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5<h3 class="flex items-center mb-1 text-lg font-semibold text-gray-900 dark:text-white text-wrap">Applied AI Technical Engineer (Full Stack)</h3><span class="block mb-2 text-sm font-normal leading-none text-gray-500 dark:text-gray-300">Skelter Labs</span> 6<time class="block mb-3 text-sm font-normal leading-none text-gray-500 dark:text-gray-300">April 2026 â 7July 2026</time><div class="mb-4 text-base font-normal text-gray-500 dark:text-gray-300 text-wrap prose prose-slate dark:prose-invert"><p>Responsibilities include:</p><ul><li>Forward-Deployed Advisory for a Financial AI Initiative â technical advisory and service architecture design for an AI compliance initiative at a major Korean financial group, in collaboration with a global consulting firm</li><li>Bella AI Agent Platform Development â LangFlow custom components (RAG, GraphRAG, Korean embedding), AgentGateway/MCP tool management, and LLM observability tooling (LiteLLM, Langfuse, Keycloak/Istio)</li></ul></div></li><li class="mb-10 ms-6"><span class="absolute flex items-center justify-center w-6 h-6 bg-primary-100 rounded-full -start-3 ring-8 ring-white dark:ring-gray-900 dark:bg-primary-900"><svg xmlns="http://www.w3.org/2000/svg" fill="currentcolor" viewBox="0 0 256 256" class="w-5 h-5 text-primary-800 dark:text-primary-300"><path d="M216 56H176V48a24 24 0 00-24-24H104A24 24 0 0080 48v8H40A16 16 0 0024 72V2e2a16 16 0 0016 16H216a16 16 0 0016-16V72A16 16 0 00216 56zM96 48a8 8 0 018-8h48a8 8 0 018 8v8H96zM216 72v41.61A184 184 0 01128 136a184.07 184.07.0 01-88-22.38V72zm0 128H40V131.64A200.19 200.19.0 00128 152a200.25 200.25.0 0088-20.37V2e2zM104 112a8 8 0 018-8h32a8 8 0 010 16H112a8 8 0 01-8-8z"/></svg></span><h3 class="flex items-center mb-1 text-lg font-semibold text-gray-900 dark:text-white text-wrap">Chief Technology Officer</h3><span class="block mb-2 text-sm font-normal leading-none text-gray-500 dark:text-gray-300">Divercity House Inc.</span> 8<time class="block mb-3 text-sm font-normal leading-none text-gray-500 dark:text-gray-300">July 2025 â 9April 2026</time><div class="mb-4 text-base font-normal text-gray-500 dark:text-gray-300 text-wrap prose prose-slate dark:prose-invert"><p>Responsibilities include:</p><ul><li>Map Platform Backend & Frontend Development</li><li>Android/iOS Application Development</li></ul></div></li><li class="mb-10 ms-6"><span class="absolute flex items-center justify-center w-6 h-6 bg-primary-100 rounded-full -start-3 ring-8 ring-white dark:ring-gray-900 dark:bg-primary-900"><svg xmlns="http://www.w3.org/2000/svg" fill="currentcolor" viewBox="0 0 256 256" class="w-5 h-5 text-primary-800 dark:text-primary-300"><path d="M216 56H176V48a24 24 0 00-24-24H104A24 24 0 0080 48v8H40A16 16 0 0024 72V2e2a16 16 0 0016 16H216a16 16 0 0016-16V72A16 16 0 00216 56zM96 48a8 8 0 018-8h48a8 8 0 018 8v8H96zM216 72v41.61A184 184 0 01128 136a184.07 184.07.0 01-88-22.38V72zm0 128H40V131.64A200.19 200.19.0 00128 152a200.25 200.25.0 0088-20.37V2e2zM104 112a8 8 0 018-8h32a8 8 0 010 16H112a8 8 0 01-8-8z"/></svg></span><h3 class="flex items-center mb-1 text-lg font-semibold text-gray-900 dark:text-white text-wrap">Software Engineering Intern</h3><span class="block mb-2 text-sm font-normal leading-none text-gray-500 dark:text-gray-300">Satrec Initiative Co., Ltd.