Talk

Yaroslav Losev
Yandex Travel
Yaroslav professionally travels the world of development in Yandex Travels, makes the world's buttons brighter.
Professor of memology. Engaged in development in its various forms since the early years, wrote his first interface in Delphi. Glad to talk about React, web application performance, digital accessibility, architecture, and more.
He joined the HolyJS program committee because he believes that IT development is impossible without knowledge transfer between specialists.
Talks from 2025 Autumn season
Invited expert
- Workshop
- Talk
Master of Ceremonies
- Battle
Code in the Dark
Yaroslav Losev
Yandex Travel
Artem Senyukov
Kinopoisk
Semyon Levenson
Yandex Market
Other talks
- Watch recording
Who Lives Happily in IT?
Yaroslav Losev
Yandex Travel
Timur Gafiulin
TatarinFrontend
Nikita Sidorov
Yandex Market
Semyon Levenson
Yandex Market
- Watch recording
"Guess Who You Are": JavaScript Guessing Game
Yaroslav Losev
Yandex Travel
Semyon Levenson
Yandex Market
Nikita Sidorov
Yandex Market
Timur Gafiulin
TatarinFrontend
- Watch recording
React Reconciler: How to write your own renderer

Yaroslav Losev
Redis creative agency