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$30 USD / hour
Flag of KOREA, REPUBLIC OF
$30 USD / hour
It's currently 2:06 AM here
Joined June 18, 2017
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Donggeon L.

@rocky2010aaa

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$30 USD / hour
Flag of KOREA, REPUBLIC OF
$30 USD / hour
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Blockchain/Backend Developer

- I have 10 years of programming experience. I have expertise in the following program languages and systems: Cosmos SDK, Golang, Hyperledger Fabric, Kafka, docker, grpc, AWS - My experience includes various programming environments in many diverse companies. I believe such experiences will be valuable to your company. Thank you.
Freelancer Java Developers Korea, Republic of

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Experience

Blockchain Developer

VegaX
Mar 2021 - Present
# Maintenance blockchain application - cosmos sdk, starport

Backend Developer

Clean Tech
Aug 2020 - Mar 2021 (7 months, 1 day)
July 2020 - March 2021 # Maintenance Backend Serever Applications - Golang, Postgres, Redis # Chatbot - Rasa

Blockchain/Backend Developer

MyCreditChain
Aug 2017 - Aug 2020 (3 years)
# Hyperledger Fabric 1. building blockchain network / developing related backend services - hyperledger fabric (docker) - chain code (golang) - Restful API server and event listener with SDK (golang) - Kafka consumer agent (sarama, goka) 2. AWS operation - building service infrastructure and operating services # ICO Preparation - developing company token (geth, solidity, truffle) - building ICO admin page (ethereum/web3.js)

Education

Bachelor

Korea, Republic of 2003 - 2007
(4 years)

Qualifications

SCJP

Sun
2008
Java certification

OCP

Oracle
2008
Database certification

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Top Skills

Java JavaScript Python Linux Software Architecture

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