Summary
Overview
Work history
Education
Skills
Languages
Timeline
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Juhyang Lee

Juhyang Lee

London,Newham

Summary

I’m a Software Engineer with 7 years of experience in both backend and frontend development. I spent 4 years as a backend engineer using .NET frameworks, followed by 3 years focusing on frontend development with JavaScript, TypeScript, and React.

Originally from Korea, I lived in Japan for 7 years before relocating to the UK. I'm known for strong cross-cultural communication skills and adaptability, cultivated through extensive professional experience in Japan.

Overview

8
8
years of professional experience
5
5
years of post-secondary education

Work history

Full-stack Engineer

Book-off Corporation
Tokyo
03.2021 - Current
  • In-house development for web applications.
  • Developed the frontend of the Product Information Management Master System using JavaScript and TypeScript, and deployed it with AWS Amplify. Developed key pages, such as the product list, detail, and category pages.
  • Recently started developing APIs for the Product Information Management Master System using Python. Primarily developed APIs for retrieving, inserting, and updating data from a PostgreSQL.
  • Also designed the Product Image Management System, a component of the Product Information Management Master System, using AWS services such as S3, Lambda triggers, and DynamoDB. This system received positive feedback from users (the product department). According to their feedback, operational errors were significantly reduced and work efficiency improved by 140%.

Back-end Engineer

F
Tokyo
08.2023 - 12.2024
  • Outsourced development for web applications as a side job.
  • Redesigned and rebuilt the existing system for employee benefits services.
  • Analysis of a system developed with ColdFusion and redesigning it into Java RESTful APIs. Also develop and test Java APIs.
  • Responsible for Oracle DB redesign during system migration to Java, including table rebuilding and schema optimization.
  • Train and educate university student part-time workers about coding and testing.

Back-end Engineer

Nuvo Cyber Business
Tokyo
11.2017 - 02.2021
  • Outsourced development for web applications.
  • Develop an ASP.NET web application for auditing and monitoring insurance agencies in C#.
  • Handled the full development cycle including design documentation, development, and testing. Acted as a sub-lead and mentored junior engineers for two years.
  • Assistant for hiring new graduates in Korea. And teach Japanese to newly hired Korean employees.

Education

Bachelor of Science - Food and Nutrition

Dong-Duk Women’s University
Seoul, Republic of Korea
03.2011 - 02.2016

Skills

  • Java
  • C#
  • JavaScript
  • TypeScript
  • React
  • nodejs
  • Oracle
  • PostgreSQL
  • AWS (S3, Amplify, DynamoDB, Lambda)
  • GitHub, GitLab

Languages

English
Upper intermediate (B2)
Korean
Proficient (C2)
Japanese
Proficient (C2)

Timeline

Back-end Engineer

F
08.2023 - 12.2024

Full-stack Engineer

Book-off Corporation
03.2021 - Current

Back-end Engineer

Nuvo Cyber Business
11.2017 - 02.2021

Bachelor of Science - Food and Nutrition

Dong-Duk Women’s University
03.2011 - 02.2016
Juhyang Lee