๐Ÿ‘ฉโ€๐Ÿ’ป

Doyeon Kim

AI Platform Developer @ Samsung Electronics

On-device SLM๋ถ€ํ„ฐ Cloud LLM๊นŒ์ง€ โ€” Healthcare ๋„๋ฉ”์ธ ํŠนํ™” LLM์˜ ํ•™์Šตยท๊ฒฝ๋Ÿ‰ํ™”ยทํ‰๊ฐ€ยท์„œ๋น™์„ end-to-end๋กœ ์ƒ์šฉํ™”ํ•ฉ๋‹ˆ๋‹ค.

About Me

Current Role

์‚ผ์„ฑ์ „์ž MX์‚ฌ์—…๋ถ€ Samsung Health ํŒ€ Health Platform R&D Group์—์„œ Samsung Health๋ฅผ ์œ„ํ•œ LLM ๋ชจ๋ธ์„ ๊ฐœ๋ฐœํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. ์˜จ๋””๋ฐ”์ด์Šค SLM๋ถ€ํ„ฐ ํด๋ผ์šฐ๋“œ LLM๊นŒ์ง€ end-to-end๋กœ AI ์„œ๋น„์Šค๋ฅผ ์ƒ์šฉํ™”ํ•˜๊ณ  ์šด์˜ํ•ฉ๋‹ˆ๋‹ค. Samsung Research America ๋“ฑ ๊ธ€๋กœ๋ฒŒ ํŒ€๊ณผ ํ˜‘์—…ํ•˜๋ฉฐ ML ๋ชจ๋ธ์„ ํ”„๋กœ๋•์…˜์— ํ†ตํ•ฉํ•˜๋Š” ์—…๋ฌด๋„ ๋‹ด๋‹นํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

Research Interests

  • Domain-Specialized LLM / SLM (Healthcare, On-device)
  • Post-training & Alignment (SFT, Instruction Tuning, Guardrail)
  • Model Compression (LoRA, Quantization, Distillation)
  • LLM-based Agent & RAG
  • Recommender Systems & Graph Neural Networks

Languages: ํ•œ๊ตญ์–ด (Native) ยท English (Fluent) ยท ไธญๆ–‡ (Intermediate)

Education & Career

2024.07 ~ ํ˜„์žฌ

Samsung Electronics MX Division

Samsung Health ยท Health Platform R&D Group ยท AI Platform Developer

Samsung Health LLM/SLM ๋ชจ๋ธ ๊ฐœ๋ฐœ ๋ฐ ์ƒ์šฉํ™” ยท Samsung Research America ํ˜‘์—…

2022.03 ~ 2024.02

์„œ์šธ๋Œ€ํ•™๊ต (Seoul National University)

M.S. in Artificial Intelligence ยท Data Mining Lab (Prof. U Kang)

GPA 3.72/4.3 ยท ์ถ”์ฒœ ์‹œ์Šคํ…œ ์—ฐ๊ตฌ ยท AI Fellowship ์ˆ˜์—ฌ

2019.08 ~ 2019.12

Tampere University, Finland

Exchange ยท Computer Science and Engineering

ํ•€๋ž€๋“œ ํƒํŽ˜๋ ˆ ๋Œ€ํ•™๊ต ๊ตํ™˜ํ•™์ƒ (4 major + 2 general courses)

2018.03 ~ 2022.02

๊ด‘์šด๋Œ€ํ•™๊ต (Kwangwoon University)

B.S. in Information Convergence, Data Science

GPA 4.07/4.5 (Major 4.16/4.5) ยท Dean's List ยท Software Excellence Scholarship

Work Experience

Samsung Electronics์—์„œ ์ง„ํ–‰ํ•œ ํ”„๋กœ์ ํŠธ๋“ค

๐Ÿ”
2026.02 ~ 2026.05

Partner API Gateway ํ”Œ๋žซํผ ๊ตฌ์ถ• ๋ฐ ์šด์˜

์™ธ๋ถ€ ํŒŒํŠธ๋„ˆ์‚ฌ์˜ ๋ฐ์ดํ„ฐ ๋ฐ ์„œ๋น„์Šค ์ ‘๊ทผ์„ ์œ„ํ•œ API Gateway ํ”Œ๋žซํผ ๊ตฌ์ถ• ๋ฐ ์šด์˜

