With over 16 years of comprehensive experience in software development, I am a seasoned engineer with a wide range of skills across various domains. I pride myself on having advanced proficiency in a multitude of technologies, including Java, Spring, C++, iOS, Android, React, Node.js, and Flutter.
Skills:
My technical expertise covers the full software development lifecycle:
Backend: Java, Spring, Node.js, C++, Python, PHP
Mobile: iOS, Android, Swift, Java, Kotlin, Flutter, Objective-C, React Native
Frontend & Web: React, JavaScript, TypeScript, JSP, HTML/CSS
Databases & Infrastructure: Oracle, MySQL, Docker, Firebase, PL/SQL
Experience:
I have a proven track record of delivering high-quality solutions in diverse industries, from blockchain to gaming and aerospace. Most recently, as a Senior Engineer at GroundX, a Kakao company, I developed and maintained blockchain wallet services like Kaikas and Klip using React, Node.js, and TypeScript.
Previous key roles include:
Developing the "Heroes of the Storm" mobile app and Battle.net web services at Blizzard Entertainment.
Designing and developing the launch control system for the Nuri rocket at the Naro Space Center with Daewoo Information Systems.
Working as a freelance developer for major organizations such as Seoul Asan Medical Center , Samsung SDS , and SK C&C, delivering various mobile and enterprise systems.
What I'm Looking For:
I am seeking a challenging new opportunity in a senior developer role where I can leverage my extensive experience. I am open to positions such as an iOS Developer, Android Developer, Web Full-stack Developer, Cross-platform App Developer, or a Server/Backend Developer. I am eager to contribute my skills to an innovative team and help build impactful products.
| ๐ Nationality | ๐ฐ๐ท South Korea |
| ๐ก Residency | ๐ฐ๐ท South Korea |
| ๐ Location | ๐ฐ๐ท South Korea |
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rok.co/@twinsen |
| ๐ Website | sdfljasfjkhsdfajsf โญ๏ธ Upgrade to Premium to contact |
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sdfljasfjkhsdfajsf โญ๏ธ Upgrade to Premium to contact |
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sdfljasfjkhsdfajsf โญ๏ธ Upgrade to Premium to contact |
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sdfljasfjkhsdfajsf โญ๏ธ Upgrade to Premium to contact |
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sdfljasfjkhsdfajsf โญ๏ธ Upgrade to Premium to contact |
| Skilled in | c c plus plus java ios android kotlin swift react js node js spring flutter js typescript python oracle mysql nosql full stack backend frontend |
| Fluent in | english |
| Preferred timezone | -4,-5,-6,+8,+9 |
| Preferred annual pay (min) | $100,000/year |
| Preferred hourly pay (min) | $50/hour |
| Last seen | 4 months ago |
| Signed up | 4 months ago |
| Badges |
๐จโ๐ป Remote worker ๐จ Maker |
2022 - 2024: Senior Engineer @ Ground-X
2021 - 2022: Senior Engineer @ Asan Medical Center
2018 - 2019: Senior Manager @ Metanet Digital
2016 - 2017: Senior Engineer @ Blizzard Entertainment
2009 - 2009: Free Lancer @ SK C&C
2008 - 2008: Free Lancer @ Samsung SDS
2024 - 2025: Today's Fortune AI Mobile App
2020 - 2020: Mobilize Financial Services
2020 - 2020: My Cardif Mobile App
2019 - 2020: Blue Canvas Mobile App
2019 - 2020: Acuon Bank Mobile App
2019 - 2019: NH Mobile G App
1991 - 2000: Department of Mathematics @ Dong-A University