Semyon Levenson

Company: Yandex

Front-end developer since 2013, has managed to work both in startups and governmental projects. Was a team lead at Rambler, developed a useful program for HR, and now helps people to achieve zen at Yandex.Zen.

Talks from 2021 Moscow season

Watch recording
Workshop
Workshop. Web extensions: From zero to hero. Part 1
- Semyon Levenson
  Company: Yandex
- In Russian
Watch recording
Workshop
Workshop. Web extensions: From zero to hero. Part 2
- Semyon Levenson
  Company: Yandex
- In Russian
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Talk
Browser extensions: Threat or menace?
- Ali Gasymov
  Company: Disco
- In Russian
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Talk
Using OpenID Connect and OAuth2.0
- Mikhail Vovrenchuk
  Company: Pochta tech
- In Russian

Other talks

Watch recording
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
- In Russian
Watch recording
Conversation
HolyJS 2024 Spring Conference Opening Session
- Semyon Levenson
  Company: Yandex Market
- Nikita Sidorov
  Company: Yandex Market
- Timur Gafiulin
  Company: TatarinFrontend
- In Russian
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Conversation
Professional Developer Equipment
- Dmitrii Rozhkov
  Company: KORE Wireless
- Roman Ganin
  Company: Sber
- Semyon Levenson
  Company: Yandex Market
- Nikita Sidorov
  Company: Yandex Market
- In Russian
Watch recording
Conversation
Music Break with Vadik Uglov
- Vadim Uglov
  Company: YouTube channel "Vadik Uglov"
- Aleksandr Korotaev
- Semyon Levenson
  Company: Yandex Market
- Nikita Sidorov
  Company: Yandex Market
- In Russian
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Conversation
Summarising the Online Part of HolyJS 2024 Spring Conference
- Semyon Levenson
  Company: Yandex Market
- Nikita Sidorov
  Company: Yandex Market
- In Russian
Watch recording
Conversation
Room 1
HolyJS 2024 Spring Offline part Opening Session
- Semyon Levenson
  Company: Yandex Market
- Nikita Sidorov
  Company: Yandex Market
- Dana Stoyanova
- In English
No record
Game
Room 2
Code in the Dark
- Semyon Levenson
  Company: Yandex Market
- Dana Stoyanova
- Timur Gafiulin
  Company: TatarinFrontend
- Yaroslav Losev
  Company: Yandex Travel
- In Russian
Watch recording
Talk
Room 1
WebView as a Way of Integration Between Services
- Maksim Lavreniuk
  Company: Uzum Technologies
- In Russian
- API
Watch recording
Conversation
Room 2
HolyJS 2024 Spring Conference Closing Session
- Semyon Levenson
  Company: Yandex Market
- Nikita Sidorov
  Company: Yandex Market
- Dana Stoyanova
- In Russian
Watch recording
Talk
Room 1
A Career Issue
- Andrew Smirnov
  Company: X5 Group
- Aleksei Zolotykh
  Company: MyOffice
- Nikita Sidorov
  Company: Yandex Market
- Semyon Levenson
  Company: Yandex Market
- In Russian
Watch recording
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
- In Russian
- HolySound
Watch recording
Conversation
HolyJS 2023 Spring Opening
- Nikita Sidorov
  Company: Yandex Market
- Yaroslav Losev
  Company: Yandex Travel
- Semyon Levenson
  Company: Yandex Market
- In Russian
Watch recording
Interview
Interview with Alexei Pimenov
- Aleksey Pimenov
  Company: Neogenda
- Aleksei Zolotykh
  Company: MyOffice
- Nikita Sidorov
  Company: Yandex Market
- Semyon Levenson
  Company: Yandex Market
- In Russian
Watch recording
Talk
Opening of the Second Day of the Online Part
- Nikita Sidorov
  Company: Yandex Market
- Semyon Levenson
  Company: Yandex Market
- In Russian
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Conversation
VPN and Proxy: Varieties, Differences, and Advantages
- Kirill Tolkachev
  Company: JUG Ru Group
- Semyon Levenson
  Company: Yandex Market
