AINext.jsFull Stack
AI Content Assistant
Production-ready content generation platform powered by GPT, with custom prompt templates, team workspaces, and usage analytics.
Next.jsTypeScriptOpenAI APIPostgreSQLTailwind
Building modern web products with Laravel, Next.js, and AI.
I'm Natanael Diaz, a Full Stack Developer with 3 years of experience helping founders and product owners build scalable web apps, dashboards, and AI-powered digital products.
3 years shipping production appsSemarang, Indonesia · Remote-friendly
About
Engineer who treats shipped software as the only proof that matters.
I'm a Full Stack Developer with 3 years experience in Web Development. Im starting freelance when I was on school helping people to do build their product with my specialization skill in Laravel, Next JS, and AI. I'm happy to have chit chat about your innovative product, let me know and I will help you to boost your product
Stack
Tools I reach for, picked for production
A focused stack that covers product, backend, data, and AI integration end to end.
Frontend
- Next.js
- React
- TypeScript
- Tailwind CSS
Backend
- Laravel
- PHP
- Node.js
Database & CMS
- PostgreSQL
- MySQL
- Strapi
AI & Integration
- OpenAI API
- REST API
- OAuth / JWT
- Webhooks
Selected work
Projects that paid the rent — and the people behind them.
A handful of recent builds. Click a card to see the case study.
LaravelFull Stack
ERP Management System
Internal ERP covering inventory, purchasing, HR, and finance modules for a mid-size manufacturer.
LaravelPHPMySQLLivewireAlpine.js
Next.jsFull Stack
Wellness Booking Platform
Booking SaaS for spas and wellness studios — scheduling, payments, and customer CRM in one product.
Next.jsTypeScriptPostgreSQLStripeStrapi
Next.jsFull Stack
SaaS Admin Dashboard
Operational admin panel for a B2B SaaS — feature flags, user impersonation, billing controls, and event timelines.
Next.jsTypeScriptTailwindtRPCPostgreSQL
Next.jsFull Stack
Company Profile CMS
Headless CMS-driven marketing site with editor-friendly content blocks, i18n, and one-click deploys.
Next.jsStrapiTailwindVercel
Experience
A short timeline, with the receipts.
From interning in an ERP team to running a freelance practice — every step was a chance to ship more reliably.
Freelance Full Stack Developer · Freelance
Jul 2024 — PresentHelp product owners build web products using Laravel, Next.js, and AI-focused solutions.
- Architected AI-assisted internal tools and customer-facing apps
- End-to-end ownership: discovery → design → ship → iterate
Intern Web Developer · Refourma Indonesia
Jul 2023 — Jul 2024Assisted senior developers in building ERP system modules, fixing bugs, creating UI components, and supporting backend development.
- Contributed to inventory & purchasing modules
- Built reusable UI components used across modules
- Wrote regression tests that reduced ticket reopens