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Hi, I’m Jinkyung (Zen) Choi, a full-stack software engineer based in Burnaby, BC, Canada. I have 4+ years of experience building data-driven SaaS products and cloud-native web apps using React, Vue, TypeScript, and Node.js. I enjoy turning complex data into intuitive interfaces, designing secure APIs with RBAC and multi-tenant architectures, and collaborating across frontend, backend, and DevOps teams to deliver reliable software.…Hi, I’m Jinkyung (Zen) Choi, a full-stack software engineer based in Burnaby, BC, Canada. I have 4+ years of experience building data-driven SaaS products and cloud-native web apps using React, Vue, TypeScript, and Node.js. I enjoy turning complex data into intuitive interfaces, designing secure APIs with RBAC and multi-tenant architectures, and collaborating across frontend, backend, and DevOps teams to deliver reliable software.

Jinkyung (Zen) Choi

Front-End Developer, Back-End Developer, Full Stack Developer, +2

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Hi, I’m Jinkyung (Zen) Choi, a full-stack software engineer based in Burnaby, BC, Canada. I have 4+ years of experience building data-driven SaaS products and cloud-native web apps using React, Vue, TypeScript, and Node.js. I enjoy turning complex data into intuitive interfaces, designing secure APIs with RBAC and multi-tenant architectures, and collaborating across frontend, backend, and DevOps teams to deliver reliable software.…Hi, I’m Jinkyung (Zen) Choi, a full-stack software engineer based in Burnaby, BC, Canada. I have 4+ years of experience building data-driven SaaS products and cloud-native web apps using React, Vue, TypeScript, and Node.js. I enjoy turning complex data into intuitive interfaces, designing secure APIs with RBAC and multi-tenant architectures, and collaborating across frontend, backend, and DevOps teams to deliver reliable software.

Available to hire

Hi, I’m Jinkyung (Zen) Choi, a full-stack software engineer based in Burnaby, BC, Canada. I have 4+ years of experience building data-driven SaaS products and cloud-native web apps using React, Vue, TypeScript, and Node.js.

I enjoy turning complex data into intuitive interfaces, designing secure APIs with RBAC and multi-tenant architectures, and collaborating across frontend, backend, and DevOps teams to deliver reliable software.

Skills

Experience Level

Expert

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Work Experience

Frontend Developer at SureDataLab

September 1, 2024 - September 1, 2025

Developed data-intensive web interfaces using React, Vue, and TypeScript, enabling researchers to explore and analyze large-scale scientific datasets (up to 2GB, 10K+ records) via interactive visualizations. Built interactive charts, maps, and relational graphs using Chart.js, Google Maps API, and flow-based visualization libraries to support complex data analysis workflows. Optimized UI performance through state refactoring, memoization, lazy loading, and diff-based rendering, improving rendering performance by ~15% and reducing average page load time by 30%.

Full-Stack Lead Developer at MedicalStandard

January 1, 2024 - July 1, 2024

Led the SaaS migration of an on-prem DICOM Web Viewer to a cloud-based architecture with localization and timezone standardization, enabling deployment for 120+ hospital customers. Mentored and coached 3 junior engineers toward full-time roles through code reviews and pair programming. Implemented containerized backend services on AWS with Docker, configured Nginx, and deployed on EC2 behind an ELB, establishing a reproducible cloud runtime. Added Jest and Cypress tests for UI regression, reducing production issues during releases.

Full-Stack Developer at MedicalStandard

January 1, 2021 - December 1, 2023

Developed a DICOM Web Viewer used by radiologists and clinicians for real-time medical image analysis, leveraging Vue.js and Next.js to deliver scalable rendering of large medical imaging datasets. Implemented JWT authentication and RBAC-based centralized permission management, integrating MySQL, MSSQL, and Oracle databases; eliminated need for separate servers per database. Designed multi-tenant backend architecture and onboarding workflows, reducing hospital onboarding time by 50%.

Internship Frontend Developer at INFINITT HEALTHCARE

September 1, 2020 - December 1, 2020

Implemented advanced data visualization and 3D rendering components to display medical and scientific datasets using mathematical transforms and spatial alignment logic. Built custom visualization overlays and parsers to accurately represent complex structured data, enhancing usability and analytical clarity for end users.