Martin Krištof

React Expert, Conference Speaker, and Technical Trainer specializing in modern web development, React optimization, Next.js, and QA.

Book Training View Courses

Conference Talks

Upcoming

30 Sep - 14:35

Přestaňte psát Playwright testy: nechte je generovat AI
🇨🇿

Moderní stack no. 7

Event Details →

Upcoming

6 Oct - 14:00

Stop Writing Playwright Tests: Let AI Generate Them
🇬🇧

FrontKon 26

Event Details →

Upcoming

8 Oct - 18:00

Stop Writing Playwright Tests: Let AI Generate Them
🇬🇧

React Brno #2

Event Details →

Upcoming

20 Nov - 13:00

Stop Writing Playwright Tests: Let AI Generate Them
🇬🇧

TechMeetup Conference 2026

Event Details →

React 19: What's New and How to Use It Today
🇨🇿

TechMeetup #35: Frontend

React Compiler: The Game Changer?
🇨🇿

MeetUpdate 2024

React Compiler: Game Changer?
🇬🇧

TechMeetup 2024

Past Talks

2025

React Compiler in action! Workshop
🇬🇧

WebExpo 2025

View Details

2025

React Compiler: The game changer?
🇬🇧

Outreach Meetup

View Details

2024

React Premature Optimization
🇨🇿

MeetUpdate 2024

View Details

2024

Performance Measurement of Micro-frontends in CI/CD via SpeedCurve
🇨🇿

FrontKon 24

View Details

2023

How to Use the Power of Cooperation?
🇨🇿

FrontKon + Frontendisti

View Details

2023

Next.js 14 + Server Actions - remastered
🇨🇿

TechMeetup 2023

View Details

2022

WebExpo Host for Speakers Corner
🇬🇧

WebExpo

QA with Robin Pokorný, QA with Břéťa Proft and Terka Vaňková

View Details

2022

Visual Regression Testing
🇨🇿

Frontendisti

View Details

2021

React Premature Optimization
🇨🇿

FrontKon

View Details

2020

Next.js
🇨🇿

Vzhurudolu.cz podcast

View Details

2018

Next.js and UI Library
🇨🇿

Frontendisti

View Details

2016

Jobs UI
🇨🇿

Frontendisti

View Details

TechMeetup Frontend 25 - React 19: What's New and How to Use It Today

Online Courses

React 19 for Beginners
🇨🇿

Start your journey with React 19

View Course

React 19 for Intermediate
🇨🇿

Level up your React skills

View Course

React 19: Deep Dives
🇨🇿

Master advanced React concepts

View Course

View All Courses

Teaching & Training

Corporate Training

Česká Spořitelna

Designed and led the migration from Angular to React through workshops. Currently teaching LWC components and Unit Testing.

View Case Study →

Public Courses

Anywhere Education

5+ years of teaching React, Next.js, JavaScript, and testing methodologies through public workshops and corporate training.

Learn More →

Writing

Hackathons for OneUI
🇨🇿

<HeurekaDevs />

An in-depth look at improving UI libraries through focused hackathons.

Read Article →

Martin Krištof at FrontKon 2024 about Measuring the Performance of Micro-frontends
🇨🇿

<HeurekaDevs />

This year FrontKon was packed. More than four dozen speakers took turns in three lecture halls, and Martin Krištof was among them.

Read Article →

Visual Regression Testing
🇨🇿

<HeurekaDevs />

Our frontend developer Martin Krištof summarized what visual regression tests are for and why we decided to use them at Heureka Group.

Read Article →

View All Articles on HeurekaDevs

Work Experience

Feb 2026 - Present

Senior Engineer II

Apify

Console Team

Mar 2025 - Dec 2025

Staff Engineer

Productboard

Prioritization Team

Jul 2022 - Feb 2025

Dev Team Lead

Heureka Group a.s.

Leading team Road To Product

Mar 2024 - Present

Lecturer

Skillmea

Video courses for React.js.

Jul 2020 - Jan 2025

Front-end Leader

Heureka Group a.s.

Leading front-end guild

Jul 2020 - Jul 2022

Front-end Developer

Heureka Group a.s.

Developed the main micro-front-ends on the website (Category, SERP, Homepage, Navigation, Footer) written in React.js and Node.js

Jan 2020 - Present

Lecturer

Anywhere s.r.o.

