information Technology and Management in Rzeszow, –
Languages
  • Polish (native)
  • English (B2)

ls -la stack/

Stack

Frontend

  • React
  • Next.js
  • JavaScript
  • TypeScript
  • HTML5
  • CSS3
  • Tailwind CSS
  • Redux
  • Zustand
  • TanStack Query
  • Inertia
  • React Native
  • shadcn/ui
  • Chart.js
  • Vite
  • Webpack

Backend

  • Laravel
  • PHP
  • Livewire
  • Filament
  • Node.js
  • Express
  • Python
  • FastAPI
  • WebSockets
  • Microservices

Databases

  • PostgreSQL
  • MySQL
  • MariaDB
  • SQLite
  • MongoDB
  • Redis
  • Elasticsearch
  • Firebase

Testing

  • Pest
  • PHPUnit
  • Jest
  • Testing Library
  • Cypress
  • Apache JMeter

Tools & DevOps

  • Git
  • Docker
  • GitHub Actions
  • Jenkins
  • CI/CD
  • Linux
  • Nginx
  • Vercel
  • Postman
  • MinIO
  • Claude Code

history

Experience

  1. – present

    Fullstack Developer @ NauczMnie Sp. z o.o.

    • nauczmnie.pl(opens in a new tab)

      A comprehensive SaaS educational platform designed to automate teaching processes, content distribution, and student progress tracking. It provides tutors, schools, and organizations with built-in tools like competency matrices, test creators, and automated material sharing to significantly streamline daily administration.

    • flika.pl(opens in a new tab)

      A location-based platform and application tailored for discovering real-time local deals, events, and business announcements. It connects users with nearby services by providing instant, radius-based search and live notifications about active promotions in categories like food, shopping, and entertainment.

    • Docker
    • FastAPI
    • Filament
    • Jenkins
    • Laravel
    • Next.js
    • PHP
    • PostgreSQL
    • React
    • Redis
    • TypeScript

  2. – present

    Fullstack Developer @ Freelancing

    • Docker
    • FastAPI
    • Filament
    • Laravel
    • MySQL
    • Next.js
    • PHP
    • PostgreSQL
    • React
    • Redis
    • TypeScript

git log --projects

Portfolio

commercial/

  • 2026 · Owner

    Streakly

    A web and mobile exam-prep app for IT certifications (AWS, CompTIA, CEH), combining quizzes, timed exam simulations, and spaced-repetition flashcards in one place. Built with Laravel/React (web), featuring a Free/Premium (Stripe) model and support for 9 languages.

    • Laravel
    • PHP
    • React
    • TypeScript
    • Inertia
    • React Native
    • +6

  • 2024 · Fullstack Developer

    Flika

    A location-based platform and application for discovering real-time local deals, events, and business announcements. It connects users with nearby services through radius-based search and live notifications about active promotions.

    • Laravel
    • PHP
    • React
    • TypeScript
    • Next.js
    • PostgreSQL
    • +4

  • 2024 · Fullstack Developer

    NauczMnie

    A comprehensive SaaS educational platform designed to automate teaching processes, content distribution, and student progress tracking. It provides tutors, schools, and organizations with built-in tools like competency matrices, test creators, and automated material sharing.

    • Laravel
    • PHP
    • React
    • TypeScript
    • Next.js
    • PostgreSQL
    • +4

open-source/

  • react-image-spots(opens in a new tab)

    A plug-and-play React library designed for effortlessly adding interactive hotspots onto images and creating multi-layer visual composites. It features a built-in visual edit mode, providing a complete, drop-in solution to easily place and manage interactive elements without complex configuration.

    • #image-map
    • #image-transitions
    • #landing-tools
    • #react

    TypeScript

  • planter(opens in a new tab)

    A React Native (Expo) mobile app for recognizing wild plants. You take a photo with the camera, the app sends it to the Planter API and shows the name and description of the recognized plant.

    • #react-native
    • #expo
    • #typescript
    • #mobile

    TypeScript

  • planter-api(opens in a new tab)

    The FastAPI backend of the Planter app. It takes a photo and recognizes one of 62 wild plant species with a ResNet50 model (PyTorch), then returns the plant's details from PostgreSQL (SQLAlchemy, Alembic).

    • #fastapi
    • #pytorch
    • #resnet50
    • #postgresql

    Python

  • diamonds-price-dashboard(opens in a new tab)

    An interactive Streamlit dashboard for diamond price analysis: data cleaning, anomaly detection, PCA and t-SNE, a Random Forest price model and a valuation calculator.

    • #streamlit
    • #scikit-learn
    • #data-analysis

    Jupyter Notebook

./contact.sh

Contact

Have a question or a project in mind? Write to me and I will reply by email.

~/contact.sh