Full-stack Developer

Karl Cyrus Celda

building things that matter.

I'm a developer based in the Philippines with over 2 years of experience crafting web applications. I care about clean code, thoughtful interfaces, and shipping things that work.

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About.

I started my degree learning the fundamentals — studying Java, algorithms, and UI design. What began as academic curiosity quickly became a craft I couldn't put down.

Soon after, I discovered Unity and Augmented Reality, and everything clicked. The spatial computing, the physical-digital bridge, the Lightship SDK — it felt like the right way to build for the future.

By 2025 I was building NAvSU, an AR-based campus navigation system. Today I work actively with Spring Boot and continue shipping products that solve real problems.

Experience3+ years

FocusSpringBoot | AI | Computer Vision

LocationPhilippines

ApproachFull-stack

Selected work.

AI & Data Engineering | Project

PaperBrain: AI-Powered Document Q&A

A full-stack Retrieval-Augmented Generation (RAG) application. Engineered a robust data pipeline to parse documents, generate 768-dimensional vector embeddings, and orchestrate streaming AI responses via Gemini API with accurate source citations.

Next.jsSupabase pgvectorGemini AIRAG Pipeline

Augmented Reality - Application

NAvSU

An innovative AR-based navigation system offering seamless, real-time wayfinding for the Cavite State University - CCAT campus. Built with precise spatial positioning and efficient pathfinding algorithms.

Next.jsLightship WPSUnityRailway3D Visualization

Client - Based Internship

QR-Based Teacher Attendance and Schedule Management System

A comprehensive QR-based attendance and scheduling platform designed to streamline teacher tracking. Built with ReactJS and Supabase to ensure secure, timestamped check-ins, prevent duplicate entries, and generate automated administrative schedules.

Next.jsSupabaseTypeScript

QR-Based Teacher Attendance and Schedule Management System

Client - Based Internship | Collaborator

MediTrack

A comprehensive clinic inventory and management system offering secure patient monitoring and consultation tracking. Built with a robust Express and Supabase backend to deliver automated audit logs, detailed medical records, and data-driven reporting.

Node.jsSupabaseTypeScript

See more projects

Graphics.

Edited videos, graphic designs, photo edits, and other visual work I've created.

View graphics

Stack.

Frontend

React

Next.js

Unity

TypeScript

JavaScript

Tailwind CSS

Backend

Node.js

Express.js

Auth.js

Spring Boot

Data

PostgreSQL

MySQL

Supabase

Firebase

Cloud & Deployment

AWS

Vercel

Railway

Render

Geospatial & AR

QGIS

OpenStreetMap

GeoJSON

Lightship VPS

Augmented Reality

Tools

Git

GitHub

Figma

pnpm

Docker

Postman

Say hello.

celda.karl.cyrus110@gmail.com