INITIALIZING…
4DEV

4Dev · Manila · PH

Creating modern web products
for startups & growing brands.

4Dev is a web development studio focused on custom websites, web apps, and brand-ready digital experiences. We build with intention, strong UX, and code that scales beyond launch.

Status Open for collaborations
Focus Web systems, Booking systems, E-commers, Landing Pages, Brand Website
Approach Hand-coded, no page builders
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We build things end-to-end,
knowing every layer.

4Dev started as a startup studio built around one idea: help ambitious teams launch digital products with speed, clarity, and craftsmanship. We don't ship templates — we deliver polished, scalable web experiences backed by modern development practices.

Today we partner with founders, event organizers, and local businesses to create landing pages, platforms, and systems that feel intentional at every interaction. From branded web presence to application workflows, we move fast without sacrificing quality.

0 Projects shipped
PH Based in Philippines

Recent builds

A mix of client-style sites and self-directed systems — each one built and shipped solo, front to back.

03
Online Learning Marketplace

Skillvine

Full-stack marketplace connecting students with teachers. Accounts, bookings, transactions, and real-time notifications.

Visit site →
Live
04
Web-Based IDE

C-Note

A web-based IDE for a custom DSL (domain-specific language) that lets you write structured, multi-page notebooks (pages/sections/notes) and export them as formatted PDF or Markdown. Has a live compile pipeline with an explainability panel (lexer → parser → semantic analysis steps). Frontend: Next.js 16, TypeScript, Tailwind v4, CodeMirror editor Backend: Python + FastAPI (custom compiler: lexer/parser/semantics/renderer)

Visit site →
Live
05
E-Commerce Platform

Ursoleph

Premium footwear e-commerce for the Philippine market. Product browsing, cart, secure orders, inventory, and admin CRUD.

Visit site →
Live
06
AI Detection Platform

Voxear

Deepfake video detection with multi-layered verification: metadata, AI, physics. Explainable verdicts with SHAP, Grad-CAM, DCT heatmaps, and temporal attention.

Visit site →
Live
07
AI Voice Assistant

J.A.R.V.I.S. Voice Assistant

Real-time AI assistant inspired by Iron Man. Live voice pipelines, speech processing, and conversational experience.

Contact me →
Pending

What we build with

The tools we reach for most, grouped by where they earn their place.

Frontend

  • React
  • Vite
  • TypeScript
  • JavaScript
  • HTML / CSS

Backend

  • Node.js
  • Express
  • Python
  • Django
  • PHP

Auth & Data

  • Supabase Auth
  • Magic Links
  • hCaptcha
  • MySQL / PostgreSQL
  • SQLite · Redis

Tooling

  • Git
  • VS Code
  • Render
  • Neon
  • GitHub Pages

How a project runs

Every build follows the same three moves, whether it's a five-page site or a voice pipeline.

01

Scope

Understand the real problem

What the site or system needs to do, who it's for, and what "done" actually looks like — before any code gets written.

02

Build

Hand-code every layer

Semantic markup, clean architecture, and only the dependencies that earn their place. No bloat carried in by a template.

03

Verify

Test it like a user would

Cross-device checks, real requests against the API, and a final pass for speed, SEO, and edge cases before it ships.

Have a site or a system
you want built right?

Tell me what you're trying to build. If it's a good fit, I'll reply with next steps within a day or two.

Email chayilelborno@outlook.com
Phone +63 951 285 2125