What Have I Been Working on Lately?
artgeist sp. z o.o
Front-end Developer / September 2021 – July 2025 (3 years 11 months)
- Built and developed bimago.pl, an internal web platform using Next.js, React, and TypeScript
- Integrated and consumed RESTful APIs; used Payload CMS as a headless content management system
- Improved performance using React Server Components (RSC), reducing CPU and memory usage by 10–20%
- Applied clean code principles, component reusability, and design patterns for scalability and maintainability
- Wrote automated tests with Playwright and Vitest
- Managed CI/CD pipelines with GitLab, Docker, Kubernetes, and AWS deployments
- Participated in Scrum and Kanban ceremonies, technical planning, and code reviews
- Built UI components and integrated APIs (Exponea, Dofinder, Adyen, eTrusted)
- Developed and maintained Magento 1/2 front-end and back-end modules, including admin panel features and full migration
Stack: React, Next.js, TypeScript, tRPC, React Query, Next-Intl, Radix UI, Payload CMS, Lexical, Material UI, Zod, SCSS, Tailwind, Docker, Redis, Vitest, Playwright, GTM, Sentry
Other technologies: Magento 1/2, Joomla, jQuery, Prototype, Backbone, PHP, LESS, MySQL, Composer, Solr, Kubernetes
konceptika
Fullstack Developer / July 2013 – August 2021 (8 years 2 months)
- Led full-cycle development of web applications, e-commerce platforms, games
- Delivered frontend, backend, and infrastructure code
- Built solutions using React, Redux, WordPress, PHP, and Firebase
- Developed with FabricJS, PixiJS, ThreeJS, and integrated with social APIs
- Built REST APIs, analytics integrations, GTM setups
Stack: JS, TypeScript, React, Redux, Next.js, WordPress, PHP, SCSS, Tailwind, Styled Components, Material UI, MySQL, GraphQL, Firebase, Facebook API, GA, GTM, Docker, Git
Libraries and engines: FabricJS, PixiJS, ThreeJS, BabylonJS, AnimeJS
Freelance
Fullstack Developer / 2006 – Present
- Delivered full-cycle web development services: planning, UI/UX, coding, deployment, and maintenance
- Supported small businesses with custom WordPress, WooCommerce, Next.js, and Remix solutions
- Managed hosting, DNS, Cloudflare, performance optimization, monitoring (Sentry, GlitchTip)
- Built 2D/3D games and hobby projects using BabylonJS, React, and Docker environments
Stack: JS, TypeScript, React, Remix, Astro, Next.js, WordPress, WooCommerce, WP Themes & Plugins, Gutenberg, PHP, SCSS, Tailwind, BabylonJS, Git, Docker, Cloudflare, GA, GTM, Sentry, GlitchTip