hajnýondřej

Cookielab

Contributing to a product for a media research tool Ravineo.

• Server part for collecting and processing data (GCP, Node.js, Fastify)
• Web application with backend-for-frontend and user facing interface (Next.js, shadcn/ui, trpc, kysely)

Cookielab

Working on a various smaller project.

• UI for self-serving meals machine (React.js, AWS AppSync, Playwright, vitest)
• GUI for a small utility application gathering info from RFID chips (Solid.js, TailwindCSS, MSW)
• product listing web application (Next.js, TailwindCSS, Docker, Postgres, kysely)

Cookielab

Working in a small team for Kiwi.com delivering frontend parts of product. (React.js, Next.js, Orbit, GraphQL, jest, Cypress)

• iterating over a feature in MVP phase moving it to a standalone working product
• cooperating with other teams to solve issues from MVP phase
• refactoring codebase to match the company's standards

Freelancer

I work on various projects from simple static websites for presentation to robust applications concerning frontend, backend and partly deployment. Using modern technologies and approaches.

• custom blogging system (Wordpress, Bootstrap)
• several presentation websites (various JS tools)
• web scrapers and crawlers (mainly Apify)
• CLI utilities

FIEDLER AMS

FIEDLER is a small company developing IoT devices mainly focused on meteorology. Focusing mainly on frontend I was part of team developing newly designed cloud platform for data access and device configuration.

• frontend for Electron application (Aurelia.js, Electron)
• frontend SPA (Aurelia.js, REST API, WS, jest, Cypress)

FIEDLER AMS

FIEDLER is a small company developing IoT devices mainly focused on meteorology. I developed few custom modules for Drupal CMS system working on both frontend and backend part. Modules involved working with roles, users and other core features of Drupal.

• built custom reusable Drupal modules

Czech Technical University - Faculty of Informatics

University of South Bohemia - Faculty of Science

Frontend

• HTML
• CSS
• SCSS
• JavaScript
• TypeScript
• Figma
• React.js
• Next.js
• Solid.js
• Cypress
• Playwright
• vitest
• jest

Backend

• Node
• Next.js
• PHP
• Postgres
• MySQL

Devops

• Docker
• GitLab CI/CD

Utilities

• git
• npm
• linux
• bash

SCADA screen for water industry usage

Bachelor thesis project, graded excellent. HMI part of SCADA system written in Aurelia.js

roles: developer

• WS communication
• dynamic SVG rendering
• software design
• user testing

SK Rudolfov - soccer club's website

Presentation website for local sports club. Written in Next.js using Wordpress as a headless CMS.

roles: fullstack

• GraphQL API communication
• TailwindCSS styling

Šlichta - restaurant's menus

Website aggregating favorite restaurant's menus at one place written in Next.js.

roles: frontend

• scraper for various websites
• API setup between Apify scraper, GitLab CI/CD and Next.js application

Middleman UIkit documentation template

Theme template for static site generator Middleman. Mainly for documentation purposes, supports few layouts and some useful tools. Ready for GitLab static site editor.

roles: frontend,designer

• creating template using ruby and Middleman tools
• designing theme similar to other

UIkit icons extended

Extended icons pack for UIkit.

roles: designer

• icons design in Figma
• continuous deployment using Figma API and GitLab CI/CD