Jiwoon Won

Experience

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  LIVLE

  May 2017 - Feb 2018

  Co-founder, Lead Software Engineer

  - Raised $25K in govt funding by co-founding a time commerce service for small concerts.- Delivered products every 3-months for finding a market fit using React Native.

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  SW Maestro

  Jun 2018 - Dec 2018

  9th Trainee

  - Selected as one of 100 finalists for a prestigious 6-month developer training program.- Built a service to convert conversation into medical records using STT and LSTM models.

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  Ministry of National Defense, Republic of Korea

  May 2019 - Dec 2020

  Lead Software Engineer

  - Built a web application for analyzing security incidents with interactive VSCode-like interfaces, using React, TypeScript, NestJS, Docker Compose, Postgres, and Redis.- Deployed the product on military networks using bare-metal infrastructure.- Led sprints to ensure timely project delivery and mentored junior engineers.

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  주식회사 플링크

  Jan 2021 - May 2022

  - Led sprints as a Scrum Master, transforming a basic dashboard into a fully functional SaaS platform in 3 months, securing a contract worth $16.5K per month.- Architected and developed key platform features such as authentication middleware and a design system, utilizing TypeScript, React, Rollup, MongoDB, and AWS Lambda. - Increased client base 4x by delivering custom components on time, built with TypeScript, React, and RxJS.- Developed an in-house global state management system capable of handling complex asynchronous flows, optimized for performance and maintainability, using RxJS.- Reduced bug reports by 75% through the introduction of a structured QA process.

  • Scrum Master, Software Engineer

    Oct 2021 - May 2022

  • Software Engineer

    Jan 2021 - Oct 2021
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  Twelve Labs

  May 2022 - now

  Software Engineer

  - Spearheaded the development of the Playground from scratch using Next.js and React Query, resulting in 28K+ signed users. Maintained ownership of the project for over 2+ years.- Designed and implemented core features of the Playground like bulk video uploads, optimized data synchronization for indexing status, API key obfuscation, and more.- Introduced scalable development practices like monorepos, atomic architecture, design systems, and CI/CD pipelines to improve team efficiency and long-term sustainability.- Contributed to enterprise projects, including collaborations with high-profile customers.- Expanded the frontend team from 1 to 4 members by setting up solid hiring criteria aligned with company goals.- Proactively identified product improvements and delivered such as combined search queries and feature examples by leveraging a deep understanding of client-server interactions and inference systems.- Supported the GTM team in resolving technical challenges faced by small business clients in the early stages. Show less