</span> 10<time class="block mb-3 text-sm font-normal leading-none text-gray-500 dark:text-gray-300">July 2017 â 11August 2017</time><div class="mb-4 text-base font-normal text-gray-500 dark:text-gray-300 text-wrap prose prose-slate dark:prose-invert"><p>Responsibilities include:</p><ul><li>Parallel Computing Framework Design (Docker, Slurm, Ganglia)</li></ul></div></li><li class="mb-10 ms-6"><span class="absolute flex items-center justify-center w-6 h-6 bg-primary-100 rounded-full -start-3 ring-8 ring-white dark:ring-gray-900 dark:bg-primary-900"><svg xmlns="http://www.w3.org/2000/svg" fill="currentcolor" viewBox="0 0 256 256" class="w-5 h-5 text-primary-800 dark:text-primary-300"><path d="M216 56H176V48a24 24 0 00-24-24H104A24 24 0 0080 48v8H40A16 16 0 0024 72V2e2a16 16 0 0016 16H216a16 16 0 0016-16V72A16 16 0 00216 56zM96 48a8 8 0 018-8h48a8 8 0 018 8v8H96zM216 72v41.61A184 184 0 01128 136a184.07 184.07.0 01-88-22.38V72zm0 128H40V131.64A200.
1119 200.19.0 00128 152a200.25 200.25.0 0088-20.37V2e2zM104 112a8 8 0 018-8h32a8 8 0 010 16H112a8 8 0 01-8-8z"/></svg></span><h3 class="flex items-center mb-1 text-lg font-semibold text-gray-900 dark:text-white text-wrap">Software Engineer</h3><span class="block mb-2 text-sm font-normal leading-none text-gray-500 dark:text-gray-300">Law and Company</span> 12<time class="block mb-3 text-sm font-normal leading-none text-gray-500 dark:text-gray-300">March 2014 â 13May 2014</time><div class="mb-4 text-base font-normal text-gray-500 dark:text-gray-300 text-wrap prose prose-slate dark:prose-invert"><p>Responsibilities include:</p><ul><li>Web Development (Node.js, MongoDB, HTML, CSS)</li></ul></div></li></ol></div><div class=w-full><h3 class="mb-6 text-3xl font-bold text-gray-900 dark:text-white">Education</h3><ol class="relative border-s border-gray-200 dark:border-gray-700"><li class="mb-10 ms-6"><span class="absolute flex items-center justify-center w-6 h-6 bg-primary-100 rounded-full -start-3 ring-8 ring-white dark:ring-gray-900 dark:bg-primary-900"><svg xmlns="http://www.w3.org/2000/svg" fill="currentcolor" viewBox="0 0 256 256" class="w-5 h-5 text-primary-800 dark:text-primary-300"><path d="M251.76 88.94l-120-64a8 8 0 00-7.52.0l-120 64a8 8 0 000 14.12L32 117.87v48.42a15.91 15.91.0 004.06 10.65C49.16 191.53 78.51 216 128 216a130 130 0 0048-8.76V240a8 8 0 0016 0V199.51a115.63 115.63.0 0027.94-22.57A15.91 15.91.0 00224 166.29V117.87l27.76-14.81a8 8 0 000-14.12zM128 2e2c-43.27.0-68.72-21.14-80-33.71V126.4l76.24 40.66a8 8 0 007.52.0L176 143.47v46.34C163.4 195.69 147.52 2e2 128 2e2zm80-33.75a97.83 97.83.0 01-16 14.25V134.93l16-8.53zm-20-47.31-.22-.13-56-29.87a8 8 0 00-7.52 14.12L171 128l-43 22.93L25 