Hyewon

Full Stack Developer

May 2025 - Present • 1 yr 3 mos

Parki Interiors • Fixed critical backend issues including recursive request loops and token handling errors, stabilizing 200+ daily API requests and improving response reliability under load • Rebuilt the Instagram feed integration using Facebook OAuth and long-lived token management, restoring API stability and reducing response latency below 800 ms • Improved backend structure by refactoring server logic and aligning API responses with frontend workflows in a TypeScript-based web application • Worked closely with designers and stakeholders to align backend constraints with product requirements

Fullstack Developer

Oct 2019 - Present • 6 yrs 10 mos

Faubert Lab • Developed features based on academic research, enhancing accuracy and usability for research participants • Partnered in sprints to refine requirements, reducing rework and aligning deliverables with research goals

Fullstack Developer

Sep 2024 - Feb 2025 • 5 mos

WIMTACH • Designed and built full-stack application features using FastAPI, React, and OpenAI APIs to automate document review workflows, reducing manual review time by 80% • Built React and Next.js interfaces for document review, evaluation workflows, and results visualization • Built REST APIs and integrated frontend workflows through React and Next.js applications, implementing validation, schema design, and structured database interactions • Participated in Agile sprints and testing cycles, contributing to stable releases and clear cross-team communication