FWC / 2026

Candelaria, Quezon / Available for select work

FRANZE WILLIAM CALLEJA

Software Engineer

Full-stack software engineer specializing in scalable systems, cloud infrastructure, and end-to-end product architecture — across enterprise platforms, consumer products, and cross-platform mobile. Leading engineering at both institutional scale and startup pace, with a strong focus on reliability, clean system design, and developer velocity.

<build />
arch: fullstack
infra: cloud
status: online
deploy: ready
Franze William Calleja
macOS · M5

Experience

Professional Timeline

Current Roles

Previous Roles

  1. Developed the web administration and operational dashboard for a ride-hailing transportation platform.

    • Engineered the responsive administrative web dashboard using Next.js, TypeScript, and modern frontend paradigms.
    • Implemented granular Role-Based Access Control (RBAC) utilizing CASL for secure permission management across distinct user tiers.
    • Integrated real-time APIs for live dispatch management, operational monitoring, and fleet administration.
    Next.jsTypeScriptCASLRBACTailwind CSSREST APIs
  2. Contributed to the design and development of modern web applications using contemporary frontend technologies.

    • Collaborated with cross-functional engineering teams to implement responsive, pixel-perfect user interfaces.
    • Integrated RESTful APIs and assisted with backend service communication and state synchronization.
    • Participated in agile sprints, peer code reviews, and automated testing to maintain robust code standards.
    ReactTypeScriptJavaScriptHTML/CSSGitREST APIs

Recent Projects

Featured Projects

More

Education

Academic Background

Magna Cum LaudeClass Salutatorian
2021 – 2025

Bachelor of Science in Computer Science

Manuel S. Enverga University Foundation - Candelaria Inc.

Graduated as Class Salutatorian and Magna Cum Laude with a rigorous foundation in software architecture, algorithm design, distributed computing, and full-stack enterprise systems.

Academic Focus & Core Competencies

  • Software Architecture & Design
  • Algorithms & Complexity
  • Distributed Systems
  • Database Engineering
  • Enterprise Application Systems

Tech Stack

Technical Arsenal

Full Stack
01 / ARSENAL

Frontend & Interfaces

Component design systems, responsive web, and cross-platform mobile

  • TypeScript
  • React
  • Next.js
  • shadcn/ui
  • TanStack Query
  • React Native
  • Expo
  • Tailwind CSS
  • Vitest
  • Zustand

10 core technologies

02 / ARSENAL

Backend & Systems

High-throughput services, API architecture, and database engineering

  • Node.js
  • Express.js
  • Python
  • Flask
  • Prisma ORM
  • PostgreSQL
  • MySQL
  • PHP
  • Rust (Axum)
  • RESTful APIs

10 core technologies

03 / ARSENAL

DevOps & Observability

Containerization, telemetry metrics, log aggregation, and uptime alerts

  • Docker
  • Grafana
  • Prometheus
  • Loki
  • Alloy
  • Uptime Kuma
  • Node Exporter
  • Dozzle
  • CI/CD Pipelines

9 core technologies

04 / ARSENAL

AI & Workflow Automation

Agentic harnesses, local LLMs, and automated workflow orchestration

  • Claude Code
  • Codex
  • Ollama
  • Hermes
  • n8n
  • Gemini API
  • Agentic Workflows
  • Model Orchestration
  • AWS / GCP
  • Hostinger Cloud

10 core technologies