96 128 41.07 231 96z"/></svg></svg></span><h3 class="flex items-center mb-1 text-lg font-semibold text-gray-900 dark:text-white">Ph.D. Computer Science</h3><span class="block mb-2 text-sm font-normal leading-none text-gray-500 dark:text-gray-300">KAIST</span> 14<time class="block mb-3 text-sm font-normal leading-none text-gray-500 dark:text-gray-300">March 2018 â 15February 2025</time><div class="mb-4 text-base font-normal text-gray-500 dark:text-gray-300 prose prose-slate dark:prose-invert">Enhancing Spatiotemporal Traffic Forecasting Models with Insights from Urban Human Activity</div><a href=/KAIST_PhD_Dissertation_Sumin_Han.pdf target=_blank rel=noopener class="inline-flex items-center px-4 py-2 text-sm font-medium text-gray-900 bg-white border border-gray-200 rounded-lg hover:bg-gray-100 hover:text-primary-700 focus:z-10 focus:ring-4 focus:outline-none focus:ring-gray-200 focus:text-primary-700 dark:bg-gray-800 dark:text-gray-300 dark:border-gray-600 dark:hover:text-white dark:hover:bg-gray-700 dark:focus:ring-gray-700"><svg class="w-3.5 h-3.5 me-2.5" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" fill="currentcolor" viewBox="0 0 20 20"><path d="M14.707 7.793a1 1 0 00-1.414.0L11 10.086V1.5a1 1 0 00-2 0v8.586L6.707 7.793A1 1 0 105.293 9.207l4 4a1 1 0 001.416.0l4-4a1 1 0 00-.002-1.414z"/><path d="M18 12h-2.55l-2.975 2.975a3.5 3.5.0 01-4.95.0L4.55 12H2a2 2 0 00-2 2v4a2 2 0 002 2h16a2 2 0 002-2v-4a2 2 0 00-2-2zm-3 5a1 1 0 110-2 1 1 0 010 2z"/></svg> Read Thesis</a></li><li class="mb-10 ms-6"><span class="absolute flex items-center justify-center w-6 h-6 bg-primary-100 rounded-full -start-3 ring-8 ring-white dark:ring-gray-900 dark:bg-primary-900"><svg xmlns="http://www.w3.org/2000/svg" fill="currentcolor" viewBox="0 0 256 256" class="w-5 h-5 text-primary-800 dark:text-primary-300"><path d="M251.76 88.94l-120-64a8 8 0 00-7.52.0l-120 64a8 8 0 000 14.12L32 117.87v48.42a15.91 15.91.0 004.06 10.65C49.16 191.53 78.51 216 128 216a130 130 0 0048-8.76V240a8 8 0 0016 0V199.51a115.63 115.63.0 0027.94-22.57A15.91 15.91.0 00224 166.29V117.87l27.76-14.81a8 8 0 000-14.12zM128 2e2c-43.27.0-68.72-21.14-80-33.71V126.4l76.24 40.66a8 8 0 007.52.0L176 143.47v46.34C163.4 195.69 147.52 2e2 128 2e2zm80-33.75a97.83 97.83.0 01-16 14.25V134.93l16-8.53zm-20-47.31-.22-.13-56-29.87a8 8 0 00-7.52 14.12L171 128l-43 22.93L25 96 128 41.07 231 96z"/></svg></svg></span>
15<h3 class="flex items-center mb-1 text-lg font-semibold text-gray-900 dark:text-white">B.S. Computer Science</h3><span class="block mb-2 text-sm font-normal leading-none text-gray-500 dark:text-gray-300">KAIST</span> 16<time class="block mb-3 text-sm font-normal leading-none text-gray-500 dark:text-gray-300">March 2013 â 17February 2018</time><div class="mb-4 text-base font-normal text-gray-500 dark:text-gray-300 prose prose-slate dark:prose-invert"></div></li><li class="mb-10 ms-6"><span class="absolute flex items-center justify-center w-6 h-6 bg-primary-100 rounded-full -start-3 ring-8 ring-white dark:ring-gray-900 