  • โ–ธKubernetes ๊ธฐ๋ฐ˜ API Gateway ์šด์˜ ํ™˜๊ฒฝ ๊ตฌ์ถ•
  • โ–ธOAuth2 / JWT ๊ธฐ๋ฐ˜ ์ธ์ฆ ์ฒด๊ณ„ ์„ค๊ณ„ยท์šด์˜, Scope ๊ธฐ๋ฐ˜ ๊ถŒํ•œ ๊ด€๋ฆฌ ์ •์ฑ… ์ˆ˜๋ฆฝ
  • โ–ธ์„ ์–ธ์  ์„ค์ • ๊ธฐ๋ฐ˜ ์šด์˜ ์ฒด๊ณ„๋กœ ์‹ ๊ทœ ์„œ๋น„์Šค ์˜จ๋ณด๋”ฉ ์‹œ ์ฝ”๋“œ ์ˆ˜์ • ์—†์ด ํ™•์žฅ ๊ฐ€๋Šฅ
  • โ–ธ์ค‘์•™ํ™”๋œ ์ธ์ฆยท์ธ๊ฐ€ ์ฒด๊ณ„๋กœ ์šด์˜ ๋ณต์žก๋„์™€ ๋ณด์•ˆ ๋ฆฌ์Šคํฌ ๊ฐ์†Œ
KubernetesAPI GatewayOAuth2JWTAWS CognitoHelm
๐Ÿฅ
2025.03 ~ 2026.01

Health AI Assistant ์ƒํ’ˆํ™” ๋ฐ ์šด์˜

Samsung Health ์•ฑ ๋‚ด ๊ฐœ์ธ ๋งž์ถคํ˜• ๊ฑด๊ฐ• ์ธ์‚ฌ์ดํŠธ๋ฅผ ์ œ๊ณตํ•˜๋Š” AI Assistant ์ƒํ’ˆํ™” ๋ฐ ๊ธ€๋กœ๋ฒŒ ์„œ๋น„์Šค ์šด์˜

  • โ–ธGCPยทAzure ๊ธฐ๋ฐ˜ ๊ธ€๋กœ๋ฒŒ ์„œ๋น„์Šค ์šด์˜ ๋ฐ ์•ˆ์ •ํ™”
  • โ–ธInput Guardrail ๋ชจ๋ธ ์„ค๊ณ„ ๋ฐ ๊ฒฝ๋Ÿ‰ SLM ๊ธฐ๋ฐ˜ ์•ˆ์ „์„ฑ ๋ถ„๋ฅ˜ ์ฒด๊ณ„ ๊ฐœ๋ฐœ
  • โ–ธPhi-3-miniยทGemma2 ๊ธฐ๋ฐ˜ Instruction Tuning ๋ฐ ํ‰๊ฐ€ ์ฒด๊ณ„ ๊ตฌ์ถ•
LLMGCPAzurePhi-3-miniGemma2Instruction Tuning
๐Ÿ“ฑ
2024.11 ~ 2025.11

์˜จ๋””๋ฐ”์ด์Šค Gauss ๊ธฐ๋ฐ˜ Energy Score Insight Message ์ƒํ’ˆํ™”

Galaxy S25 / Flip7 / Fold7 / S26 ์‹œ๋ฆฌ์ฆˆ ๋Œ€์ƒ ๊ฐœ์ธํ™” Insight Message ๊ธฐ๋Šฅ ์ƒ์šฉํ™”

  • โ–ธํ”„๋กฌํ”„ํŠธ ์„ค๊ณ„, LoRA ๊ธฐ๋ฐ˜ ํŒŒ์ธํŠœ๋‹๊นŒ์ง€ end-to-end ๋‹ด๋‹น
  • โ–ธKubeflow ํ•™์Šต ํŒŒ์ดํ”„๋ผ์ธ ์šด์˜ ๋ฐ ์˜จ๋””๋ฐ”์ด์Šค ๋ชจ๋ธ ๋ณ€ํ™˜
  • โ–ธGPT-4o ๊ธฐ๋ฐ˜ G-Eval ํ‰๊ฐ€ ์‹œ์Šคํ…œ ๊ตฌ์ถ•
  • โ–ธGitHub Actions ๊ธฐ๋ฐ˜ ์ž๋™ํ™” ํ™˜๊ฒฝ ๊ตฌ์ถ•์œผ๋กœ ์ œํ’ˆ ์ˆ˜์ค€ AI ๊ธฐ๋Šฅ ์ƒ์šฉํ™”
On-deviceGaussLoRAKubeflowG-EvalGitHub Actions
๐Ÿ’ฌ
2025.06 ~ 2025.09

