Yaroslav Losev

Company: Yandex Travel

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. Happy 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 2024 Spring season

Watch recording
Talk type: Conversation
Who Lives Happily in IT?
- Semyon Levenson
  Company: Yandex Market
- Nikita Sidorov
  Company: Yandex Market
- Timur Gafiulin
  Company: TatarinFrontend
- Yaroslav Losev
  Company: Yandex Travel
- Talk in Russian
Watch recording
Talk type: Talk
A Guide to Frontend Architecture in 2024
- Aleksandr Guzenko
  Company: IT_ONE
- Talk in Russian
- Архитектура
Date: 26.04 / Start: 00:00 – Finish: 00:00
Talk type: Game
Room 2
Code in the Dark
- Semyon Levenson
  Company: Yandex Market
- Dana Stoyanova
- Timur Gafiulin
  Company: TatarinFrontend
- Yaroslav Losev
  Company: Yandex Travel
- Talk in Russian
Date: 27.04 / Start: 00:00 – Finish: 00:00
Talk type: Talk
Room 1
Why It's Not so Easy to Migrate to GraphQL
- Roman Poleguev
  Company: Yandex
- Talk in Russian
- API
Date: 27.04 / Start: 00:00 – Finish: 00:00
Talk type: Talk
Room 1
How to Turn a String of Letters into a Pain for a Developer, or What Interfaces Are in Biotech
- Maria Kondaurova
  Company: BIOCAD
- Talk in Russian
- UI

Previous talks

Watch recording
Talk type: Game
"Guess Who You Are": JavaScript Guessing Game
- Nikita Sidorov
  Company: Yandex Market
- Timur Gafiulin
  Company: TatarinFrontend
- Yaroslav Losev
  Company: Yandex Travel
- Semyon Levenson
  Company: Yandex Market
- Talk in Russian
- HolySound
Watch recording
Talk type: Conversation
HolyJS 2023 Spring Opening
- Nikita Sidorov
  Company: Yandex Market
- Yaroslav Losev
  Company: Yandex Travel
- Semyon Levenson
  Company: Yandex Market
- Talk in Russian
Watch recording
Talk type: Conversation
Accessibility audit: why, how, what to do after?
- Aleksei Zolotykh
  Company: MyOffice
- Anatoly Popko
- Yaroslav Losev
  Company: Yandex Travel
- Talk in Russian
Watch recording
Talk type: Interview
About Accessibility in Yandex
- Valeria Kurmak
  Company: Yandex
- Yulia Dolgun
  Company: Yandex
- Talk in Russian
- UI
Watch recording
Talk type: Talk
Room 1
How We Made the Mobile Version of VKontakte Four times Faster
- Taras Ivanov
  Company: VK
- Talk in Russian
- Перформанс
Watch recording
Talk type: Talk
Room 2
React Concurrency: Is It Really Worth It?
- Dmitry Grosh
  Company: WIS Software
- Talk in Russian
- Перформанс
Watch recording
Talk type: Talk
Room 1
What’s New in JS and Web
- Maria Kondaurova
  Company: BIOCAD
- Talk in Russian
- Стандарты
Watch recording
Talk type: Talk
Room 3
Fuzzy Browser Search for Half a Million Lines: Building an Index on a CDN
- Nikita Vorobiev
  Company: SberTech
- Talk in Russian
- Другое
Watch recording
Talk type: Talk
React Query in Action: How Yandex Trip Has Lived Without a State Manager for Three Years Now
- Valeriy Baranov
  Company: Yandex
- Talk in Russian
Watch recording
Talk type: Conversation
JS: Jam Session. Guessing Talks of Various Years
- Aleksei Zolotykh
  Company: MyOffice
- Nikita Sidorov
  Company: Yandex Market
- Yaroslav Losev
  Company: Yandex Travel
- Semyon Levenson
  Company: Yandex Market
- Talk in Russian
- HolySound