dark:bg-primary-900"><svg xmlns="http://www.w3.org/2000/svg" fill="currentcolor" viewBox="0 0 256 256" class="w-5 h-5 text-primary-800 dark:text-primary-300"><path d="M251.76 88.94l-120-64a8 8 0 00-7.52.0l-120 64a8 8 0 000 14.12L32 117.87v48.42a15.91 15.91.0 004.06 10.65C49.16 191.53 78.51 216 128 216a130 130 0 0048-8.76V240a8 8 0 0016 0V199.51a115.63 115.63.0 0027.94-22.57A15.91 15.91.0 00224 166.29V117.87l27.76-14.81a8 8 0 000-14.12zM128 2e2c-43.27.0-68.72-21.14-80-33.71V126.4l76.24 40.66a8 8 0 007.52.0L176 143.47v46.34C163.4 195.69 147.52 2e2 128 2e2zm80-33.75a97.83 97.83.0 01-16 14.25V134.93l16-8.53zm-20-47.31-.22-.13-56-29.87a8 8 0 00-7.52 14.12L171 128l-43 22.93L25 96 128 41.07 231 96z"/></svg></svg></span><h3 class="flex items-center mb-1 text-lg font-semibold text-gray-900 dark:text-white">School for Gifted Science Students</h3><span class="block mb-2 text-sm font-normal leading-none text-gray-500 dark:text-gray-300">Korea Science Academy of KAIST</span> 18<time class="block mb-3 text-sm font-normal leading-none text-gray-500 dark:text-gray-300">March 2009 â 19February 2013</time><div class="mb-4 text-base font-normal text-gray-500 dark:text-gray-300 prose prose-slate dark:prose-invert"></div></li></ol></div></div></div></section><section id=section-resume-skills class="relative hbb-section blox-resume-skills" style="padding:5rem 0"><div class=home-section-bg></div><div class="flex flex-col items-center max-w-prose mx-auto gap-3 justify-center"><div class="mb-6 text-3xl font-bold text-gray-900 dark:text-white">Skills & Hobbies</div></div><div class="flex flex-col lg:flex-row items-center max-w-prose mx-auto gap-3"><div class="w-full lg:w-1/2"><div class="mb-5 text-xl font-bold text-gray-900 dark:text-white">Research Expertise</div><div class=skills-content><span class="skills-icon inline-block"><svg style="height:1em" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="none" stroke="currentcolor" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M8.25 3v1.5M4.5 8.25H3m18 0h-1.5M4.5 12H3m18 0h-1.5m-15 3.75H3m18 0h-1.5M8.25 19.5V21M12 3v1.5m0 15V21m3.75-18v1.5m0 15V21m-9-1.5h10.5a2.25 2.25.0 002.25-2.25V6.75A2.25 2.25.0 0017.25 4.5H6.75A2.25 2.25.0 004.5 6.75v10.5a2.25 2.25.0 002.25 2.25m.75-12h9v9h-9z"/></svg> 20</span><span class="skills-name text-gray-700 dark:text-gray-300">Deep Learning</span></div><div class=skills-content><span class="skills-icon inline-block"><svg style="height:1em" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="none" stroke="currentcolor" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M9 6.75V15m6-6v8.25m.503 3.499 4.875-2.438c.381-.19.622-.58.622-1.006V4.82c0-.836-.88-1.38-1.628-1.006l-3.869 1.934a1.12 1.12.0 01-1.006.0L9.503 3.252a1.125 1.125.0 00-1.006.0L3.622 5.689A1.125 1.125.0 003 6.695V19.18c0 .836.88 1.38 1.628 1.006l3.869-1.934a1.12 1.12.0 011.006.0l4.994 2.497c.317.158.69.158 1.006.0"/></svg> 21</span><span class="skills-name text-gray-700 dark:text-gray-300">Spatiotemporal Modeling</span></div><div class=skills-content><span class="skills-icon inline-block"><svg style="height:1em" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="none" stroke="currentcolor" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M7.217 10.9
