Junkyu Lim
Product Engineer at flex
Seoul, South Korea
Summary
🤩
Rockstar🎓
Top SchoolJunkyu Lim is a Product Engineer based in Seoul with six years of hands-on experience building backend systems and migrating legacy workflows into scalable products. He has led core feature development and architecture for B2C services using Go and Kotlin, and currently drives domain-focused product engineering at flex. His background spans gRPC-based distributed systems, performance tuning (including 20x gains via coroutines/multithreading), and practical ML interests such as lightweight model pruning and AutoML. A clean-code advocate active in open-source communities like Hacktoberfest and Exercism, he also completed a Google Machine-Learning Bootcamp and maintains a technical blog and portfolio that highlight both system-level engineering and applied ML experiments.
6 years of coding experience
2 years of employment as a software developer
Bachelor of Engineering - BE, Computer Science Engineering, 3.5 / 4.5, Bachelor of Engineering - BE, Computer Science Engineering, 3.5 / 4.5 at 충남대학교
Github Skills (38)
in-progress10
typescript10
tracks10
react10
java9
spring9
security9
grpc8
go8
spring-security8
crdt8
document-store8
spring-boot7
tech-blog7
jpa6
Programming languages (11)
Github contributions (5)
brave-people/Dev-Event-Subscribe-Script
Feb 2021 - Apr 2024
🎉🎈 Dev Event 📧 메일링을 위한 파이썬 스크립트
Contributions:6 releases, 38 pushes, 3 branches in 3 years 2 months
YAPP-18th/ML-Team-Backend
May 2021 - Jul 2021
ML Team Backend / Studeep✨
Contributions:53 reviews, 33 PRs, 32 pushes in 2 months
backendmachine-learning
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