Diploma in Computer Programming
ITD Canada, Vancouver, BC
Jun 2023
MUTLU (Myeonghwan) Yun
Full-Stack Software Engineer · Shopify Developer
Last updated 3 November 2026. This page is the printable copy.
Professional summary
Full-Stack Software Engineer and Shopify Developer with over 4 years of experience in business application development, secure data pipelines, and custom e-commerce solutions. Proven expertise in the outdoor equipment industry, specializing in custom Shopify apps, theme customizations, and checkout extensibility. Adept at building seamless online shopping experiences and optimizing internal operations through serverless architectures, automated CI/CD pipelines, and proactive problem-solving.
Technical skills
Core languages & frameworks
TypeScript, JavaScript (ES6+), Python, SQL, WebAssembly (Wasm), React.js, Next.js, Node.js, Express.js
E-commerce & API
Shopify Liquid, Metaobjects, Shopify Functions, Cart Transform API, RESTful API, GraphQL
Cloud & DevOps
AWS, Cloudflare (Workers, KV, Zero Trust), Google Cloud Platform, Docker, CI/CD, GitHub Actions, Agile/Scrum
Work experience
Full-Stack Software Engineer
Bigtent Outdoor Equipment Ltd.
Vancouver, BC · Sep 2023 – Present
- Architected a zero-database, multi-store fulfillment dashboard utilizing Cloudflare Workers, KV, and Zero Trust Access to aggregate live Shopify GraphQL data across 3 storefronts. Bypassed 1,000-point API rate limits via paginated batching and implemented complex chronological allocation algorithms, completely automating daily fulfillment reports.
- Engineered a serverless Delivery Customization app using Shopify Functions and WebAssembly to intercept and recalculate checkout data in real-time, successfully preventing margin leaks from incorrect shipping applications.
- Architected a globally distributed order tracking portal using Cloudflare Workers and KV to handle high-traffic spikes and protect Personally Identifiable Information (PII).
- Overhauled the pre-order frontend utilizing native Liquid, Metaobjects, and the Cart Transform API to clearly communicate cross-border shipping and dynamic inventory to customers.
- Designed and transitioned the team to a GitHub-based CI/CD pipeline with automated testing to ensure safe, zero-downtime deployments and prevent accidental live theme overwrites.
Software Engineer Intern
CEC Mining Systems
Vancouver, BC · May 2023 – Jul 2023
- Developed backend API endpoints using Python to extract valid boundaries from complex PDF structures via an ONNX machine learning model, optimizing efficiency with OpenCV.
Education
Full-Stack Web Development Bootcamp
Lighthouse Labs, Vancouver, BC
Jun 2022