
Yaroslav Losev
Yandex Travel
I professionally travel the world of development in Yandex Travels, make the world's buttons brighter.
Professor of memology. Engaged in development in its various forms since the early years, wrote my first interface in Delphi. Happy to talk about React, web application performance, digital accessibility, architecture, and more.
Joined the HolyJS program committee because I believe that IT development is impossible without knowledge transfer between specialists.
Talks from 2025 Spring season
- Talk
- Talk
- Game
Code in the Dark
Yaroslav Losev
Yandex Travel
Artem Senyukov
Kinopoisk
- Talk
Previous talks
- Watch recording
Who Lives Happily in IT?
Semyon Levenson
Yandex Market
Nikita Sidorov
Yandex Market
Timur Gafiulin
TatarinFrontend
Yaroslav Losev
Yandex Travel
- Watch recording
- No record
Code in the Dark
Semyon Levenson
Yandex Market
Timur Gafiulin
TatarinFrontend
Yaroslav Losev
Yandex Travel
- Watch recording
- Watch recording
- Watch recording
Opening of the HolyJS 2024 Autumn Offline Part
Timur Gafiulin
Samokat.tech
Artem Senyukov
Kinopoisk
Yaroslav Losev
Yandex Travel
- No record
Code in the Dark
Timur Gafiulin
Samokat.tech
Artem Senyukov
Kinopoisk
Yaroslav Losev
Yandex Travel
- Watch recording
- Watch recording
Closing of HolyJS 2024 Autumn Conference
Timur Gafiulin
Samokat.tech
Artem Senyukov
Kinopoisk
Yaroslav Losev
Yandex Travel
- Watch recording
"Guess Who You Are": JavaScript Guessing Game
Nikita Sidorov
Yandex Market
Timur Gafiulin
TatarinFrontend
Yaroslav Losev
Yandex Travel
Semyon Levenson
Yandex Market
- Watch recording
HolyJS 2023 Spring Opening
Nikita Sidorov
Yandex Market
Yaroslav Losev
Yandex Travel
Semyon Levenson
Yandex Market
- Watch recording
- Watch recording
- Watch recording
- Watch recording
- Watch recording
- Watch recording
- Watch recording
- Watch recording
JS: Jam Session. Guessing Talks of Various Years
Aleksei Zolotykh
MyOffice
Nikita Sidorov
Yandex Market
Yaroslav Losev
Yandex Travel
Semyon Levenson
Yandex Market
- Watch recording
React Reconciler: How to write your own renderer
Yaroslav Losev
Redis creative agency
- Watch recording