・Developed a medical imaging application that allows radiologists to view slice images of DICOM and NIfTI files and perform brush segmentation, using React and Nx.

・Contributed to the open-source project Cornerstone.js, fixing several issues.

・Developed and maintained an AI No-Code Web App (Node-AI) in an agile environment, utilizing Typescript / Vue.js for the frontend, Python / Django and C# / ASP .Net Core for the backend.

・Implemented real-time collaborative features by integrating WebSockets into both the backend and frontend.

・Led a team of 6 developers in replacing over 65k lines of legacy code written in Vue.js with React / Next.js within 1.5 years, resulting in 2x development efficiency.

・Upgraded chart components from D3 to ECharts, enabling plots of over 100x the previous data volume.

・Replaced E2E test code written in Robot Framework with Playwright to enhance testing capabilities.

・Developed an inference application utilizing FastAPI, TensorFlow, and Docker to run on edge devices.

・Managed a SAML Identity Provider Service on Microsoft Azure, serving over 300,000 users.

・Led a team of engineers and sales staff in delivering additional features, overseeing the entire process from requirements definition to negotiation with a development vendor.

・Migrated various SaaS (DNS, Mail) and Cisco equipment (Firewall, Load Balancer) with Ansible and Shell Scripts.

・Released a biometric authentication service utilizing FIDO2, in collaboration with a software development company in South Korea.