Tomáš Vondráček

• Web application development
• Mobile application development
• Teaching and consulting on web technologies

MOST RECENT FREELANCE WORK

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001 Active

Rockfest Kuřim

International rock bands and cover bands on one stage

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002 Active

Půjčovna dovolená

Get ready for a dream vacation

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003 Active

Půjčovna minibagry

Ready-to-dig Kubota rentals on Vysočina.

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JOBS

Oct 2016 — Present (9+ years of experience)

Remote Nov 2021 — Present

Application Developer

4 years 8 months

ECB

Developing 2 apps. One application is in React 16 with Azure Functions on BE. The other app is managed using NX monorepo for AI assistants in React 19 that are deployed as standalone React-Router 7 SSR app and also as embedded app via Module federation.

Module Federation Node.js React React Query React Router Storybook Tailwind CSS TypeScript Vitest Zustand

Aug 2024 — Present

Fliggs

Developing mobile application in React Native, where I'm responsible for creating the part of the app related to web3 standards (DID, NFT, Tokens).

Google Cloud React Native React Query Stripe TypeScript Vitest Web3 Zustand

Dec 2023 — Jul 2024

Spryr

Developing website for booking luxury vacations with huge variety of accommodations to choose from. I was developing frontend in SvelteKit and guide creation of application architecture and components. I was also supporting development on BE side with Nest.js, PostgreSQL, where I created migrations config with TypeORM and email server. Payments were handled by Stripe and API communication with GraphQL. App was deployed via Google Cloud.

GraphQL Nest.js Node.js PostgreSQL React Query Stripe SvelteKit Tailwind CSS TypeORM TypeScript

Apr 2023 — Jun 2024

Your Guides

Developing platform for scheduling meetings with mentors/mentees where I was doing full stack where FE was in Next.js and BE in Nest.js with PostgreSQL. I was actively involved in design revisions and suggestions and optimized page load speeds by using React-Query. API communication was done using REST API. App was deployed via IBM Cloud.

Nest.js Next.js Node.js PostgreSQL React React Query Redux Tailwind CSS TypeScript

Jan 2022 — Mar 2023

Roche

Developing dashboard views in React with Jest and React Testing Library with coverage of minimum 90 %. I created also forms using Formik library.

Jest React React Query Redux TypeScript

Jun 2021 — Dec 2021

Remote Aug 2021 — May 2025

Web technologies tutor

3 years 9 months

• Teaching basic and advanced JavaScript, HTML and CSS topics
• Over 340 hours taught
• Average rating 4.9 out of 5 based on student feedback

HTML / CSS JavaScript TypeScript

Hybrid Jul 2019 — Nov 2021

FE development

2 years 4 months

Fast AI

Developing an analytical tool in JavaScript for collecting information about users on the web.

JavaScript React React Query TypeScript

Hybrid Aug 2017 — Jul 2019

Full Stack JS Developer

1 year 11 months

Component library

Developing a component library for eBay in React (Redux, Redux-Saga)

React Redux Storybook

Commercial banners

Ad solutions on the web (SafeFrame, cookies, tracking, ...)

HTML / CSS JavaScript

On-Site Oct 2016 — Mar 2017

Frontend Web Developer

5 months

Creating website templates (PHP, JavaScript, HTML, LESS/SASS)

HTML / CSS JavaScript PHP

SKILLS

Tap any skill to see where I used it

TypeScript 7 React Query 6 Tailwind CSS 6 React 5 JavaScript 4 PHP 4 Bolt CMS 3 HTML / CSS 3 Node.js 3 Redux 3 Twig 3 Nest.js 2 PostgreSQL 2 Storybook 2 Stripe 2 Vitest 2 Zustand 2 Google Cloud 1 GraphQL 1 Jest 1 Module Federation 1 Next.js 1 React Native 1 React Router 1 SvelteKit 1 TypeORM 1 Web3 1 Show 13 more skills

TypeScript×7

×

• Lundegaard · Fast AI
• Software Development Academy · Web technologies tutor
  2021–2025
• IBM · ECB
  2024–Present
• IBM · Fliggs
  2023–2024
• IBM · Spryr
  2023–2024
• IBM · Your Guides
  2022–2023
• IBM · Roche
  2021–2021

React Query×6

×

• Lundegaard · Fast AI
• IBM · ECB
  2024–Present
• IBM · Fliggs
  2023–2024
• IBM · Spryr
  2023–2024
• IBM · Your Guides
  2022–2023
• IBM · Roche
  2021–2021

