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About

Gwansik

We build and run real software—products people use, systems that stay up, and features that ship.

What we are

This is an independently operated software business. It’s not a hobby page. It’s not a “maybe someday” project. It’s a registered business building, selling, and supporting software—plus taking on software work for other teams when it’s a good fit.

Operated independently, with occasional collaboration on content and feedback.

What we do

We build products

Emilia is a language-learning app running across phone, tablet, and PC (Mac). It’s built to be practical, fast, and continuously improved.

We build systems

The website isn’t just a brochure—it also acts as a backend hub for content import/export, translation workflows, and push notifications. App + web + server, working together as one system.

Capabilities

Here’s what we can reliably deliver—because these systems are already running in production. We focus on things we actively operate, maintain, and improve.

  • Cross-platform applications: iOS, Android, Web, and macOS apps built for consistent user experience and long-term operation.
  • Backend-connected products: We design and operate systems where content is managed on the server and continuously delivered to apps through integrated web and backend workflows.
  • Localization & translation workflows: fully integrated into the product pipeline, supporting multi-language content at scale.
  • Notifications: notifications triggered by app and server events (e.g., login, comments, user actions).
  • Long-term operation & maintenance: bug fixes, feature updates, store submissions, and continuous improvements over time.

How we like to work

We do best work with clear goals, honest timelines, and direct communication. If you want a flashy demo that can’t be maintained—this isn’t that. If you want software that runs reliably and keeps getting better—let’s talk.

Quick answers

Are you a company or an individual?

A registered business operated independently—building and operating software products, with selective client work.

Do you take client work?

Yes, selectively. If the scope is clear and the work can be maintained properly, we’re open to it.

Want to work together?

Send a short message with what you’re building, what’s working, what’s not, and what you need next.

Gwansik Yi (Developer)