FRONTEND ENGINEER · DAEGU, KOREA

Hello. I'm Park Sangmin, a frontend engineer.

I build products that are easy for people to understand and practical for teams to maintain.

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SELECTED WORK

I turn complex problemsinto operable products.

Four selected projects, organized around the problem, the decisions I made, and the outcome.

01 Notiiv Company · Production

Operating four product apps and shared packages as one monorepo

4 Frontend Apps
One product monorepo
13 packages
Shared API, Query, Schema, and UI foundation
90%+ Test Coverage
Shared package stability
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Notv

The moment your meeting ends,
your smart business begins
Notv

Get it on Google PlayDownload on the App Store
9:30
Recording
Meeting with Seongtae Kim2026.05.12Bigtablet HQ · Meeting Room 9F
00:38
Memo mode
02 Bigtablet Design System Company · Open Source · NPM

From a component set to an interface platform for assembling and validating products

40+
Public components
11
Token domains
68
Story files
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03 Bigtablet Intranet Company · Flutter App · Production

Connecting collaborative work and state inside one Flutter app

Flutter
iOS and Android app
BLoC + SQLite
State and offline cache
SSE + FCM
Real-time and push
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04 Boundra Open Source · Developer Tool

Checking TypeScript monorepo domain boundaries with a Rust CLI

5 rules
BR-001 through BR-005
10K files
Large fixture benchmark
164.20 ms
Measured analysis time
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MORE WORK

More work

Award-winning projects, community tools, technical writing, and interaction experiments in one place.

  1. 01 OWKR BalanceCommunity · Live Operations 2026
  2. 02 Jeomjuropnpm Monorepo 2026
  3. 03 Marker12th Highthon Grand Prize 2026
  4. 04 rust-with-typescriptLive 2026
  5. 05 KivraDeveloper Tool · Prototype 2026
  6. 06 Bigtablet Homepage RenewalCompany 2025-2026
  7. 07 Echo제11회 하이톤 우수상 2025
  8. 08 ChorusCreative Tool 2024

ABOUT

I understand the user flowand build structures teams can maintain.

I do not stop at implementation. I find where users get stuck and where teams repeat the same work, then solve both with clearer interfaces and maintainable code.

01

Flow

I start with the moment a user gets stuck.

02

Structure

I solve repeated work with shared systems.

03

Validation

I confirm outcomes through tests and records.

PARK SANGMIN FRONTEND ENGINEER DAEGU, KOREA

CONTACT

Have a productyou want to build together?

I am open to building new products and improving existing frontend systems and user experiences.

EMAIL GITHUB VELOG LINKEDIN