Cloud Gemini ๊ธฐ๋ฐ˜ ๋ฉ”์‹œ์ง€ ์ƒ์„ฑ ๋ชจ๋“ˆ ๊ฐœ๋ฐœ

Cloud ํ™˜๊ฒฝ์—์„œ Gemini ๊ธฐ๋ฐ˜ ๋ฉ”์‹œ์ง€ ์ƒ์„ฑ ๋ชจ๋“ˆ ๊ฐœ๋ฐœ

  • โ–ธFastAPI ๊ธฐ๋ฐ˜ API ์„œ๋ฒ„ ๋ฐ MongoDB ๊ธฐ๋ฐ˜ ๋ฉ”์‹œ์ง€ ์ €์žฅ ๊ตฌ์กฐ ์„ค๊ณ„
  • โ–ธPrompt Engineering ๋ฐ JSON Parsing ๊ธฐ๋ฐ˜ ๊ตฌ์กฐํ™” ์‘๋‹ต ์ฒด๊ณ„ ๊ตฌ์ถ•
GeminiFastAPIMongoDBPrompt Engineering
๐Ÿค–
2024.11 ~ 2025.04

์‚ฌ๋‚ด ํ—ฌ์Šค ๋„๋ฉ”์ธ ์ฑ—๋ด‡ ๊ฐœ๋ฐœ

Llama ๊ธฐ๋ฐ˜ Physician-8B ๋ชจ๋ธ์„ ํ•œ๊ตญ์–ด ์˜๋ฃŒ ๋ฐ์ดํ„ฐ๋กœ ํŒŒ์ธํŠœ๋‹ํ•œ ํ—ฌ์Šค ๋„๋ฉ”์ธ ํŠนํ™” QA ์ฑ—๋ด‡

  • โ–ธLangChain ๊ธฐ๋ฐ˜ RAG ํŒŒ์ดํ”„๋ผ์ธ ๊ตฌ์ถ•
  • โ–ธStreamlit UI โ€“ RAG โ€“ Ollama โ€“ Cloud Run ๊ตฌ์กฐ๋กœ ๋ฐฐํฌ
  • โ–ธ์‚ฌ๋‚ด ํ™œ์šฉ ํ™˜๊ฒฝ๊นŒ์ง€ end-to-end ๊ตฌ์ถ•
LlamaRAGLangChainOllamaStreamlitCloud Run
๐Ÿ“…
2022.12 ~ 2023.04

Calendar-based Schedule Recommender System

์‚ผ์„ฑ์ „์ž ์‚ฐํ•™ํ˜‘๋ ฅ ยท ์บ˜๋ฆฐ๋” ๊ธฐ๋ฐ˜ ์ผ์ • ์ถ”์ฒœ ์‹œ์Šคํ…œ

  • โ–ธContent-based filtering ๊ธฐ๋ฐ˜ ์ผ์ • ์ถ”์ฒœ ์‹œ์Šคํ…œ ๋ฐ์ดํ„ฐ ์ˆ˜์ง‘ ๋ฐ ๊ตฌ์กฐ ์„ค๊ณ„
  • โ–ธBPR-MF ๋ฐ RNN ๊ธฐ๋ฐ˜ ์ถ”์ฒœ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ์ œ์•ˆ
  • โ–ธ์‚ผ์„ฑ์ „์ž์™€ ๋ณด๊ณ ์„œ ํ˜‘์—… ๋ฐ ์ถ”๊ฐ€ ๋ฐ์ดํ„ฐ ์š”์ฒญ ์ปค๋ฎค๋‹ˆ์ผ€์ด์…˜
Recommender SystemBPR-MFRNNContent-based Filtering
๐Ÿงฎ
2022.07 ~ 2022.12

DRAM Workload Classification Interpretation Model

์‚ผ์„ฑ์ „์ž ์‚ฐํ•™ํ˜‘๋ ฅ ยท DRAM ์›Œํฌ๋กœ๋“œ ๋ถ„๋ฅ˜ ๋ชจ๋ธ ํ•ด์„ ์—ฐ๊ตฌ

  • โ–ธDRAM ์›Œํฌ๋กœ๋“œ์—์„œ ํ•ด์„ ๊ฐ€๋Šฅํ•œ feature ์ถ”์ถœ
  • โ–ธBlack-box ์›Œํฌ๋กœ๋“œ ๋ถ„๋ฅ˜ ๋ชจ๋ธ์˜ ํ•ด์„ ๊ฐ€๋Šฅ ๋ชจ๋ธ ํ•™์Šต
  • โ–ธPLOS ONE ๋…ผ๋ฌธ ๊ฒŒ์žฌ (Fast and Accurate Interpretation of Workload Classification Model)
XAIDRAMClassificationPLOS ONE