Tailwind CSS×6

×

• IBM · ECB
  2024–Present
• IBM · Spryr
  2023–2024
• IBM · Your Guides
  2022–2023
• Půjčovna minibagry  ↗
  2016–Present
• Rockfest Kuřim  ↗
  2024–Present
• Půjčovna dovolená  ↗
  2019–Present

React×5

×

• Cognito · Component library
• Lundegaard · Fast AI
• IBM · ECB
  2024–Present
• IBM · Your Guides
  2022–2023
• IBM · Roche
  2021–2021

JavaScript×4

×

• XART s.r.o. · Frontend Web Developer
  2016–2017
• Cognito · Commercial banners
• Lundegaard · Fast AI
• Software Development Academy · Web technologies tutor
  2021–2025

PHP×4

×

• XART s.r.o. · Frontend Web Developer
  2016–2017
• Půjčovna minibagry  ↗
  2016–Present
• Rockfest Kuřim  ↗
  2024–Present
• Půjčovna dovolená  ↗
  2019–Present

Bolt CMS×3

×

• Půjčovna minibagry  ↗
  2016–Present
• Rockfest Kuřim  ↗
  2024–Present
• Půjčovna dovolená  ↗
  2019–Present

HTML / CSS×3

×

• XART s.r.o. · Frontend Web Developer
  2016–2017
• Cognito · Commercial banners
• Software Development Academy · Web technologies tutor
  2021–2025

Node.js×3

×

• IBM · ECB
  2024–Present
• IBM · Spryr
  2023–2024
• IBM · Your Guides
  2022–2023

Redux×3

×

• Cognito · Component library
• IBM · Your Guides
  2022–2023
• IBM · Roche
  2021–2021

Twig×3

×

• Půjčovna minibagry  ↗
  2016–Present
• Rockfest Kuřim  ↗
  2024–Present
• Půjčovna dovolená  ↗
  2019–Present

Nest.js×2

×

• IBM · Spryr
  2023–2024
• IBM · Your Guides
  2022–2023

PostgreSQL×2

×

• IBM · Spryr
  2023–2024
• IBM · Your Guides
  2022–2023

Storybook×2

×

• Cognito · Component library
• IBM · ECB
  2024–Present

Stripe×2

×

• IBM · Fliggs
  2023–2024
• IBM · Spryr
  2023–2024

Vitest×2

×

• IBM · ECB
  2024–Present
• IBM · Fliggs
  2023–2024

Zustand×2

×

• IBM · ECB
  2024–Present
• IBM · Fliggs
  2023–2024

Google Cloud×1

×

• IBM · Fliggs
  2023–2024

GraphQL×1

×

• IBM · Spryr
  2023–2024

Jest×1

×

• IBM · Roche
  2021–2021

Module Federation×1

×

• IBM · ECB
  2024–Present

Next.js×1

×

• IBM · Your Guides
  2022–2023

React Native×1

×

• IBM · Fliggs
  2023–2024

React Router×1

×

• IBM · ECB
  2024–Present

SvelteKit×1

×

• IBM · Spryr
  2023–2024

TypeORM×1

×

• IBM · Spryr
  2023–2024

Web3×1

×

• IBM · Fliggs
  2023–2024

EDUCATION & RECOGNITION

2016 — 2021

Certificate of Pedagogical Competence

BRNO UNIVERSITY OF TECHNOLOGY — FEEC

2019 — 2021

Ing. — Master of Science

Application Development · FIT

BRNO UNIVERSITY OF TECHNOLOGY

Master's thesis:  Browser and User Fingerprinting for Practical Deployment

DEAN'S AWARD

Outstanding Master's Thesis

Digital fingerprinting library — 117 browser/device signals, Chrome extension, Cloud Firestore. Data analyzed from thousands of users using Python.

BUT · JULY 2021

EXPERT PANEL AWARD

Excel@FIT Conference

Comprehensive work revealing the anonymity of users browsing the Internet. Article based on the master's thesis.

Read the article (PDF)↗ EXCEL@FIT · MAY 2021

2016 — 2019

Bc. — Bachelor of Science

Faculty of Information Technology

BRNO UNIVERSITY OF TECHNOLOGY

Bachelor's thesis:  Smart Loudspeaker with Raspberry Pi

DEAN'S AWARD

Outstanding Bachelor's Thesis

Smart speaker with Raspberry Pi — React Native app, React web app, REST + WebSocket server. Multi-user real-time music scheduling.

BUT · JUNE 2019