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46 followers · 75 following

Achievements

Achievement: Pair ExtraordinaireAchievement: Pull Sharkx3Achievement: YOLOAchievement: Quickdraw

Achievements

Achievement: Pair ExtraordinaireAchievement: Pull Sharkx3Achievement: YOLOAchievement: Quickdraw

Highlights

  • Pro

Organizations

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

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Callein/README.md

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👋 Hi there, Hits th visitor.

I’m a backend engineer who believes that reliability is the ultimate feature.
I don't just write code that works; I find genuine joy in digging deep to make systems more efficient and stable.

📂 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 · FAISS · E5/fastText · React 🔗 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 · MariaDB · RabbitMQ · MinIO · k8s 🔗 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 · Celery · FFmpeg · RabbitMQ 🔗 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 · MySQL · Docker · Infisical 🔗 Repo
Grand Award
HFeed
Spotlight		 Serverless AI pipeline. Built PII Masking (KoELECTRA) & Fault Tolerance logic with auto-retry mechanism. Achieved 87% tagging accuracy. FastAPI · Gemini/Ollama · GitHub Actions 🔗 Repo
Grand Award
HFeed
Validator		 Deduplication service using TF-IDF/Annoy. Achieved 70% data compression with 0.9s real-time classification. FastAPI · TF-IDF · Annoy · Scikit-learn 🔗 Repo

🏆 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

🪪 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

🎖️ 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)

🎓 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.

🛠️ Tech Stack

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

🦾 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 비디오 트랜스코딩 엔진. FFmpeg Single-Pass 최적화로 Disk I/O를 50% 절감하고, RabbitMQ 재연결 로직으로 결함 허용(Fault Tolerance)을 보장.

    Python 2 1

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

    Handong Feed Spotlight 는 LLM 기술을 활용하여 한동 피드의 최신 업데이트 콘텐츠를 선별, 요약, 평가하는 통합 API 기반 마이크로 서비스입니다.

    Python 1

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

    교내 동아리의 효율적인 운영과 활동 기록(지식)의 영속적 보존을 위한 웹 기반 Club Management Service

    TypeScript 1 2

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

    한동대학교의 소식을 한 번에 볼 수 있게 도와줄 Handong Feed. MSA 기반 교내 정보 큐레이션 플랫폼으로, 실시간 중복 탐지(TF-IDF/Annoy)와 LLM 자동 태깅으로 데이터 70%를 압축하여 고밀도 정보를 제공합니다.

    Java 3 1