- In Russian
Watch recording
Talk
Code Review
- Nikita Sidorov
  Company: Yandex Market
- Semyon Levenson
  Company: Yandex Market
- In Russian
Watch recording
Talk
Summing up online HolyJS 2023 Spring
- Nikita Sidorov
  Company: Yandex Market
- Dana Stoyanova
  Company: JUG Ru Group
- Semyon Levenson
  Company: Yandex Market
- In Russian
Watch recording
Conversation
Room 1
HolyJS 2023 Spring In-person Opening
- Nikita Sidorov
  Company: Yandex Market
- Semyon Levenson
  Company: Yandex Market
- In Russian
Watch recording
Talk
Room 1
No Password — No Problem?
- Andrey Melikhov
  Company: Web Standards
- In Russian
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Talk
Room 1
Friend or Foe? Artificial Intelligence in the Frontend Development
- Mikhail Trifonov
  Company: Cloud
- In Russian
- Другое
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Talk
Room 3
What are Container Queries and why do we need them for?
- Seryozha Popov
  Company: Skillbox
- In Russian
- UI
Watch recording
Conversation
Room 1
HolyJS 2023 Spring Conference Closing
- Nikita Sidorov
  Company: Yandex Market
- Semyon Levenson
  Company: Yandex Market
- In Russian
Watch recording
Conversation
HolyJS 2023 Autumn Opening Session
- Nikita Sidorov
  Company: Yandex Market
- Semyon Levenson
  Company: Yandex Market
- In Russian
- HolySound
Watch recording
Conversation
What Did the Market Decide?
- Kira Kuzmenko
  Company: NEWHR | Hello New Job!
- Nikita Sidorov
  Company: Yandex Market
- Semyon Levenson
  Company: Yandex Market
- In Russian
- HolySound
Watch recording
Conversation
Second Day of HolyJS 2023 Autumn Opening Session
- Nikita Sidorov
  Company: Yandex Market
- Semyon Levenson
  Company: Yandex Market
- In Russian
- HolySound
Watch recording
Conversation
Bun 1.0: Web Orchestra
- Andrey Melikhov
  Company: Yandex Cloud
- Nikita Sidorov
  Company: Yandex Market
- Victor Khomyakov
- Semyon Levenson
  Company: Yandex Market
- In Russian
- HolySound
Watch recording
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
- In Russian
- HolySound
Watch recording
Conversation
Summarising the Online Part of HolyJS 2023 Autumn
- Nikita Sidorov
  Company: Yandex Market
- Semyon Levenson
  Company: Yandex Market
- In Russian
- HolySound
Watch recording
Conversation
Hall 1
Opening of the Offline Part of HolyJS 2023 Autumn
- Nikita Sidorov
  Company: Yandex Market
- Semyon Levenson
  Company: Yandex Market
- In Russian
- HolySound
Watch recording
Talk
Hall 2
Creating an Interactive Map Based on the OpenLayers Library
- Anton Efremenkov
  Company: ITentika
- In Russian
- UI
No record
Game
Code in the Dark
- Nikita Sidorov
  Company: Yandex Market
- Semyon Levenson
  Company: Yandex Market
- In Russian
- HolySound
Watch recording
Talk
Hall 2
About the Frontend From a C++ Compiler’s Point of View
- Aleksandr Kirsanov
  Company: VK
- In Russian
- Backend
- Перформанс
Watch recording
Conversation
Hall 1
Closing of HolyJS 2023 Autumn Conference
- Nikita Sidorov
  Company: Yandex Market
- Semyon Levenson
  Company: Yandex Market
- In Russian
- HolySound
Watch recording
Talk
How to achieve zen while working on design system of Yandex.Zen
- Semyon Levenson
  Company: Yandex
- In Russian
- Технический долг
Watch recording
Conversation
Web almanac: frontrunners trying to get into analytics
- Aleksei Zolotykh
  Company: MyOffice
- Nikita Sidorov
  Company: Yandex Market
- Sergey Konstantinov
  Company: Raiffeisen Bank
- Semyon Levenson
  Company: Yandex Market
- In Russian
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Conversation
Difficult stories with a light attitude
- Zar Zakharov
- Nikita Sidorov
  Company: Yandex Market
- Sasha Shinkevich
- Andrey Shubin
- Semyon Levenson
