Soonil Lim

Background

About Soonil Lim

Staff Software Engineer with 15+ years of experience in: Full-Stack Development (Web | Frontend | Backend) Cloud-Based IoT Platforms Embedded Systems (Device Drivers, Bootloaders) Career Highlights: • Architected automation services for SmartThings Pro, enabling scalable enterprise-level workflows via Node-RED and own Rule Engine • Designed SmartThings Energy backend and global tariff system to support energy-saving automation across regions • Built high-performance big data pipelines and recipe search systems for SmartThings Cooking, improving data quality and search efficiency • Engineered frontend systems for Smart Apartment Services to enhance user engagement and IoT device integration • 8 years in embedded systems for Galaxy devices: – Developed high-performance storage drivers for eMMC, UFS, and SD Cards – Led bootloader development and Flash Firmware Update (FFU) integration – Designed data diagnostics and failure analysis tools that reduced service costs and improved reliability Work Authorization: U.S. Permanent Resident (Green Card Holder) Relocating to Anywhere in the US Open to: Frontend / Backend / Embedded / Systems Engineering roles Technical Skills- Java, Python, JavaScript, TypeScript, Node.js, Embedded C, C#- AWS, Azure, PostgreSQL, RabbitMQ, Grafana, Docker, SQL, NoSQL - GitHub, CI/CD- Linux Kernel, Memory Device, Device Driver - IoT Platforms, Automation Services, Big Data Pipelines - Software Architecture, Code Review, Code Refactoring, Software Testing I'm ready to bring deep technical expertise and cross-domain experience to a U.S-based team where I can contribute immediately and at scale.