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@HGUSight @unbap @handong-app @Club-PARD @milideal @3rd-PARD-SERVER-PART

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Callein/README.md

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πŸ‘‹ Hi there, Hits th visitor.

I’m a software engineer who believes that solving problems is the essence of development.
I don't just write code; I view technology as a tool to eliminate user pain points.
I find genuine joy in delivering tangible value that makes a real difference.


πŸ“‚ Featured Repositories

Project Engineering & Impact Tech Stack Link
KTL Certified
RAGvertise
KTL Certified AI Ad-Agency Recommendation Engine. Optimized with Weighted Late Fusion to achieve 0.25s latency & 75% cost reduction. FastAPI Β· FAISS Β· E5/fastText Β· React πŸ”— Repo
Excellence Award
CMS
(Core API)
Designed Event-Driven Architecture (EDA) using RabbitMQ for high availability & Fault Tolerance. Implemented Atomic Orphan Removal for data integrity. Spring Boot Β· MariaDB Β· RabbitMQ Β· MinIO Β· k8s πŸ”— Repo
Excellence Award
CMS
Transcode Worker
Async media processing engine. Implemented Single-Pass Encoding to reduce Disk I/O by 50%. Enabled HLS dynamic parsing & secure streaming. Python Β· Celery Β· FFmpeg Β· RabbitMQ πŸ”— Repo
Grand Award
Handong Feed
Platform
MSA-based curation service. Adopted Polyglot & Hybrid ORM strategy for resource efficiency. Secured with RBAC & API Gateway pattern. Spring Boot Β· MySQL Β· Docker Β· Infisical πŸ”— Repo
Grand Award
HFeed
Spotlight
Serverless AI pipeline. Built PII Masking (KoELECTRA) & Fault Tolerance logic with auto-retry mechanism. Achieved 87% tagging accuracy. FastAPI Β· Gemini/Ollama Β· GitHub Actions πŸ”— Repo
Grand Award
HFeed
Validator
Deduplication service using TF-IDF/Annoy. Achieved 70% data compression with 0.9s real-time classification. FastAPI Β· TF-IDF Β· Annoy Β· Scikit-learn πŸ”— Repo

πŸ† Awards

Award Name Award Level Date Issued by
Smart Application Contest Excellence Award 2025.NOV HGU
2025 Capstone Festival Excellence Award 2025.MAY HGU
2025 COSS JBNU Olympiad Top Award 2025.JAN COSS
Smart Application Contest Grand Award 2024.NOV HGU
Smart Application Contest Excellence Award 2024.NOV HGU
2024 COSS sLLM Excellence Award 2024.JUL COSS
Smart Application Contest Grand Award 2021.DEC HGU
C Programming Contest Top Award 2020.DEC HGU
Freshman Software Contest Top Award 2020.DEC HGU

πŸͺͺ Certifications

Certification Date Issued by Details
KTL Software Performance Test Report – AI System 2025.AUG Korea Testing Laboratory (KTL) Report No. 25-054618-01-1
ISO/IEC 17025
TOPCIT Level 3 (top 15–20%, 607/1000) 2025.MAY Institute for Information & Communications Technology Promotion (IITP) National competency assessment for IT/software professionals

πŸŽ–οΈ Honors & Scholarships

Title Date Issued by
3rd Korea-U.S. Student Exchange Program in the field of high-tech industry 2025.JUN Minister of Trade, Industry and Energy (MOTIE)

πŸŽ“ Education

Institution Major Duration
LeTourneau University, TX, USA Computer Science (Exchange Program) 2025.AUG. ~ 2025.DEC.
Handong Global University, Pohang AI computer science 2020.MAR. ~ Present
DaeDong High School, Busan Natural Sciences 2017.MAR. ~ 2020.FEB.

πŸ› οΈ Tech Stack

Category Skills
Languages
Backend & AI
Database MariaDB
DevOps & Infra
Tools Bruno Β 

🦾 Stats

Ashutosh's github activity graph

Most Used Languages Current Streak

Pinned Loading

  1. ragvertise ragvertise Public

    [Content AI Recommender v1.0 ] AI-powered content recommender (solo project) officially tested and certified by Korea Testing Laboratory (KTL). – Achieved 2.66s response time, ROUGE-1 F1 = 0.91, Re…

    Python 1

  2. handong-app/handong-feed-validator handong-app/handong-feed-validator Public

    This project is a FastAPI-based system that compares request messages with existing messages in a database to detect duplicates based on message similarity using angular distance.

    Python 1 1

  3. handong-app/cms-transcode-worker handong-app/cms-transcode-worker Public

    Python & Celery 기반 λΉ„λ””μ˜€ νŠΈλžœμŠ€μ½”λ”© μ—”μ§„. FFmpeg Single-Pass μ΅œμ ν™”λ‘œ Disk I/Oλ₯Ό 50% μ ˆκ°ν•˜κ³ , RabbitMQ μž¬μ—°κ²° 둜직으둜 결함 ν—ˆμš©(Fault Tolerance)을 보μž₯.

    Python 2 1

  4. handong-app/handong-feed-spotlight handong-app/handong-feed-spotlight Public

    Handong Feed Spotlight λŠ” LLM κΈ°μˆ μ„ ν™œμš©ν•˜μ—¬ ν•œλ™ ν”Όλ“œμ˜ μ΅œμ‹  μ—…λ°μ΄νŠΈ μ½˜ν…μΈ λ₯Ό 선별, μš”μ•½, ν‰κ°€ν•˜λŠ” 톡합 API 기반 마이크둜 μ„œλΉ„μŠ€μž…λ‹ˆλ‹€.

    Python 1

  5. handong-app/CMS handong-app/CMS Public

    ꡐ내 λ™μ•„λ¦¬μ˜ 효율적인 운영과 ν™œλ™ 기둝(지식)의 μ˜μ†μ  보쑴을 μœ„ν•œ μ›Ή 기반 Club Management Service

    TypeScript 1 2

  6. handong-app/handong-feed-app handong-app/handong-feed-app Public

    ν•œλ™λŒ€ν•™κ΅μ˜ μ†Œμ‹μ„ ν•œ λ²ˆμ— λ³Ό 수 있게 도와쀄 Handong Feed. MSA 기반 ꡐ내 정보 νλ ˆμ΄μ…˜ ν”Œλž«νΌμœΌλ‘œ, μ‹€μ‹œκ°„ 쀑볡 탐지(TF-IDF/Annoy)와 LLM μžλ™ νƒœκΉ…μœΌλ‘œ 데이터 70%λ₯Ό μ••μΆ•ν•˜μ—¬ 고밀도 정보λ₯Ό μ œκ³΅ν•©λ‹ˆλ‹€.

    Java 4 1