01
Enterprise Experience
Successfully delivered solutions for billion-dollar companies including YZ Systems and Ingersoll Rand, managing systems serving 150,000+ subpages and 90+ companies globally.
Software Engineer & Full-Stack Developer
Technical versatility combined with systems thinking allows me to transform complex challenges into effective solutions that deliver business value. Passionate about clean code, emerging technologies, and creating innovative software that makes a difference.
My Skills
Technical Skills & Expertise
As a Full-Stack Software Engineer, I have extensive experience with modern technologies and proven expertise in delivering scalable solutions across the entire development stack.
Frontend Development
React.js, Next.js, Vue.js, TypeScript, JavaScript, HTML5, CSS3, Tailwind CSS, and modern frontend frameworks for responsive web applications.
Backend Development
Node.js, NestJS, Express.js, Python, GO Lang, RESTful APIs, GraphQL with Apollo Server, and scalable server-side architecture.
Database Management
PostgreSQL, MongoDB, Redis, SQL, TypeORM, Prisma, and database design for high-performance applications with efficient data modeling.
DevOps & Cloud
Docker, Azure, Linux, CI/CD pipelines, Azure DevOps, deployment automation, and cloud infrastructure management for scalable applications.
Mobile Development
React Native for cross-platform mobile applications, ensuring optimal performance and user experience across iOS and Android platforms.
Testing & Quality
JEST for unit testing, Playwright for end-to-end testing, Git version control, JIRA project management, and code quality best practices.
Experience
Why choose me for your project?
Proven track record delivering high-impact solutions for global companies, including billion-dollar enterprises. Resilient problem-solver who consistently delivers quality results under pressure.
02
Performance Optimization
Revolutionized device testing processes, reducing time from 40 to 5 minutes (8x acceleration) and implemented rendering engines that significantly reduced production errors.
03
Full-Stack Versatility
Expertise across the entire technology stack from frontend React/Vue.js to backend Node.js/Python, databases, cloud infrastructure, and mobile development with React Native.
04
Business Impact
Delivered solutions that directly contributed to acquiring a $24 billion client through cloud-to-self-hosted migration system and improved team efficiency by over 70%.
05
Quality & Innovation
Passionate about clean code, emerging technologies, and implementing best practices including comprehensive testing with JEST and Playwright for reliable, maintainable solutions.
My Projects
Featured Projects & Achievements
Discover my portfolio of innovative projects showcasing full-stack development expertise, from vehicle management platforms to online tutoring systems, each built with modern technologies and best practices.
Active Development
React TypeScript NestJS PostgreSQL Docker
MotoSerwis - Vehicle Management Platform
Innovative vehicle maintenance management platform allowing users to track multiple vehicles, monitor mileage, and maintain detailed service history. Features AI-powered research for common vehicle problems and intelligent maintenance reminders.
- • Comprehensive vehicle tracking system
- • Secure document storage for receipts
- • MailChimp integration for notifications
- • Stripe payment processing
- • AI-powered maintenance suggestions
Completed
Next.js TypeScript Tailwind CSS Directus CMS Stripe
TutorTech - Online Tutoring Platform
Comprehensive online tutoring platform managing the entire development lifecycle from concept to deployment. Features secure authentication, automated scheduling, and integrated payment processing.
- • Secure authentication & authorization
- • Automated scheduling with calendar integration
- • Real-time notification system
- • Stripe payment & subscription management
- • Completed in 5-month timeframe
Testimonials
My customers think about Patryk
Design made easy, loved by all. Effortless design for everyone. That's what my service means to my customers.
Cefere
Creators
They took my vague ideas and transformed them into a stunning website that perfectly captures the essence of my brand.
Ertugrul
Creators
They took the time to understand my business goals and target audience before developing a website that would resonate with them.
Maulona
Artist
They were able to bring my vision to life in a way I never thought possible. Their creativity and technical expertise are truly impressive.
Edwiner
Artist
Create a high-quality website for my small business on a tight budget. They were incredibly understanding of my needs and worked within my constraints.
FAQ
Frequently Asked Questions
Have questions about my development services? Here are answers to the most common questions about working with me on your next project.
I specialize in full-stack web applications, mobile apps with React Native, enterprise systems, and cloud-based solutions. My experience ranges from large-scale platforms serving 150,000+ subpages to innovative SaaS applications with complex business logic, payment processing, and real-time features.
Frontend: React.js, Next.js, Vue.js, TypeScript, JavaScript, HTML5, CSS3, Tailwind CSS. Backend: Node.js, NestJS, Express.js, Python, GO Lang. Databases: PostgreSQL, MongoDB, Redis, TypeORM, Prisma. DevOps: Docker, Azure, Linux, CI/CD pipelines. Testing: JEST, Playwright, comprehensive testing strategies.
Absolutely! I have proven experience working with billion-dollar companies including YZ Systems (Ingersoll Rand) and managing critical systems. I've successfully delivered solutions that contributed to acquiring a $24 billion client and managed platforms serving 90+ companies globally with 100% uptime.
I implement comprehensive testing with JEST and Playwright, follow clean code principles, and use Git for version control. My approach includes proper documentation, code reviews, and implementing best practices that have reduced production errors and improved team efficiency by over 70% in previous projects.
Project timelines vary based on complexity, but I've delivered comprehensive platforms like TutorTech in 5 months end-to-end. My process includes initial analysis, architecture planning, iterative development with regular updates, comprehensive testing, and deployment. I maintain clear communication throughout and ensure business continuity during development.
Ready to Transform Your Ideas Into Reality?
Let's discuss your project and explore how my full-stack expertise can help you build scalable, innovative solutions that deliver real business value. From concept to deployment, I'm here to make it happen.
Available for freelance projects • Based in Poland • Fluent in English