2107a2.25 2.25.0 100 2.186m0-2.186c.18.324.283.696.283 1.093s-.103.77-.283 1.093m0-2.186 9.566-5.314m-9.566 7.5 9.566 5.314m0 0a2.25 2.25.0 103.935 2.186 2.25 2.25.0 00-3.935-2.186m0-12.814a2.25 2.25.0 103.933-2.185 2.25 2.25.0 00-3.933 2.185"/></svg> 22</span><span class="skills-name text-gray-700 dark:text-gray-300">Graph Neural Networks</span></div><div class=skills-content><span class="skills-icon inline-block"><svg style="height:1em" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="none" stroke="currentcolor" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M20.25 8.511c.884.284 1.5 1.128 1.5 2.097v4.286c0 1.136-.847 2.1-1.98 2.193-.34.027-.68.052-1.02.072v3.091l-3-3a49.5 49.5.0 01-4.02-.163 2.115 2.115.0 01-.825-.242m9.345-8.334a2.126 2.126.0 00-.476-.095 48.64 48.64.0 00-8.048.0c-1.131.094-1.976 1.057-1.976 2.192v4.286c0 .837.46 1.58 1.155 1.951m9.345-8.334V6.637c0-1.621-1.152-3.026-2.76-3.235A48.455 48.455.0 0011.25 3c-2.115.0-4.198.137-6.24.402-1.608.209-2.76 1.614-2.76 3.235v6.226c0 1.621 1.152 3.026 2.76 3.235.577.075 1.157.14 1.74.194V21l4.155-4.155"/></svg> 23</span><span class="skills-name text-gray-700 dark:text-gray-300">LLM & AI Agents</span></div></div><div class="w-full lg:w-1/2"><div class="mb-5 text-xl font-bold text-gray-900 dark:text-white">Hobbies</div><div class=skills-content><span class="skills-icon inline-block"><svg style="height:1em" xmlns="http://www.w3.org/2000/svg" fill="currentcolor" viewBox="0 0 256 256"><path d="M152 80a32 32 0 10-32-32 32 32 0 0032 32zm0-48a16 16 0 11-16 16 16 16 0 0116-16zm64 112a8 8 0 01-8 8c-35.31.0-52.95-17.81-67.12-32.12-2.74-2.77-5.36-5.4-8-7.84l-13.43 30.88 37.2 26.57A8 8 0 01160 176v56a8 8 0 01-16 0V180.12l-31.07-22.2-33.59 77.27A8 8 0 0172 240a7.84 7.84.0 01-3.19-.67 8 8 0 01-4.15-10.52l54.08-124.37c-9.31-1.65-20.92 1.2-34.7 8.58a163.88 163.88.0 00-30.57 21.77 8 8 0 01-10.95-11.66c2.5-2.35 61.69-57.23 98.72-25.08 3.83 3.32 7.48 7 11 10.57C166.19 122.7 179.36 136 208 136a8 8 0 018 8z"/></svg> 24</span><span class="skills-name text-gray-700 dark:text-gray-300">Hiking</span></div><div class=skills-content><span class="skills-icon inline-block"><svg style="height:1em" viewBox="0 0 370 391" xmlns="http://www.w3.org/2000/svg"><g clip-rule="evenodd" fill-rule="evenodd"><path d="m207.5 22.4L321.9 89c13.5 7.9 21.9 22.4 21.9 38v136.4c0 17.3-9.3 33.3-24.5 41.8l-113.5 63.9a49.06 49.06.0 01-48.5-.2L52.8 308.8c-16.4-9.5-26.6-27-26.6-45.9V133.4c0-19.1 9.9-36.8 26.1-46.8l102.8-63.5c16-9.9 36.2-10.1 52.4-.7z" fill="#ff4088" stroke="#c9177e" stroke-width="27"/><path d="m105.6 298.2V91H149v75.5h71.9V91h43.5v207.2h-43.5v-90.6H149v90.6z" fill="#fff"/></g></svg> 25</span><span class="skills-name text-gray-700 dark:text-gray-300">Chess</span></div><div class=skills-content><span