Salesforce Marketing Cloud Developer at Maple Namu

Executed data-driven brand campaigns in SFMC using Journey Builder, Automation Studio, and AMPscript to drive engagement and conversions. Managed segmentation, testing, deployment, and reporting to lift engagement metrics. Improved SFMC integration through workflow automation and API synchronization. Partnered with enterprise clients to create personalized omnichannel journeys (email, push, in-app) aligned with lifecycle stages. Optimized deliverability and HTML/CSS QA using Litmus. Built mobile-responsive apps with React, Next.js, and Flutter; implemented OAuth/REST APIs and strengthened backend services with Node.js/Express and Zod validation. Designed an in-house survey platform to reduce third-party survey costs.

Hackathon Project Lead – Best Idea Award at Changbal Society's Innovation Hack

Led development of VibeVerse, a vibe-based recommendation system powered by LLM, RAG, and a conversational UI, focusing on AI-driven user experience and natural interaction design.

Network Researcher at Korea Information Security Technology

Performed security compliance tests on L3/L4 network devices to ensure alignment with national security protocols and cryptographic standards. Streamlined vendor communication by introducing ticketing workflows and standardized test templates, cutting certification timelines by 40%. Gained hands-on experience with network protocol analysis, system-level troubleshooting, and policy-driven testing workflows within a regulated security environment.

Cloud Engineering Intern at Zenith Cloud

Designed and simulated cloud infrastructure on Microsoft Azure by interpreting technical requirements and leveraging official documentation, provisioning virtual machines, configuring load balancers, and building fault-tolerant system architectures. Documented infrastructure decisions and operational workflows in clear technical manuals, and presented them internally to improve team understanding and technical alignment.