Full Stack Developer | Python · FastAPI · React 18 · TypeScript

Building production-ready web applications with focus on backend architecture, real-time systems, and comprehensive testing.

Currently: Full Stack Developer at Playmaker.pro

Full-stack developer building scalable sports management system for coaches and teams.

Tech Stack: React 18, TypeScript, FastAPI, Python, PostgreSQL, Material-UI, Zustand

Key Focus:

• Real-time messaging systems for athlete-club communication
• Backend services with SQLAlchemy ORM and PostgreSQL
• Automated testing strategies (70%+ coverage achieved)
• Scalable architecture with modern state management
• CI/CD pipelines and performance optimization

Real-time messaging application built in 4 hours

A demonstration of rapid, AI-assisted full-stack development with comprehensive testing.

• Backend: FastAPI with WebSocket support, PostgreSQL, SQLAlchemy ORM
• Frontend: React 18, TypeScript, Material-UI, real-time updates
• Testing: Pytest backend (69% coverage), Vitest frontend
• Code: Repository

Highlights: Built in 4 hours · 69% test coverage · WebSocket real-time messaging · AI-assisted development

Geolocation-based workforce management SaaS

Complete location-aware time tracking platform with subscription billing and real-time monitoring.

• Live: app.gurudo.se | Landing
• Backend: Django REST Framework, PostgreSQL, JWT auth, geolocation validation
• Frontend: React, TypeScript, Vite, responsive dashboards
• Integrations: Stripe subscriptions, Klaviyo automation, Google Maps API
• Infrastructure: Docker, DigitalOcean, production deployment
• Code: Frontend | Backend

Key Features:

• 100m radius geolocation enforcement
• Per-seat subscription billing (Stripe)
• Real-time workforce monitoring
• Automated PDF report generation
• Role-based access control
• Multi-tenant architecture

CLI expense tracking with Google Sheets integration

Python application using Google Sheets as live database for personal finance management.

• Live Demo: Heroku
• Tech: Python, Google Sheets API, Google Cloud, Heroku
• Code: Repository

Features: 15 expense categories · CLI interface · Cloud deployment · Month/year comparisons

Community platform for interior design

Social platform for sharing wall art projects with user engagement features.

• Live: Demo
• Tech: Django, PostgreSQL, Cloudinary, Bootstrap, Heroku
• Code: Repository

Features: User accounts · Social interactions · Rich media handling · Responsive design

• Languages: Python (primary)
• Frameworks: FastAPI, Django REST Framework, Flask
• Databases: PostgreSQL, SQLAlchemy ORM
• API Design: RESTful APIs, OpenAPI/Swagger, validation
• Authentication: JWT, role-based access control (RBAC)
• Testing: Pytest (69% coverage achieved), unit & integration tests
• Real-time: WebSocket, async/await programming

• Core: React 18, TypeScript, JavaScript (ES6+)
• State Management: Zustand, Context API, custom hooks
• UI Libraries: Material-UI, responsive design
• Build Tools: Vite, npm, modern development workflows
• Testing: Vitest, React Testing Library
• Real-time: WebSocket integration, live updates

• Version Control: Git, GitHub, collaborative workflows
• Containerization: Docker, Docker Compose
• CI/CD: GitHub Actions, automated testing
• Cloud Platforms: Heroku, DigitalOcean
• Development: VS Code, debugging, profiling

• Payments: Stripe (subscriptions, webhooks, billing)
• Email: Klaviyo (automation, event-driven workflows)
• APIs: Google Maps, Google Sheets, external integrations
• Media: Cloudinary (image/file storage)

Full Stack Developer – Playmaker.pro (Dec 2025 - Present)

• Building production sports management platform
• React 18 + TypeScript frontend with Material-UI
• FastAPI backend with PostgreSQL and SQLAlchemy
• Real-time messaging features with WebSocket
• 70%+ test coverage with automated testing
• CI/CD pipelines and deployment workflows

Freelance Software Developer (Sep 2023 - Present)

• Delivering production-ready full-stack solutions
• International client collaboration
• 100% job success rate (on-time, on-budget)
• API integrations and backend systems
• Full ownership: architecture → deployment

Full Stack Engineer – Gurudo (Aug 2024 - Nov 2025)

• Developed and launched Gurudo Geo SaaS platform
• Django REST Framework + React full-stack architecture
• Geolocation-based access control (100m radius)
• Stripe subscription integration (per-seat billing)
• Production deployment with Docker on DigitalOcean
• Customer support and feature development

Production-Ready Applications:

• Real-time communication systems
• Geolocation-based business logic
• SaaS platforms with subscription billing
• RESTful APIs with comprehensive documentation
• Full-stack web applications (backend → frontend → deployment)
• Automated testing suites with high coverage

Technical Approach:

• API-first development
• Clean architecture & modular design
• Test-driven development (TDD)
• Async/await for real-time features
• Scalable backend services
• Modern frontend patterns

• Advanced FastAPI patterns (background tasks, dependency injection)
• React 18 concurrent features and Suspense
• WebSocket scalability and Redis pub/sub
• Microservices architecture patterns
• Advanced PostgreSQL optimization
• Docker orchestration and Kubernetes basics

• Portfolio: lukaszglowacz.com
• LinkedIn: lukas-glowacz
• GitHub: @lukaszglowacz
• Email: contact@lukaszglowacz.com
• Phone: +46 790 332 262 (SE) / +48 690 250 957 (PL)
• Location: Stockholm / Warsaw
• Availability: Open for B2B contracts

developer = {
    "name": "Łukasz Głowacz",
    "role": "Full Stack Developer",
    "current": "Playmaker.pro",
    "experience": "2.5+ years commercial development",
    "focus": ["Backend Architecture", "Real-time Systems", "Testing & Quality"],
    "stack": {
        "backend": ["FastAPI", "Django REST", "Python", "PostgreSQL"],
        "frontend": ["React 18", "TypeScript", "Material-UI", "Zustand"],
        "testing": ["Pytest", "Vitest", "70%+ coverage"],
        "devops": ["Docker", "GitHub Actions", "CI/CD"]
    },
    "achievements": {
        "sports_messenger": "Built in 4 hours with 69% test coverage",
        "gurudo_geo": "Production SaaS with paying customers",
        "playmaker": "Real-time sports management platform"
    },
    "available_for": "B2B contracts, full-time positions",
    "relocating": "Stockholm → Warsaw (2026)"
}

• 🏢 Currently employed at Playmaker.pro
• 🚀 2.5+ years commercial development experience
• 💼 100% freelance job success rate
• 🎯 70%+ test coverage achieved
• 🌍 International client collaboration
• 📦 5+ production applications deployed
• 🔧 FastAPI + React 18 specialist
• ✅ Available for B2B contracts

Technical Excellence:

• Modern tech stack (FastAPI, React 18, TypeScript)
• Testing-first approach (70%+ coverage standard)
• Production-ready code with proper architecture
• Real-time systems and WebSocket expertise

Professional Approach:

• 100% on-time, on-budget delivery
• Clear communication and documentation
• End-to-end ownership (design → deployment)
• Customer-focused development

Real-World Experience:

• Currently building production systems at Playmaker.pro
• Launched and maintained SaaS platform (Gurudo Geo)
• International client collaboration
• Full-stack capabilities across the entire development lifecycle

⭐ If you like my work, feel free to star my repositories!
Always open to interesting collaborations and new opportunities.

_{Built with ❤️ using Python, FastAPI, React 18, and TypeScript}