  Company: Yandex Market
- In Russian
Watch recording
Conversation
GeekBoards x HolyJS: a tactile special
- Aleksei Zolotykh
  Company: MyOffice
- Andrey Melikhov
  Company: Web Standards
- Pavel Vedenkov
  Company: GeekBoards
- Daniil Emelyanov
  Company: GeekBoards
- Ilya Sheprut
- Semyon Levenson
  Company: Yandex Market
- In Russian
Watch recording
Conversation
Extreme practices: is it safe?
- Stanislav Shabalin
- Alexey Okhrimenko
- Semyon Levenson
  Company: Yandex Market
- Sergey Berezhnoy
  Company: Yandex
- In Russian
Watch recording
Conversation
Debate.JS
- Aleksei Zolotykh
  Company: MyOffice
- Andrey Melikhov
  Company: Web Standards
- Nikita Sidorov
  Company: Yandex Market
- Sergey Konstantinov
  Company: Raiffeisen Bank
- Semyon Levenson
  Company: Yandex Market
- In Russian
Watch recording
Conversation
Difficult morning with HolyJS. Roundtable: accessibility
- Valeria Kurmak
  Company: Yandex
- Glafira Zhur
  Company: SpurIT
- Anatoly Popko
- Alexey Zolotyh
  Company: EPAM
- Semyon Levenson
  Company: Yandex
- In Russian
Watch recording
Conversation
HolyJS 2022 Spring Conference Opening
- Nikita Dubko
  Company: Yandex
- Tanya Denisyuk
  Company: Yandex
- Alexey Zolotyh
  Company: EPAM
- Semyon Levenson
  Company: Yandex
- In Russian
Watch recording
Conversation
About interviews on both sides
- Mikhail Bashurov
  Company: WiseBits
- Ivan Evsikov
  Company: Product Science Inc.
- Vasilisa Versus
  Company: Roketo
- Evgeny Kot
  Company: Wrike
- Tanya Denisyuk
  Company: Yandex
- Semyon Levenson
  Company: Yandex
- In Russian
Watch recording
Conversation
Opening
- Alexey Zolotyh
  Company: EPAM
- Semyon Levenson
  Company: Yandex
- In Russian
Watch recording
Conversation
Difficult morning with HolyJS. When determining how a person will spend the day: accessibility for the blind
- Valeria Kurmak
  Company: Yandex
- Glafira Zhur
  Company: SpurIT
- Anatoly Popko
- Semyon Levenson
  Company: Yandex
- In Russian
Watch recording
Conversation
Summing up online HolyJS 2022 Spring
- Nikita Dubko
  Company: Yandex
- Tanya Denisyuk
  Company: Yandex
- Alexey Zolotyh
  Company: EPAM
- Semyon Levenson
  Company: Yandex
- In Russian
Watch recording
Talk
When the interface lags
- In Russian
- Перформанс
No record
Talk
Lightning talks
- Semyon Levenson
  Company: Yandex
- In Russian
Watch recording
Talk
HolyJS 2022 Autumn Opening
- Aleksei Zolotykh
  Company: MyOffice
- Nikita Sidorov
  Company: Yandex Market
- Semyon Levenson
  Company: Yandex Market
- In Russian
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Talk
Opening
- Nikita Sidorov
  Company: Yandex Market
- Semyon Levenson
  Company: Yandex Market
- In Russian
Watch recording
Talk
Summing up online HolyJS 2022 Autumn
- Nikita Sidorov
  Company: Yandex Market
- Dana Stoyanova
  Company: JUG Ru Group
- Semyon Levenson
  Company: Yandex Market
- In Russian
Watch recording
Conversation
DotNext 2022 Autumn and HolyJS 2022 Autumn In-person Opening
- Anton Onikiychuk
  Company: Dodo Engineering
- Semyon Levenson
  Company: Yandex Market
- In Russian
Watch recording
Talk
Introduction to Reactive Programming
- Sam Bulatov
  Company: Waliot, krd.dev
- In Russian
- Case-study
Watch recording
Conversation
DotNext 2022 Autumn and HolyJS 2022 Autumn conferences Closing
- Anton Onikiychuk
  Company: Dodo Engineering
- Semyon Levenson
  Company: Yandex Market
- In Russian
No record
Talk
Lightning talks
- Semyon Levenson
  Company: Yandex Market
- In Russian
Watch recording
Talk
WebAuthn: Theory and practice
- Martin Splitt
  Company: Google
- Semyon Levenson
  Company: Yandex
- In English
Watch recording
Talk
JS quiz based on "Your game"
- Artem Kobzar
- Mikhail Bashurov
  Company: WiseBits
- In Russian