Research & Projects

์ถ”์ฒœ ์‹œ์Šคํ…œ ์—ฐ๊ตฌ ๋ฐ ๊ฐœ์ธ ํ”„๋กœ์ ํŠธ

๐Ÿฝ๏ธ
2025.02 ~ 2026.05 ยท yamyamlab (๋ชจ๋‘์˜์—ฐ๊ตฌ์†Œ)

๊ฐœ์ธํ™” ๋ง›์ง‘ ์ถ”์ฒœ ์›น์„œ๋น„์Šค ๊ฐœ๋ฐœ

์‚ฌ์šฉ์ž ์Œ์‹ ์„ ํ˜ธ๋„ ๋ฐ ๋ฐฉ๋ฌธ ์ด๋ ฅ ๊ธฐ๋ฐ˜ ๋ง›์ง‘ ์ถ”์ฒœ ์„œ๋น„์Šค

  • โ–ธRedis ๊ธฐ๋ฐ˜ ์ž„๋ฒ ๋”ฉ ์œ ์‚ฌ๋„ ๊ฒ€์ƒ‰ API ๊ตฌ์ถ•
  • โ–ธItem-based Collaborative Filtering, LightGCN ๊ธฐ๋ฐ˜ ์ถ”์ฒœ ๋ชจ๋ธ ์ ์šฉ
  • โ–ธLLM ๊ธฐ๋ฐ˜ "Restaurant World Cup" ๊ธฐ๋Šฅ์œผ๋กœ ์‚ฌ์šฉ์ž ์„ ํ˜ธ ๋งž์ถค ์„ค๋ช… ์ƒ์„ฑ, engagement ํ–ฅ์ƒ
  • โ–ธStreamlit UI๋กœ ์‚ฌ์šฉ์ž ํ”ผ๋“œ๋ฐฑ ๋ฐ์ดํ„ฐ ์ˆ˜์ง‘ ๋ฐ ๋งŒ์กฑ๋„ ๊ธฐ๋ฐ˜ ํ’ˆ์งˆ ๊ฐœ์„  ์‹คํ—˜
  • โ–ธ๋ฐ์ดํ„ฐ ์ˆ˜์ง‘ยท์ „์ฒ˜๋ฆฌ, ์ž„๋ฒ ๋”ฉ ์ƒ์„ฑ, API ์„œ๋ฒ„, ๊ฒฐ๊ณผ ์‹œ๊ฐํ™”๊นŒ์ง€ end-to-end ์ˆ˜ํ–‰
RedisLightGCNCollaborative FilteringLLMStreamlitEmbedding
๐Ÿ“š
2022 ~ 2024 ยท ์„œ์šธ๋Œ€ Data Mining Lab

Multi-behavior Sequence-aware Recommendation via GCN

๋‹ค์ค‘ ํ–‰๋™ ์ •๋ณด๋ฅผ ํ™œ์šฉํ•œ Graph Convolutional Network ๊ธฐ๋ฐ˜ ์ถ”์ฒœ ์‹œ์Šคํ…œ ์—ฐ๊ตฌ

๐Ÿ“„ ๋…ผ๋ฌธ (SCIE)
PLOS ONE 2024
๐Ÿ’พ SW ๋“ฑ๋ก
Software Registration
๐Ÿ“œ ํŠนํ—ˆ ์ถœ์›
10-2024-0001156
GCNRecommender SystemMulti-behaviorGraph Neural Network

๐Ÿš€ Other Projects

๐ŸŽค Talks & Activities

๊ฐ•์—ฐ, ๋ฉ˜ํ† ๋ง, ์™ธ๋ถ€ ํ™œ๋™

๐ŸŽ“
2026.04 ยท ๊ด‘์šด๋Œ€ํ•™๊ต

๊ด‘์šด๋Œ€ํ•™๊ต ํŠน๊ฐ•

๋ชจ๊ต ๊ด‘์šด๋Œ€ํ•™๊ต์—์„œ AI / LLM ๊ด€๋ จ ์ฃผ์ œ๋กœ ํŠน๊ฐ• ์ง„ํ–‰. ํ•™๋ถ€์ƒ ๋Œ€์ƒ ์‹ค๋ฌด ๊ฒฝํ—˜๊ณผ ์ง„๋กœ ์ธ์‚ฌ์ดํŠธ ๊ณต์œ .

