Hyunjin Lee

Fullstack Software Developer

Hyunjin Lee

Website:

hyunjinlee.dev

Address:

Toronto, Canada

Skills

Languages

  • JavaScript/TypeScript
  • HTML/CSS
  • Python
  • Java
  • C++
  • PostgreSQL

Frameworks

  • React
  • Node.js
  • Ruby on Rails

Testing

  • Cypress
  • Jest
  • RSpec

Other

  • Agile Methodologies
  • RESTful APIs
  • UI/UX Design

Experience

Software Developer

ClearCalcs  |  Toronto, ON (Remote)

May 2021 – July 2023

  • Improved engineering calculator builder UI, reducing internal development time from months to weeks.
  • Built a web-based document subscription service from the ground up, improving access to building standards for civil engineers while driving down costs.
  • Redesigned marketing pages, elevating ClearCalcs to rank #1 on Google for key queries.
  • Built automated end-to-end testing suite, saving approximately one developer day per week.

Frontend Software Engineer

Verkada  |  San Mateo, California

May 2020 – August 2020

  • Developed a licensing tracking system enabling accurate customer billing.
  • Designed user portals to improve transparency around subscription credits.

Frontend Software Engineer (Internship)

Verkada  |  San Mateo, California

September 2019 – December 2019

  • Built web interfaces for secure video sharing.
  • Enhanced security features allowing dynamic user permissions on video links.

Full Stack Developer (Internship)

Maisha Meds  |  Kisumu, Kenya

September 2018 – April 2019

  • Created internal web tools for pharmaceutical promotions.
  • Built and managed REST API endpoints for mobile developer team.
  • Integrated Bluetooth printing functionality into the Android app.

C++/Unix Software Developer (Internship)

DFnet  |  Hamilton, ON

January 2017 – April 2017 & September 2017 – December 2017

  • Automated reporting, achieving savings of 1.5 FTE.
  • Modernized pharmaceutical research data applications with advanced data visualizations.

Independent

Career Sabbatical  |  France and International

August 2023 – Present

  • Gained hands-on experience in small business operations by supporting the management of a family-run enterprise.
  • Supported wine production processes at artisanal wineries in France, developing teamwork, communication, and intercultural skills.
  • Cultivated adaptability and a global mindset through immersive language study, cultural exchange, and independent international travel.