As a Software Engineer, I have experiences in the fields of travel, game, blockchain, and advertising.

Software Engineer (2024.03 ~ Present)

• Developed and maintained an advertising DSP system.

Tech Advisor (2023.10 ~ 2023.10)

• Reverse engineering the KlaySwap client to derive unknown calculation formulas to support Goldstation DeFi development.

Co-Founder & Software Engineer (2023.05 ~ 2024.03)

• Created and launched various B2C-based products to find Product-Market Fit.
• Achieved 1,500 DAU organically through utility development without marketing.

Technical Team Lead (2023.03 ~ 2024.03)

• Redesigned the system and migrated legacy monolithic services to a serverless microservices architecture on AWS.
• Developed an NFT marketplace and middleware for tokenizing existing games with blockchain integration.
• Managed a tech team of 10+ members.

Co-Founder & CTO (2018.12 ~ 2023.03)

• Acquired by Netmarble Company.
• Designed systems and developed DApp services.
• Designed game security and optimized server performance.
• Ranked within the top 10 in terms of both user and traffic volume among all blockchain DApps.
• Managed a tech team of 10+ members.

Software Engineer (2018.01 ~ 2018.12)

• Joined the founding team.
• Developed a decentralized cryptocurrency wallet.
• Indexed Bitcoin and EVM-based chain data.

Backend Engineer (2016.08 ~ 2017.08)

• Developed a flight and hotel booking service.

System design, Serverless, MSA, AI, Blockchain, and more.

• node-schedule
• node-mongodb-native
• dynamoose-decorator