Senior Software Engineer building backend platforms, AI systems, and production-grade software.

I have 11+ years of experience designing enterprise backend systems, distributed integrations, and performance-critical applications. My current work focuses on retrieval systems, AI infrastructure, and building software that remains reliable, maintainable, and observable in production.

• 11+ years of professional software engineering experience
• Building enterprise backend systems and AI retrieval platforms
• Global Rank #10 — LeetCode Weekly Contest 504
• LeetCode Guardian (Top 1%)
• Bronze Medalist — Korean Olympiad in Informatics
• 1st Place — Republic of Korea Air Force Cyber Security Competition

• Backend Architecture
• Enterprise AI Systems
• Retrieval-Augmented Generation (RAG)
• Hybrid Search & Retrieval Evaluation
• Open Source Engineering
• Performance & Reliability

I enjoy building software that remains understandable years after it is written.

• Design for maintainability before complexity.
• Prefer measurable engineering over assumptions.
• Build systems that are observable and testable.
• Keep interfaces simple and explicit.
• Treat AI applications as engineering systems where retrieval quality, evaluation, latency, reliability, and safety matter equally.

A production-inspired retrieval platform demonstrating document ingestion, embeddings, hybrid retrieval, reranking, evaluation, and local LLM integration using synthetic enterprise documents.

Curated algorithm solutions, contest notes, and problem-solving patterns.

• LeetCode: https://leetcode.com/u/minsuking/
• Repository: https://github.com/minsuking/LeetCode_Practice

Developer-focused automation and backend tooling designed to improve operational efficiency.

I'm currently preparing meaningful upstream contributions to the MONAI ecosystem.

My goal is to contribute production-quality improvements in documentation, testing, developer experience, and engineering quality. Verified upstream contributions will be linked here after they become public.

Languages

• Java
• Python
• C++

Backend

• Spring
• FastAPI
• REST APIs

Databases

• PostgreSQL
• Oracle
• Redis

AI Systems

• Retrieval-Augmented Generation (RAG)
• Semantic Search
• Hybrid Search
• Vector Retrieval
• Local LLM Infrastructure

Engineering

• Distributed Systems
• Docker
• GitHub Actions
• Performance Optimization
• System Design

• LinkedIn: https://linkedin.com/in/kingminsu
• LeetCode: https://leetcode.com/u/minsuking/
• GitHub: https://github.com/minsuking
• Email: iam@minsu.dev