Sergei Arkhipov
Software Engineer at hewlettpackard
Purmerend, North Holland, Netherlands
Summary
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RockstarSergey Arkhipov is a software engineer with 12 years of hands-on experience, based in Purmerend, Netherlands, who focuses on reliable back-end systems and practical engineering. He contributes to open-source projects—most notably improving the 9seconds/mtg MTPROTO proxy for Telegram by strengthening cipher handling, frame logic, and observability through URL and stats enhancements. Sergey combines deep debugging and protocol-level work with pragmatic feature delivery, making services easier to operate and diagnose in production. His contributions show an attention to security-sensitive internals and clear runtime visibility rather than just surface features. Colleagues can expect a steady engineer who prefers solid, testable fixes to flashy rewrites.
12 years of coding experience
Stackoverflow
156reputation
8kreached
7answers
0questions
Github Skills (14)
telegram10
json10
go10
cryptography9
networking9
api-design9
openpyxl6
http6
html6
authentication6
excel6
apache6
python6
cgi6
Programming languages (13)
Github contributions (5)
9seconds/mtg
May 2018 - Nov 2022
Highly opinionated MTPROTO proxy for Telegram
Role in this project:
Back-end Developer
Back-end DeveloperContributions:35 releases, 4 reviews, 825 commits in 4 years 6 months
Contributions summary:Sergei significantly enhanced the project by implementing essential functionalities, including printing URLs on startup using JSON encoding and refining the handling of cipher operations. They also addressed critical issues in the server-side logic related to ciphering, frame handling, and telegram connection, notably in `server/server.go` and `server/cipherrwc.go`. Furthermore, the user added URL display functionality within the stats endpoint, enhancing the observability of the service and streamlining user access.
mtprotoproxytelegrammtproxy
9seconds/streams
Mar 2014 - Sep 2016
Python Streams inspired by Java 8 Stream API
Contributions:82 commits, 1 PR, 1 push in 2 years 6 months
javapython
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