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Radosław Marek
Radosław Marek

Software Developer

Open to offers · Member since 5 Nov 2026
Location
Kraków, Poland
Desired salary
Unspecified
Work preference
Remote Only / Full Time, Contract
Experience level
Mid

About

Professional summary

I am a software developer focused on TypeScript, React, and modern web and mobile application development. Since 2023, I have gained commercial experience across frontend and software development roles.

I build web applications with React and Next.js and mobile applications with React Native, Expo, and TypeScript. I am particularly interested in performant, practical user interfaces and offline-first mobile experiences.

I also work with backend and automation technologies, including Node.js, Python, PostgreSQL, SQLite, REST APIs, and GraphQL. My experience includes third-party API integrations, data synchronization workflows, and production automation.

I care about software quality and delivery processes. I use automated testing and CI workflows with tools such as Vitest, Jest, Playwright, Maestro, GitHub Actions, and GitLab CI.

I am an Applied Computer Science student at Jagiellonian University and have participated in five hackathons, including winning TechQuest 2024. I also contribute to open source, including a merged contribution to TypeGPU.

Skills

26 capabilities
API IntegrationAutomated TestingBackend DevelopmentCI CDContext APIDatabase DesignEnd To End TestingFrontend DevelopmentGraphQLJavaScriptMobile DevelopmentNext.jsPerformance OptimizationPythonReactReact NativeREST APIsSecurity TestingSQLState ManagementTypeScriptWeb DevelopmentWooCommerceWordPress DevelopmentWorkflow AutomationZustand

Tech stack & tools

Working toolkit

Application Hosting

Supabase

Application Utilities

Postman

Data Stores

PostgreSQLSQLite

Development

GitGitHubJestViteWordPress

Languages & Frameworks

ExpoPlaywrightPyTestVitest

Marketing and Sales Tools

WooCommerce

Experience

Career history

Software Developer Smartwear

Worked remotely as a contract Software Developer on web and mobile product development in Poland.

Designed and built frontend functionality for a vehicle inspection system, including a Next.js office panel and a React Native Expo application for drivers. Implemented offline inspection storage and synchronization when connectivity returned.

Set up CI workflows with automated Playwright and Maestro tests and mobile builds through EAS. Integrated production services including Google Maps, payment gateways, and SMTP.

Software Developer DevCodi / Divstack

Completed summer Software Developer contracts in Rzeszów, Poland, during June through September 2024 and July through August 2025.

Prototyped web and mobile delivery applications using Supabase, React, React Native, and TypeScript. Delivered client websites and online stores with WordPress and WooCommerce.

Built Python and n8n automation workflows integrated with Airtable, including real-time ticket availability synchronization and ClickUp time-tracking synchronization with automated Excel reporting.

Frontend Developer Cetuspro

Developed B2B React projects and delivered production interfaces and features for clients in Rzeszów, Poland.

Developed and optimized React components to improve page-load and rendering performance. Integrated external REST APIs and improved product UX.

Progressed from intern to core team member and participated actively in code reviews.

Education

Learning history

Zespół Szkół Technicznych im. Tadeusza Kościuszki

IT Programmer Technician, Information Technology

Completed technical secondary education in Leżajsk with a specialization in IT programming.

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