Sergey Firsov
The engineer in the heart, the leader with the hands-on experience. Full-stack developer .NET/Node.JS/React and others like C++/Go.
Five Year Club
This badge celebrates the longevity of those who have been a registered member of the DEV Community for at least five years.
Four Year Club
This badge celebrates the longevity of those who have been a registered member of the DEV Community for at least four years.
Writing Debut
Awarded for writing and sharing your first DEV post! Continue sharing your work to earn the 4 Week Writing Streak Badge.
Three Year Club
This badge celebrates the longevity of those who have been a registered member of the DEV Community for at least three years.
Two Year Club
This badge celebrates the longevity of those who have been a registered member of the DEV Community for at least two years.
One Year Club
This badge celebrates the longevity of those who have been a registered member of the DEV Community for at least one year.
Twilio Hackathon Participant
Awarded for participating in the Twilio x DEV Hackathon April 2020
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