class="skills-icon inline-block"><svg style="height:1em" viewBox="0 0 370 391" xmlns="http://www.w3.org/2000/svg"><g clip-rule="evenodd" fill-rule="evenodd"><path d="m207.5 22.4L321.9 89c13.5 7.9 21.9 22.4 21.9 38v136.4c0 17.3-9.3 33.3-24.5 41.8l-113.5 63.9a49.06 49.06.0 01-48.5-.2L52.8 308.8c-16.4-9.5-26.6-27-26.6-45.9V133.4c0-19.1 9.9-36.8 26.1-46.8l102.8-63.5c16-9.9 36.2-10.1 52.4-.7z" fill="#ff4088" stroke="#c9177e" stroke-width="27"/><path d="m105.6 298.2V91H149v75.5h71.9V91h43.5v207.2h-43.5v-90.6H149v90.6z" fill="#fff"/></g></svg> 26</span><span class="skills-name text-gray-700 dark:text-gray-300">Cooking</span></div></div></div></section><section id=section-resume-awards class="relative hbb-section blox-resume-awards" style="padding:5rem 0"><div class=home-section-bg></div><div class="flex flex-col items-center max-w-prose mx-auto gap-3 justify-center"><div class="mb-6 text-3xl font-bold text-gray-900 dark:text-white">Awards</div><div class="w-full flex flex-col gap-6"></div></div></section><section id=section-resume-languages class="relative hbb-section blox-resume-languages" style="padding:5rem 0"><div class=home-section-bg></div><div class="flex flex-col items-center max-w-prose mx-auto gap-3 justify-center"><div class="mb-6 text-3xl font-bold text-gray-900 dark:text-white">Languages</div><div class="flex items-center flex-col lg:flex-row gap-x-8"><div class="flex flex-col items-center"><div class="flex items-center justify-center w-28 h-28"><svg class="transform -rotate-90" viewBox="0 0 288 288"><circle cx="145" cy="145" r="120" stroke="currentcolor" stroke-width="30" fill="transparent" class="text-gray-200 dark:text-gray-700"/><circle cx="145" cy="145" r="120" stroke="currentcolor" stroke-width="30" fill="transparent" class="text-primary-600 dark:text-primary-300" style="stroke-dasharray:calc(2 * 22/7 * 120);stroke-dashoffset:calc(((2 * 22/7 * 120) * 90/100) - (2 * 22/7 * 120))"/></svg> 27<span class="absolute text-3xl">90%</span></div><span class=text-1xl>English</span></div><div class="flex flex-col items-center"><div class="flex items-center justify-center w-28 h-28"><svg class="transform -rotate-90" viewBox="0 0 288 288"><circle cx="145" cy="145" r="120" stroke="currentcolor" stroke-width="30" fill="transparent" class="text-gray-200 dark:text-gray-700"/><circle cx="145" cy="145" r="120" stroke="currentcolor" stroke-width="30" fill="transparent" class="text-primary-600 dark:text-primary-300" style="stroke-dasharray:calc(2 * 22/7 * 120);stroke-dashoffset:calc(((2 * 22/7 * 120) * 100/100) - (2 * 22/7 * 120))"/></svg> 28<span class="absolute text-3xl">100%</span></div><span class=text-1xl>Korean</span></div></div></div></section></div><div class=page-footer><footer class="container mx-auto flex flex-col justify-items-center text-sm leading-6 mt-24 mb-4 text-slate-700 dark:text-slate-200"><p class="powered-by text-center">© 2026 Sumin Han. 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Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.