Semyon Levenson

Yandex Market

Frontend developer since 2013. Worked in startups in Moscow City, managed a team at Rambler, developed a useful program for HR, and helped people catch zen at Dzen.

I traveled around Asia, dream of performing in front of a crowd of 10,000 people in a rock band. Have a 30 cm beard.

Talks from 2025 Spring season

GameDate: 07.04 / Start: 00:00 – Finish: 00:00
Code in the Dark
- Yaroslav Losev
  Yandex Travel
- Artem Senyukov
  Kinopoisk
- Semyon Levenson
  Yandex Market
Room 3In Russian
TalkDate: 08.04 / Start: 00:00 – Finish: 00:00
Design Automation Using JS: from Adobe to the Web
- Sergey Turulin
  Enicraft
Room 3In Russian
- Instruments

Previous talks

Watch recording
Who Lives Happily in IT?
- Semyon Levenson
  Yandex Market
- Nikita Sidorov
  Yandex Market
- Timur Gafiulin
  TatarinFrontend
- Yaroslav Losev
  Yandex Travel
In Russian
Watch recording
HolyJS 2024 Spring Conference Opening Session
- Semyon Levenson
  Yandex Market
- Nikita Sidorov
  Yandex Market
- Timur Gafiulin
  TatarinFrontend
In Russian
Watch recording
Professional Developer Equipment
- Dmitrii Rozhkov
  KORE Wireless
- Roman Ganin
  Sber
- Semyon Levenson
  Yandex Market
- Nikita Sidorov
  Yandex Market
In Russian
Watch recording
Music Break with Vadik Uglov
- Vadim Uglov
  YouTube channel "Vadik Uglov"
- Aleksandr Korotaev
- Semyon Levenson
  Yandex Market
- Nikita Sidorov
  Yandex Market
In Russian
Watch recording
Summarising the Online Part of HolyJS 2024 Spring Conference
- Semyon Levenson
  Yandex Market
- Nikita Sidorov
  Yandex Market
In Russian
Watch recording
HolyJS 2024 Spring Offline part Opening Session
- Semyon Levenson
  Yandex Market
- Nikita Sidorov
  Yandex Market
- Dana Stoyanova
Room 1In English
No record
Code in the Dark
- Semyon Levenson
  Yandex Market
- Dana Stoyanova
- Timur Gafiulin
  TatarinFrontend
- Yaroslav Losev
  Yandex Travel
Room 2In Russian
Watch recording
WebView as a Way of Integration Between Services
- Maksim Lavreniuk
  Uzum Technologies
Room 1In Russian
- API
Watch recording
HolyJS 2024 Spring Conference Closing Session
- Semyon Levenson
  Yandex Market
- Nikita Sidorov
  Yandex Market
- Dana Stoyanova
Room 2In Russian
Watch recording
A Career Issue
- Andrew Smirnov
  X5 Group
- Aleksei Zolotykh
  MyOffice
- Nikita Sidorov
  Yandex Market
- Semyon Levenson
  Yandex Market
Room 1In Russian
Watch recording
"Guess Who You Are": JavaScript Guessing Game
- Nikita Sidorov
  Yandex Market
- Timur Gafiulin
  TatarinFrontend
- Yaroslav Losev
  Yandex Travel
- Semyon Levenson
  Yandex Market
In Russian
- HolySound
Watch recording
HolyJS 2023 Spring Opening
- Nikita Sidorov
  Yandex Market
- Yaroslav Losev
  Yandex Travel
- Semyon Levenson
  Yandex Market
In Russian
Watch recording
Interview with Alexei Pimenov
- Aleksey Pimenov
  Neogenda
- Aleksei Zolotykh
  MyOffice
- Nikita Sidorov
  Yandex Market
- Semyon Levenson
  Yandex Market
In Russian
Watch recording
Opening of the Second Day of the Online Part
- Nikita Sidorov
  Yandex Market
- Semyon Levenson
  Yandex Market
In Russian
Watch recording
VPN and Proxy: Varieties, Differences, and Advantages
- Kirill Tolkachev
  JUG Ru Group
- Semyon Levenson
