HL

Haram Lee

Available to hire

Hi, I’m Haram Lee, a full-stack developer with expertise in backend technologies and frontend frameworks. I’m proficient in CI/CD, Docker, and AWS, enabling independent MVP development.

About

Hi, I’m Haram Lee, a full-stack developer with expertise in backend technologies and frontend frameworks. I’m proficient in CI/CD, Docker, and AWS, enabling independent MVP development. I’ve contributed to startup MVPs and commercial service launches, and I’m skilled at understanding client and team needs to deliver effective solutions in Agile environments.

I enjoy turning ideas into robust, scalable software and collaborating with product and design teams to ship high-quality experiences. I’m always eager to learn new tools and practices to improve efficiency, reliability, and impact.

  • 1 year's experience
  • Joined March 2026

Languages

  • KoreanFluent
  • EnglishAdvanced

Industry experience

  • Software & Internet
  • Media & Entertainment
  • Education
  • Professional Services

More experts in Seoul, South Korea

Work experience· 5 roles

Full-Stack Developer · James Worldwide IncMar 2025 – Aug 2025 · 6 mos

Led end-to-end development of an AI tool for extracting key logistics data (B/Ls, invoices), cutting manual input time by ~70%. Built a modular LangChain + FastAPI pipeline with batch upload, fallback handling, and prompt-based field controls. Integrated Qdrant to enhance company name matching and reduce CRM duplication. Embedded extraction features into the internal portal, enabling operations teams to review and validate data faster, streamlining verification workflows.

Back-End Developer · PAWSOMEDAYSep 2024 – Dec 2024 · 4 mos

Developed a notification and scheduling app for dog daycare centers based on field research. Built RESTful APIs using Node.js and Express, integrated Firebase Auth for secure authentication, and AWS S3 for file storage. Implemented booking management, photo-sharing, and notification features to enhance communication between daycare centers and clients. Automated deployment and delivery using CI/CD pipelines with PM2 and GitHub Actions.

Front-End Developer · Mango DiaryJul 2024 – Aug 2024 · 2 mos

Developed the frontend of an AI-powered emotional diary service using ReactJS, Zustand, React Query, and MUI (emotion). Integrated AI-generated feedback to provide users with insights on emotional states and patterns. Participated in the Like Lion Hackathon with 1,600+ participants, hosted by Korea's largest developer community.

Full-Stack Developer · DeepscienceSep 2023 – Jan 2024 · 5 mos
Back-End Developer · CareerCupSep 2022 – Feb 2023 · 6 mos

Education

Bachelor of Science · Kookmin University2021 – 2025

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