B2B and B2C on-site and on-line courses.

Dec 2019 - Jun 2020

Team Lead & Front-end Leader

LMC s.r.o.

For Arnold Robot project

Aug 2017 - Dec 2019

Front-end Developer & Front-end Leader

LMC s.r.o.

Developed Seduo.cz

Sep 2014 - Aug 2017

Software Engineer at Jobs.cz

LMC s.r.o.

Developed Jobs.cz

Sep 2014 - Mar 2018

Software Engineer for Jobs.cz

Groupe SII

Outsourced to LMC s.r.o. for web development projects

Oct 2013 - Aug 2014

Web Developer

E-Solutions, s.r.o.

E-Shops and web development projects

Get in Touch

Interested in having me speak at your conference, conduct a workshop, or discuss React development? Let's connect!

Book Training Connect on LinkedIn Visit GitHub

Martin Krištof

Find Me on Social Media

Conference Talks

Přestaňte psát Playwright testy: nechte je generovat AI🇨🇿

Stop Writing Playwright Tests: Let AI Generate Them🇬🇧

Stop Writing Playwright Tests: Let AI Generate Them🇬🇧

Stop Writing Playwright Tests: Let AI Generate Them🇬🇧

React 19: What's New and How to Use It Today🇨🇿

React Compiler: The Game Changer?🇨🇿

React Compiler: Game Changer?🇬🇧

Past Talks

React Compiler in action! Workshop🇬🇧

React Compiler: The game changer?🇬🇧

React Premature Optimization🇨🇿

Performance Measurement of Micro-frontends in CI/CD via SpeedCurve🇨🇿

How to Use the Power of Cooperation?🇨🇿

Next.js 14 + Server Actions - remastered🇨🇿

WebExpo Host for Speakers Corner🇬🇧

Visual Regression Testing🇨🇿

React Premature Optimization🇨🇿

Next.js🇨🇿

Next.js and UI Library🇨🇿

Jobs UI🇨🇿

Online Courses

React 19 for Beginners🇨🇿

React 19 for Intermediate🇨🇿

React 19: Deep Dives🇨🇿

Teaching & Training

Corporate Training

Česká Spořitelna

Public Courses

Anywhere Education

Writing

Hackathons for OneUI🇨🇿

<HeurekaDevs />

Martin Krištof at FrontKon 2024 about Measuring the Performance of Micro-frontends🇨🇿

<HeurekaDevs />

Visual Regression Testing🇨🇿

<HeurekaDevs />

Work Experience

Senior Engineer II

Staff Engineer

Dev Team Lead

Lecturer

Front-end Leader

Front-end Developer

Lecturer

Team Lead & Front-end Leader

Front-end Developer & Front-end Leader

Software Engineer at Jobs.cz

Software Engineer for Jobs.cz

Web Developer

Get in Touch

Přestaňte psát Playwright testy: nechte je generovat AI
🇨🇿

Stop Writing Playwright Tests: Let AI Generate Them
🇬🇧

Stop Writing Playwright Tests: Let AI Generate Them
🇬🇧

Stop Writing Playwright Tests: Let AI Generate Them
🇬🇧

React 19: What's New and How to Use It Today
🇨🇿

React Compiler: The Game Changer?
🇨🇿

React Compiler: Game Changer?
🇬🇧

React Compiler in action! Workshop
🇬🇧

React Compiler: The game changer?
🇬🇧

React Premature Optimization
🇨🇿

Performance Measurement of Micro-frontends in CI/CD via SpeedCurve
🇨🇿

How to Use the Power of Cooperation?
🇨🇿

Next.js 14 + Server Actions - remastered
🇨🇿

WebExpo Host for Speakers Corner
🇬🇧

Visual Regression Testing
🇨🇿

React Premature Optimization
🇨🇿

Next.js
🇨🇿

Next.js and UI Library
🇨🇿

Jobs UI
🇨🇿

React 19 for Beginners
🇨🇿

React 19 for Intermediate
🇨🇿

React 19: Deep Dives
🇨🇿

Hackathons for OneUI
🇨🇿

Martin Krištof at FrontKon 2024 about Measuring the Performance of Micro-frontends
🇨🇿

Visual Regression Testing
🇨🇿