Lowan KimSenior software engineer. I ship research ideas as web tools, CLIs, APIs and containers.https://lowankim.dev/en-usWhy our x86 images fought my M1, and what actually fixed ithttps://lowankim.dev/writing/x86-images-m1/https://lowankim.dev/writing/x86-images-m1/Buildx, platform flags, and the one emulation cost that turned out to be worth paying.Fri, 14 Aug 2026 00:00:00 GMTdockerinfraBase62, Snowflake IDs, and the TinyURL question you will be askedhttps://lowankim.dev/writing/base62-snowflake-tinyurl/https://lowankim.dev/writing/base62-snowflake-tinyurl/Why the interview answer and the production answer are not the same answer.Wed, 22 Jul 2026 00:00:00 GMTsystem-designdatabasesSecurity gates a small team will not disable by Fridayhttps://lowankim.dev/writing/security-gates-small-team/https://lowankim.dev/writing/security-gates-small-team/Thresholds that catch real problems without blocking a release nobody can wait on.Fri, 03 Jul 2026 00:00:00 GMTciinfraWhat four papers taught me about maintainable codehttps://lowankim.dev/writing/four-papers-maintainable-code/https://lowankim.dev/writing/four-papers-maintainable-code/Research code and production code fail differently. Both fail at the handoff.Thu, 11 Jun 2026 00:00:00 GMTcode-qualityresearch