Senior Full-Stack Developer

Carlo Flores

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Professional Summary

Senior full-stack developer and product engineer with 8+ years of experience designing, building, and shipping SaaS platforms, business systems, REST APIs, and AI-enabled applications. Strong background in Laravel, Vue.js, Nuxt.js, FastAPI, Supabase, Docker, MySQL, and PostgreSQL across education, healthcare, communications, finance, travel, logistics, and restaurant operations. Known for owning architecture, translating business requirements into production systems, improving performance, reducing infrastructure cost, and delivering software products that solve real operational problems.

Key Achievements

  • 8+ years of professional full-stack software development experience.
  • Built and launched 10+ production business systems and SaaS products.
  • Improved ButFor API performance by approximately 50% through backend modernization.
  • Reduced ButFor infrastructure costs by approximately 20% through database and cloud migration.
  • Built Diocese of Antipolo school platform features supporting over 7,000 students.
  • Built TxtFlow for Diocese of Antipolo to reduce SMS costs, sending roughly 14,000 messages per day.
  • Grew PulsePrep to a peak of 250+ active users.
  • Founded and shipped product platforms including PulsePrep (inactive), VetOps, TxtFlow, and KitchFlow.

Core Skills

  • SaaS Development
  • Backend Engineering
  • API Design
  • System Architecture
  • AI Integration
  • Offline-first Applications
  • Performance Optimization
  • Product Ownership
  • Laravel
  • Vue.js
  • FastAPI
  • Nuxt.js
  • Flutter
  • NestJS
  • Python
  • PHP
  • JavaScript
  • Supabase
  • Docker
  • Redis
  • PostgreSQL
  • MySQL
  • Vercel
  • OpenAI API
  • Git

Languages

PHP, JavaScript, Python

Frameworks

Laravel, Vue.js, Nuxt.js, FastAPI, Flutter, NestJS

Databases

MySQL, PostgreSQL, Redis, Supabase

Infrastructure

Docker, Vercel, Git, Production Deployments

Architecture and AI

REST APIs, System Design, Database Design, OpenAI API, Prompt Engineering

Featured Projects

PulsePrep (Inactive)

AI-powered nursing licensure review platform with adaptive exams, AI-generated questions, learner insights, and real-time progress tracking, peaking at 250+ active users.

Business Impact: Improved review operations by combining assessment, analytics, and engagement workflows in one platform.

Technologies: Nuxt.js, Supabase, PostgreSQL, OpenAI API, AI Integration

VetOps

Link: https://try.vetops.me

Veterinary management SaaS platform supporting appointments, patient records, billing, inventory, digital vaccine tracking, and client-facing workflows.

Business Impact: Used in live clinic operations to digitize workflows and reduce manual administrative work.

Technologies: Vue.js, Supabase, PostgreSQL, Business Systems Development

TxtFlow

Android-based SMS gateway platform for local high-volume messaging and campaign delivery without depending on third-party SMS APIs.

Business Impact: Reduced SMS provider dependency and enabled businesses to run messaging workflows from Android devices.

Technologies: Flutter, Android, SMS Gateway, Offline-first Applications

KitchFlow

Link: https://www.kitchflow.xyz/

Restaurant management system with POS, inventory, staff management, reporting, offline-first workflows, and kitchen/dining print operations.

Business Impact: Used in live restaurant operations and built for real constraints including unstable connectivity, low-bandwidth usage, and operational speed.

Technologies: Vue.js, FastAPI, PostgreSQL, Redis, Docker

Experience

Founder / Lead Developer - SaaS & Platform Systems

Self-Directed Products

Self-employed - Remote

Jan 2025 - Present

Founded and led product development for SaaS platforms solving operational problems across education, healthcare, communications, and business workflows.

PulsePrep (Inactive) - AI Learning Platform

  • Architected and shipped adaptive exam platform with AI-generated questions, learner insights, and engagement-driven study workflows.
  • Implemented real-time progress tracking and analytics for hundreds of students.
  • Owned product strategy, UX, database design, API design, and production delivery.

VetOps - Veterinary Management System

  • Architected and developed veterinary SaaS platform supporting appointments, patient records, billing, inventory, and digital vaccine tracking.
  • Built client-facing tools to reduce manual clinic communication and improve operational visibility.
  • Designed scalable architecture for small-to-medium veterinary clinics.

TxtFlow - SMS Gateway Platform

  • Built Android-based SMS gateway for high-volume local messaging and campaign workflows.
  • Reduced reliance on third-party SMS providers by using native device messaging capabilities.

Technologies: Nuxt.js, Vue.js, Supabase, PostgreSQL, OpenAI API, Prompt Engineering, AI Integration, SaaS Development, System Architecture

Lead Developer

KitchFlow

Contract - Manila, Philippines

Nov 2025 - Feb 2026

Designed and developed a production-ready restaurant management platform for real-world hospitality operations.

  • Architected and implemented POS, inventory, staff management, and reporting modules for restaurant operations.
  • Designed offline-first architecture for unstable network environments and low-bandwidth usage.
  • Implemented real-time synchronization, kitchen printing, and dining print workflows.
  • Translated restaurant operational constraints into practical software workflows.
  • Owned product architecture, backend APIs, performance optimization, and deployment planning.

