Fullstack Developer — frontend & mobile
Hi, I'mPatryk Marszelewski.
I'm a Fullstack Developer with a strong focus on frontend and several years of experience building web and mobile applications. I work with JavaScript, TypeScript, Next.js, React and React Native to create responsive, scalable and user-friendly apps. I care about clean code, team collaboration and continuously improving products that make a real impact.
- Work
- Remote work · Poland 🇵🇱
- On-site
- Lubawa, Iława, Ostróda, Nowe Miasto Lubawskie, Olsztyn
- Stack
- TypeScript, React, Next.js, React Native, Node.js, Wordpress
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Tools I use
- Languages
- JavaScriptTypeScriptPythonPHPJavaC#
- Frontend
- ReactReact NativeExpoViteNext.jsStorybook
- Backend & runtime
- Node.jsExpressMySQLMongoDBRedisSQLitePostgreSQL
- Styling
- Tailwind CSSBootstrapStyled ComponentsCSSSassPostCSS
- CMS
- WordPressElementor
- Tools
- GitESLintFigmaDockerPortainerVPSPrettiernpmpnpmPostmanHoppscotch
- Testing
- JestVitestCypressMochaTesting LibrarySelenium
- AI & assistants
- CursorChatGPTGeminiClaudePerplexityHugging FaceOllama
- Systems & software
- Microsoft OfficemacOSLinuxMicrosoft DynamicsSQL
- Accessibility
- Accessibility
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What I'm working on
I help brands, companies, institutions and startups create unique digital experiences – from strategy to implementation and product development.
Get in touch
Want to work together?
I'm open to new projects – get in touch and let's build something valuable.
••••••@••••••Contact