Seunghoon Choi
Verified Expert in Engineering
Full-stack Web Developer
Seoul, South Korea
Toptal member since April 27, 2020
Seunghoon is a full-stack web developer who's worked with both small startups and worldwide corporations such as Samsung. He's comfortable helping companies with their web development projects using frameworks such as React, Phoenix, Ruby on Rails, and more. Not only does Seunghoon have a history of outstanding output but he's also extremely capable of making decisions about the stack when starting a new one. He's interested in self-started research and experimenting with the latest technology.
Portfolio
Experience
- Git - 6 years
- JavaScript - 6 years
- Docker - 5 years
- Amazon Web Services (AWS) - 4 years
- C - 4 years
- Elixir - 2 years
- Phoenix - 2 years
- React - 2 years
Work Experience
Senior Software Engineer
Tapjoy
- Developed a type of back-end software serving data to users, game publishers, and advertisers.
- Built different types of services using Rails and Phoenix.
- Implemented Salesforce integration to enable a flexible customer request process.
- Worked with a multinational team with members in separate locations.
- Observed and handled more than millions of requests from users worldwide.
Senior Software Engineer
Chain Partners
- Developed a type of server software for a cryptocurrency exchange called Daybit.
- Implemented wallets for 32 tokens traded on Daybit with the Elixir language.
- Developed and deployed software for smart contract wallets on the Ethereum network with the Solidity language.
- Consulted with companies that requested technical advice for their blockchain-related services.
Software Engineer
Samsung Electronics
- Developed network and security modules in IoT device SDK, supporting multiple development environments such as C, C++, and Node.js.
- Built and operated a Docker-based infrastructure for providing a big-data analysis service for researchers and scientists in semiconductor facilities.
- Developed IoT data aggregation server software for research purposes with Python and Django.
- Worked remotely with teammates in three different time zones.
Project History
Daybit
I worked as a back-end and blockchain developer at Chain Partners, which holds Daybit. I implemented the wallet software and cryptography logic for the service to read and write data to the blockchain.
Education
Bachelor's Degree in Economics
Yonsei University - Seoul, Korea
Skills
Libraries/APIs
React, Node.js, Vue
Tools
Git, Mesos
Languages
Elixir, C, JavaScript, Python, HTML, Ruby, Solidity, CSS, Go
Frameworks
Phoenix, Ruby on Rails (RoR), Django, Marathon, Tailwind CSS
Platforms
Amazon Web Services (AWS), Docker, Linux, Ethereum, Blockchain
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