ABOUT

Less about showing technology,
more about building what gets used.

GONGJAK is a software studio that connects AI Agents, AEO, data platforms, and business systems across product strategy, UI/UX, full-stack engineering, databases, and production operations.

Legal name: GONGJAK Co., Ltd. ((주)개발공작실)
Incorporated: 2025-10-20
CEO: Dongju Jeong (정동주)
Team: Strategy · Design · Full-stack engineering
Location: 424 Yangcheon-ro, Gangseo-gu, Seoul
Official channel: GitHub / Dev-Dukeroom ↗

Three attitudes
that shape our work.

We measure success by useful outcomes, not impressive technology alone, and we take responsibility from strategy through operation as one team.

Listen first

Before collecting requirements, we understand the business context and the real problem.

Explain clearly

We share direction in language stakeholders can follow, not only technical jargon.

See it through

We care about completion beyond screens and features, through to operation.

From strategy to operation,
built as one team.

Roles differ, but responsibility for the outcome is shared. We design screens, systems, and operation together.

Dongju Jeong

CEO

Eunhye Kim

Development Team · Team Leader

Hyejin Lee

Design Team · Designer

Taewoo Yoon

Full-stack Developer

Yurim Yoon