  Yandex Market
In Russian
Watch recording
Code Review
- Nikita Sidorov
  Yandex Market
- Semyon Levenson
  Yandex Market
In Russian
Watch recording
Summing up online HolyJS 2023 Spring
- Nikita Sidorov
  Yandex Market
- Dana Stoyanova
  JUG Ru Group
- Semyon Levenson
  Yandex Market
In Russian
Watch recording
HolyJS 2023 Spring In-person Opening
- Nikita Sidorov
  Yandex Market
- Semyon Levenson
  Yandex Market
Room 1In Russian
Watch recording
No Password — No Problem?
- Andrey Melikhov
  Web Standards
Room 1In Russian
Watch recording
Friend or Foe? Artificial Intelligence in the Frontend Development
- Mikhail Trifonov
  Cloud
Room 1In Russian
- Другое
Watch recording
What are Container Queries and why do we need them for?
- Seryozha Popov
  Skillbox
Room 3In Russian
- UI
Watch recording
HolyJS 2023 Spring Conference Closing
- Nikita Sidorov
  Yandex Market
- Semyon Levenson
  Yandex Market
Room 1In Russian
Watch recording
HolyJS 2023 Autumn Opening Session
- Nikita Sidorov
  Yandex Market
- Semyon Levenson
  Yandex Market
In Russian
- HolySound
Watch recording
What Did the Market Decide?
- Kira Kuzmenko
  NEWHR | Hello New Job!
- Nikita Sidorov
  Yandex Market
- Semyon Levenson
  Yandex Market
In Russian
- HolySound
Watch recording
Second Day of HolyJS 2023 Autumn Opening Session
- Nikita Sidorov
  Yandex Market
- Semyon Levenson
  Yandex Market
In Russian
- HolySound
Watch recording
Bun 1.0: Web Orchestra
- Andrey Melikhov
  Yandex Cloud
- Nikita Sidorov
  Yandex Market
- Victor Khomyakov
- Semyon Levenson
  Yandex Market
In Russian
- HolySound
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
In Russian
- HolySound
Watch recording
Summarising the Online Part of HolyJS 2023 Autumn
- Nikita Sidorov
  Yandex Market
- Semyon Levenson
  Yandex Market
In Russian
- HolySound
Watch recording
Opening of the Offline Part of HolyJS 2023 Autumn
- Nikita Sidorov
  Yandex Market
- Semyon Levenson
  Yandex Market
Hall 1In Russian
- HolySound
Watch recording
Creating an Interactive Map Based on the OpenLayers Library
- Anton Efremenkov
  ITentika
Hall 2In Russian
- UI
No record
Code in the Dark
- Nikita Sidorov
  Yandex Market
- Semyon Levenson
  Yandex Market
In Russian
- HolySound
Watch recording
About the Frontend From a C++ Compiler’s Point of View
- Aleksandr Kirsanov
  VK
Hall 2In Russian
- Backend
- Перформанс
Watch recording
Closing of HolyJS 2023 Autumn Conference
- Nikita Sidorov
  Yandex Market
- Semyon Levenson
  Yandex Market
Hall 1In Russian
- HolySound
Watch recording
How to achieve zen while working on design system of Yandex.Zen
- Semyon Levenson
  Yandex
In Russian
- Технический долг
Watch recording
Web almanac: frontrunners trying to get into analytics
- Aleksei Zolotykh
  MyOffice
- Nikita Sidorov
  Yandex Market
- Sergey Konstantinov
  Raiffeisen Bank
- Semyon Levenson
  Yandex Market
In Russian
Watch recording
Difficult stories with a light attitude
- Zar Zakharov
- Nikita Sidorov
  Yandex Market
- Sasha Shinkevich
- Andrey Shubin
- Semyon Levenson
  Yandex Market
In Russian
Watch recording
GeekBoards x HolyJS: a tactile special
- Aleksei Zolotykh
  MyOffice
- Andrey Melikhov
  Web Standards
- Pavel Vedenkov
  GeekBoards
