efface

AI · Web · App Studio

Erase the complexity.Keep the effect.

An engineering team working across AI, web, and apps. We go deep on the tech and ship products that hold up.

//  EFFACE

ef·face /ɪˈfeɪs/ — verb · 1. to rub out or erase (writing, marks) · 2. to blur or wipe away (memories, impressions) · 3. efface oneself — to keep oneself in the background

We erase instead of adding. We erase the clutter, erase the friction, and keep only what matters. The less that remains, the clearer it gets — the efface way.

INNOVATIVE
SERVICES
Workplace, organized
HiNest
Moments, connected
Muru
Life in photos
QTO
Leave made easy
GOMS
//  CAPABILITIES

What we handle, and how deep we go.

No surface-level passes — this is the scope we actually own in every area.

01

AI Engineering

LLM features designed, built, and shipped
Agents, tool calling, automation pipelines
RAG and vector search that hold up in production
Prompt design with measurable quality evals
ClaudeOpenAIVercel AI SDKpgvector
02

Web Engineering

Full-stack on the Next.js App Router
Server components, streaming, caching strategy
i18n, SEO, and accessibility as defaults
Core Web Vitals tuned, not just measured
Next.jsReactTypeScriptTailwind CSS
03

Apps & Interaction

Web apps, dashboards, admin tools
Mobile apps and PWAs
WebGL, 3D, and motion interaction
Design systems that scale with the product
React NativeSwiftKotlinThree.jsMotion
04

Infra & Data

Deployment, CI/CD, and monitoring
Database design and migrations
Auth and payments, integrated end to end
Performance and cost tuning
VercelAWSSupabasePostgreSQLCloudflare

// approach

Less, but exact.

efface means to erase. We solve problems by taking away, not piling on.

  • 01

    Design to the essence

    Clarity over decoration. We strip a product back until only what matters is left.

  • 02

    Only proven tech

    Tools that last, not trends. Code that anyone can pick up and keep running.

  • 03

    Finished, not just shipped

    Deploying isn't the finish line — working well in the real world is.

  • 04

    Fast calls, exact timelines

    Planning, design, and engineering as one flow — less overhead, dates we keep.

Next.jsReactTypeScriptTailwind CSSAnthropicOpenAIVercelSupabasePostgreSQLReact NativeFramer MotionCloudflareNext.jsReactTypeScriptTailwind CSSAnthropicOpenAIVercelSupabasePostgreSQLReact NativeFramer MotionCloudflare

// about

Small team, deep work.

efface is an engineering team building AI, web, and app products. Planning, design, development, deployment, operations — we handle it end to end, ourselves.

We chose depth over headcount. New tech doesn't stop at a demo here; it goes into real products and gets proven there. The backdrop on this page isn't a video — it's a 3D scene rendering live in your browser.

A good product is one that keeps working. We take solid structure over flashy features, and getting it right over getting it out.

Founder
Seojiwan Suh
Focus
AI · Web · Apps
Contact
contact@efface.dev

// contact

Ready to build something?

A new product, a rough idea, or a partnership — whatever it is, send it our way.

contact@efface.dev