Technologies: Vue.js, FastAPI, Python, PostgreSQL, Redis, Docker, Ubuntu, Offline-first Applications, REST APIs

Senior Software Engineer

ButFor

Full-time - Remote

Aug 2024 - Aug 2025

Led backend modernization, system architecture, and cloud infrastructure improvements for a production claims platform.

  • Migrated Node.js APIs to FastAPI, improving API performance by approximately 50%.
  • Migrated MySQL infrastructure to Supabase, reducing infrastructure costs by approximately 20%.
  • Led system architecture decisions, scalability planning, and backend modernization strategy.
  • Containerized applications using Docker and managed production deployments.
  • Improved cloud infrastructure reliability, maintainability, and developer workflow.

Technologies: Python, FastAPI, Docker, Supabase, PostgreSQL, MySQL, REST APIs, System Architecture, Cloud Infrastructure

Full Stack Engineer

Phyrem LLC

Full-time - Remote

May 2023 - Sep 2023

  • Integrated storage-related APIs to support production application workflows.
  • Enhanced campaign management features across backend and frontend systems using CodeIgniter, Bootstrap, and NestJS.
  • Resolved application issues and improved maintainability across existing product modules.

Technologies: CodeIgniter, NestJS, Bootstrap, PHP, REST APIs, JavaScript

Full Stack Engineer

Diocese of Antipolo

Freelance - Remote

Mar 2020 - Feb 2022

Developed a complete educational platform and communication infrastructure for thousands of students.

  • Built school platform modules supporting over 7,000 students across eLearning, grading, and administration.
  • Designed and implemented backend APIs, database models, and school administration workflows.
  • Built SMS gateway architecture that replaced Twilio for cost optimization.
  • Delivered education technology features used by school staff, teachers, and students.

Technologies: PHP, Laravel, MySQL, REST APIs, Ionic Framework, System Architecture, Business Systems Development

Senior Web Developer

PwC Philippines

Full-time - On-site

Jan 2019 - Jul 2021

  • Developed Tax Calendar Mobile Application for internal enterprise workflows.
  • Built Billing & Collection Dashboard to improve reporting and operational visibility.
  • Created Employee Directory and Donation Web Application for corporate teams.
  • Designed and implemented backend APIs for internal tools and reporting systems.
  • Built reporting dashboards that reduced manual data consolidation work.

Technologies: Laravel, PHP, MySQL, REST APIs, JavaScript, Bootstrap, Reporting Dashboards

Full Stack Engineer

Barkada Travel & Tours

Freelance - Remote

Mar 2019 - Feb 2020

  • Integrated travel services into the Expresspay User Referral Program and PitakaMo Wallet mobile application.
  • Designed and maintained centralized REST APIs for flights, hotels, and tour bookings.
  • Created comprehensive API documentation for client and partner integrations.
  • Managed production servers, deployments, and infrastructure for travel booking systems.
  • Worked directly with stakeholders to convert business requirements into scalable software solutions.
  • Diagnosed and resolved production application and API issues.

Technologies: Laravel, PHP, Bootstrap, JavaScript, REST APIs, API Documentation, Production Deployments

Full Stack Web Developer

TransWealth Fleet & Parking Management

Freelance - Remote

Feb 2019 - Oct 2019

Built a complete B2B fleet and car rental management platform from the ground up.

  • Architected and developed reservation and booking systems for corporate fleet clients.
  • Built vehicle fleet, customer, booking, and rental management modules.
  • Created REST APIs for integrations and future mobile applications.
  • Designed responsive administrative and partner portals for operational teams.
  • Optimized database queries and application performance for daily booking workflows.
  • Managed production deployments, infrastructure, and ongoing client delivery.

Technologies: Laravel, PHP, Bootstrap, MySQL, REST APIs, Database Optimization, Production Deployments

Frontend Developer

8Layer Technologies, Inc.

Full-time - Pasig, Philippines

Jun 2018 - Dec 2018

  • Created wireframes and responsive UI designs for fintech and communication products.
  • Converted wireframes into production HTML, CSS/SCSS, and JavaScript interfaces.
  • Developed cross-platform mobile application screens using Ionic.
  • Integrated REST APIs into web and mobile applications.
  • Collaborated with backend developers to ship API-connected user interfaces.
  • Performed UI improvements, bug fixes, and frontend performance optimizations.

StarPay

  • eWallet mobile application built using Ionic.

XLog

  • Realtime embeddable chat platform.

AksyonCrypt

  • Company logo and branding assets.

Technologies: Ionic Framework, jQuery, Bootstrap, SCSS, JavaScript, REST APIs, Frontend Development

Full Stack Engineer

Binangonan Catholic College

Freelance - Remote

Jan 2018 - Mar 2018

Designed and developed a complete school management platform with RFID attendance and SMS communication workflows.

  • Architected application database, infrastructure, and module structure for school operations.
  • Built academic, attendance, and administrative modules for staff workflows.
  • Developed REST APIs for web and mobile integrations.
  • Built mobile SMS gateway using Ionic for school communication workflows.
  • Integrated RFID attendance technology for student monitoring.
  • Managed deployments, infrastructure, and ongoing maintenance.

Technologies: Laravel, PHP, MySQL, Ionic Framework, Bootstrap, jQuery, SCSS, RFID Applications, REST APIs

Education

STI College

Bachelor of Science in Information Technology

2014 - 2017

Technological Institute of the Philippines

Bachelor of Science in Information Technology

2012 - 2014