- Daniil Emelyanov
  GeekBoards
- Ilya Sheprut
- Semyon Levenson
  Yandex Market
In Russian
Watch recording
Extreme practices: is it safe?
- Stanislav Shabalin
- Alexey Okhrimenko
- Semyon Levenson
  Yandex Market
- Sergey Berezhnoy
  Yandex
In Russian
Watch recording
Debate.JS
- Aleksei Zolotykh
  MyOffice
- Andrey Melikhov
  Web Standards
- Nikita Sidorov
  Yandex Market
- Sergey Konstantinov
  Raiffeisen Bank
- Semyon Levenson
  Yandex Market
In Russian
Watch recording
Difficult morning with HolyJS. Roundtable: accessibility
- Valeria Kurmak
  Yandex
- Glafira Zhur
  SpurIT
- Anatoly Popko
- Alexey Zolotyh
  EPAM
- Semyon Levenson
  Yandex
In Russian
Watch recording
HolyJS 2022 Spring Conference Opening
- Nikita Dubko
  Yandex
- Tanya Denisyuk
  Yandex
- Alexey Zolotyh
  EPAM
- Semyon Levenson
  Yandex
In Russian
Watch recording
About interviews on both sides
- Mikhail Bashurov
  WiseBits
- Ivan Evsikov
  Product Science Inc.
- Vasilisa Versus
  Roketo
- Evgeny Kot
  Wrike
- Tanya Denisyuk
  Yandex
- Semyon Levenson
  Yandex
In Russian
Watch recording
Opening
- Alexey Zolotyh
  EPAM
- Semyon Levenson
  Yandex
In Russian
Watch recording
Difficult morning with HolyJS. When determining how a person will spend the day: accessibility for the blind
- Valeria Kurmak
  Yandex
- Glafira Zhur
  SpurIT
- Anatoly Popko
- Semyon Levenson
  Yandex
In Russian
Watch recording
Summing up online HolyJS 2022 Spring
- Nikita Dubko
  Yandex
- Tanya Denisyuk
  Yandex
- Alexey Zolotyh
  EPAM
- Semyon Levenson
  Yandex
In Russian
Watch recording
When the interface lags
In Russian
- Перформанс
No record
Lightning talks
- Semyon Levenson
  Yandex
In Russian
Watch recording
HolyJS 2022 Autumn Opening
- Aleksei Zolotykh
  MyOffice
- Nikita Sidorov
  Yandex Market
- Semyon Levenson
  Yandex Market
In Russian
Watch recording
Opening
- Nikita Sidorov
  Yandex Market
- Semyon Levenson
  Yandex Market
In Russian
Watch recording
Summing up online HolyJS 2022 Autumn
- Nikita Sidorov
  Yandex Market
- Dana Stoyanova
  JUG Ru Group
- Semyon Levenson
  Yandex Market
In Russian
Watch recording
DotNext 2022 Autumn and HolyJS 2022 Autumn In-person Opening
- Anton Onikiychuk
  Dodo Engineering
- Semyon Levenson
  Yandex Market
In Russian
Watch recording
Introduction to Reactive Programming
- Sam Bulatov
  Waliot, krd.dev
In Russian
- Case-study
Watch recording
DotNext 2022 Autumn and HolyJS 2022 Autumn conferences Closing
- Anton Onikiychuk
  Dodo Engineering
- Semyon Levenson
  Yandex Market
In Russian
No record
Lightning talks
- Semyon Levenson
  Yandex Market
In Russian
Watch recording
Workshop. Web extensions: From zero to hero. Part 1
- Semyon Levenson
  Yandex
In Russian
Watch recording
Workshop. Web extensions: From zero to hero. Part 2
- Semyon Levenson
  Yandex
In Russian
Watch recording
Browser extensions: Threat or menace?
- Ali Gasymov
  Disco
In Russian
Watch recording
Using OpenID Connect and OAuth2.0
- Mikhail Vovrenchuk
  Pochta tech
In Russian
Watch recording
WebAuthn: Theory and practice
- Martin Splitt
  Google
- Semyon Levenson
  Yandex
In English
Watch recording
JS quiz based on "Your game"
- Artem Kobzar
- Mikhail Bashurov
  WiseBits
In Russian