LectureAI / LLMCareer
๐Ÿ“„ ๊ฐ•์—ฐ ์ž๋ฃŒ ๋ณด๊ธฐ โ†’
๐ŸŽ“
2024.03 ยท ๊ด‘์šด๋Œ€ํ•™๊ต

๋Œ€ํ•™์› ์ค€๋น„ ๊ณผ์ •๊ณผ ๋Œ€ํ•™์› ์ƒํ™œ

๋Œ€ํ•™์› ์ง„ํ•™์„ ๊ณ ๋ฏผํ•˜๋Š” ํ•™๋ถ€ ํ›„๋ฐฐ๋“ค์—๊ฒŒ ๋Œ€ํ•™์› ์ค€๋น„ ๊ณผ์ •, ์—ฐ๊ตฌ์‹ค ์„ ํƒ, ๋Œ€ํ•™์› ์ƒํ™œ ์ „๋ฐ˜์— ๋Œ€ํ•œ ๊ฒฝํ—˜ ๊ณต์œ .

LectureGraduate SchoolCareer
๐Ÿ“„ ๊ฐ•์—ฐ ์ž๋ฃŒ ๋ณด๊ธฐ โ†’
๐Ÿ‘ฉโ€๐Ÿซ
2022.10 / 2023.03 / 2023.09

Teaching & TA

์‚ผ์„ฑ์ „์ž ์ž„์ง์› ๋ฐ์ดํ„ฐ ์‚ฌ์ด์–ธ์Šค ๊ฐ•์˜ (10๊ธฐ, 11๊ธฐ) ยท ์„œ์šธ๋Œ€ ํ•™๋ถ€ 'Data Structure' ์กฐ๊ต ยท ์šฐ๋ฆฌ์€ํ–‰ ์ž„์ง์› DB ๊ด€๋ฆฌ ๊ต์œก.

TeachingTAData Science
๐ŸŒ
2019.03 ~ 2019.07

International Students Mentoring Program

ํ•ด์™ธ ์œ ํ•™์ƒ์„ ๋Œ€์ƒ์œผ๋กœ ํ•™๊ต ์ƒํ™œ, ์บ ํผ์Šค ์‹œ์„ค, ์„œ์šธ ์ƒํ™œ (์€ํ–‰ ๊ณ„์ขŒ ๊ฐœ์„ค, ๋ฌธํ™” ์‹œ์„ค ์ด์šฉ ๋“ฑ) ๋ฉ˜ํ† ๋ง.

MentoringInternational

Awards & Certifications

์ˆ˜์ƒ, ์žฅํ•™, ์ž๊ฒฉ์ฆ

๐Ÿ† Awards

  • 2023
    3rd Place, Monthly Dacon Emotion Recognition AI Competition
    DACON
  • 2020
    1st Place, K-STARTUP 2020 STUDENT LEAGUE
    Korea Enterprise Foundation
  • 2020
    1st Place, 4th KHU Valley Program (KVP)
    Kyung Hee University
  • 2020
    Special Prize, Open Source Contribution Conference
    Ministry of Science and ICT

๐ŸŽ–๏ธ Honors

  • 2022
    AI Fellowship
    Seoul National University
  • 2021
    Semester High Honors / Dean's List
    Kwangwoon University
  • 2021
    Software Excellence Scholarship
    Kwangwoon University
  • 2019
    English Excellence Scholarship
    Kwangwoon University
  • 2018
    Admission Scholarship
    Kwangwoon University

๐Ÿ“œ Certifications

  • 2025.07
    ๋น…๋ฐ์ดํ„ฐ๋ถ„์„๊ธฐ์‚ฌ
    ํ•œ๊ตญ๋ฐ์ดํ„ฐ์‚ฐ์—…์ง„ํฅ์›
  • 2022.09
    ์ •๋ณด์ฒ˜๋ฆฌ๊ธฐ์‚ฌ
    ํ•œ๊ตญ์‚ฐ์—…์ธ๋ ฅ๊ณต๋‹จ

๐Ÿ› ๏ธ Skills & Tech Stack

Programming

Python
R
C/C++
Java
MySQL
Swift
Android

LLM / DL

PyTorch
TensorFlow
Keras
HuggingFace
LangChain
LoRA
RAG

Backend / Infra

FastAPI
MongoDB
Redis
Kubernetes
Docker
AWS
GCP
Azure

Data / Tools

NumPy
Pandas
scikit-learn
Matplotlib
Tableau
Jupyter
Streamlit
Kubeflow
Helm

๐Ÿ“ซ Let's Connect

AI, LLM, ์ถ”์ฒœ ์‹œ์Šคํ…œ์— ๋Œ€ํ•ด ์ด์•ผ๊ธฐํ•˜๊ณ  ์‹ถ์œผ์‹œ๋‹ค๋ฉด ์–ธ์ œ๋“  ์—ฐ๋ฝ์ฃผ์„ธ์š”.