Geonsang Jo

Frontend Engineer

A web front-end developer with a strong interest in business.
Passionate about developer productivity and proposing ideas to the team.

Exprience

  • WantedLab.

    2022.02 ~

    Frontend Engineer

    Managed the Wanted/Wanted-Insight project, focusing on SEO setup and performance enhancement.

    Wanted Insight

    2022.02 ~

    At Wanted insight, I was involved in designing and managing a service that provided essential job-seeking information such as average company salaries, revenue, and employee count.

    Wanted

    2023.11 ~

    At Wanted, a recruitment platform, I was instrumental in overhauling the company detail pages for businesses posting job listings, along with enhancing SEO and community development.

    • Redesigned and enriched company detail pages to comprehensively present information about the businesses.
    • Improved Search Engine Optimization (SEO).
    • Upgraded product legacy systems and enhanced user experience through targeted task forces.

    Wanted Tech

    2022.02 ~

    At Wanted Tech, as a front-end developer at WantedLab, I contributed to the overall improvement of the product and participated in various task forces

    • Participated as a front-end developer in the 'Lottery' task force aimed at increasing active user numbers.
    • Engaged in the task force for removing the Next Custom Server (Express).
    • Shared and presented the transition process to an SSR environment, leveraging my experience from Wanted Insight.
    • Shared and presented the SEO improvement process experienced at Wanted Insight.

  • MarketDesigners.

    2020.07 ~ 2021.09

    Frontend Engineer

    MarketDesigners is a company that operates an English education platform and a moving service B2C platform.

    Wematch UI Kit

    2021.03 ~ 2021.08

    The Wematch UI KIT project was focused on creating and managing easily usable and shareable UI components for the Wematch project.

    • Set up Storybook and introduced NPM libraries.
    • Collaborated with designers to select and implement UI elements.

    Wematch

    2020.07 ~ 2021.09

    In the Wematch project, a moving service B2C platform, my role involved enhancing and maintaining the product

    • Led the transition from an ASP project to a React project.
    • Drove the adoption of TypeScript within the team.
    • Proposed team conventions and spearheaded the front-end community.

  • LinkShops.

    2019.06 ~ 2020.07

    Frontend Engineer

    Linkshops is a B2B service connecting wholesalers and individual business owners in the clothing and accessories industry.
    The service was operated with the aim of transitioning the traditionally offline business into an online platform that is clear and trustworthy.

    Development of Linkshops Mobile Web Page

    2019.06 ~ 2020.07

    I was responsible for setting up and developing the mobile web version of the service, originally available only on iOS and Android, to make it more maintenance-friendly and faster to develop.

    • Led the project setup and development.
    • Implemented image resizing and an AWS S3-based image upload feature.

    Development of Linkshops Event Page Tool

    2019.06 ~ 2020.07

    developed a tool for the operational team that allows designers and operators to create and manage event pages, which were previously handled directly by developers.

    • Plating.

      2018.02 ~ 2019.05

      Frontend Engineer

      Plating operated under the slogan 'Chef's food at your home,' as a B2C service. I participated in the transition process from a B2C to a B2B service model.

      B2C to B2B Business Pivot

      2018.06 ~ 2019.05

      Developed the main service used in pivoting from a B2C to a B2B business model.

      • Designed and developed the main service.
      • Developed a payment feature utilizing the payment system.
      • Developed the admin panel.

    Skills

    HTML/CSS

    • Adhere to HTML Semantic Markup.
    • Write code to aid SEO, including favicon, OpenGraph, and JSON-LD.
    • Extensive experience in SEO improvement with proven track record in metrics enhancement.

    Typescript

    • Significant experience with projects using Typescript.
    • Strive for type-safe development practices.

    SPA Framework

    • Skilled in creating collaboration-friendly folder structures, and enjoy proposing ideas aligned with team direction.
    • Proficient in common frameworks like React and Vue, understanding component life cycles.
    • Competent in using React Hooks and React Context appropriately.
    • High proficiency in SSR environments like Next, with diverse project experience.
    • Skilled in using state management effectively without excessive use. My main tools for state management are Redux and Zustand, with a particular focus on Zustand.

    Tech

    • Actively engage in team-level problem-solving, frequently making proposals and presentations.
    • Committed to contemplating and enhancing team coding conventions to improve development productivity.
    • Proficient in Git, understanding and implementing various Git branching strategies.