Donggeon Lee
Backend / Blockchain Developer
South Korea
Experience
Bnei Baruch
Backend Developer (Freelance)
August 2022 - July 2024 (2 years)
Israel (Remote)
1. Led the renewal and enhancement of the education site
2. Managed the development and implementation of an education platform
management service
3. Integrated and optimized meeting video management services using Zoom
and YouTube APIs
- Golang, Python, Docker, PostgreSQL, React
INOVBE INC
Backend / Blockchain Developer (Freelance)
May 2024 - June 2024 (2 months)
Canada (Remote)
Developed a personal token trading application, enabling secure and efficient
token exchanges.
- Golang, Docker, Xelis SDK, go-ethereum, MongoDB
FullThrottle
Backend Developer (Freelance)
February 2023 - November 2023 (10 months)
Sweden (Remote)
Built and optimized a YouTube video management server
- Golang, grpc, Docker, PostgreSQL
Park Loyalty Inc
Backend Developer (Freelance)
September 2022 - November 2022 (3 months)
United States (Remote)
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Developed a parking citation payment system, integrating Authorize.net and
Heartland API for seamless transactions.
- Python, MongoDB, Docker, SOAP
VegaX Holdings: The Future of Digital Asset Management
Backend / Blockchain Developer (Full-time)
March 2021 - August 2022 (1 year 6 months)
Seoul, South Korea (Remote)
1. Released and maintained a blockchain network, enhancing security and
transaction speeds.
2. Developed related backend services and a token swap service.
- Golang, Docker, Cosmos SDK, Ignite, MongoDB, Redis
Clean.Tech
Backend Developer (Full-time)
August 2020 - March 2021 (8 months)
California, United States (Remote)
Maintained backend server applications and developed a Telegram chatbot to
automate customer interactions.
- Golang, Python, Postgres, Redis, Docker, Kubernetes, Rasa
MyCreditChain
Backend / Blockchain developer (Full-time)
August 2017 - August 2020 (3 years 1 month)
Seoul, South Korea
1. Released a credit data-based blockchain service, facilitating secure and
transparent transactions.
2. Led ICO preparation and built various blockchain-related applications.
- Ethereum, web3js, Truffle, geth, go-ethereum, Hyperledger Fabric, Golang,
Apache Kafka, Docker, Kubernetes, AWS, Redis, PostgreSQL, Elasticsearch
Yonego
Backend Developer (Full-time)
January 2017 - June 2017 (6 months)
Breda, North Brabant, Netherlands
Migrated legacy servers from PHP to Golang, improving system efficiency and
maintainability
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- Golang, PHP, MySQL, Docker, Kubernetes
Anx International
Backend Developer (Full-time)
July 2016 - September 2016 (3 months)
Hong Kong, Hong Kong SAR
Maintained web applications, ensuring system stability and performance.
- Groovy, Grails, MySQL
Chaatz
Backend Developer (Full-time)
February 2015 - February 2016 (1 year 1 month)
Hong Kong, Hong Kong SAR
1. Developed server programming for a messenger application, enhancing
communication efficiency.
2. Built an in-house ERP application to streamline business operations.
- Golang, Couchbase, Javascript
Lionbridge
Full-stack Developer (Full-time)
March 2014 - December 2014 (10 months)
Seoul, South Korea
1. Automated translation preparation processes, improving workflow efficiency.
2. Developed CMS and localization tools for seamless translation
management.
- Golang, C#, Java, Javascript, MySQL
Computer Architechs International Corporation
Full-stack Developer (Full-time)
July 2012 - December 2013 (1 year 6 months)
Torrance, California, United States
Developed web and mobile applications for various clients, enhancing user
experience and functionality.
- JSP, JAVA, Javascript, iOS, Android
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KT capital
Full-stack Developer (Full-time)
December 2010 - September 2011 (10 months)
Seoul, South Korea
Built an in-house ERP application, improving internal business processes.
- JAVA EJB, Oracle Database
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