AI Software Engineer · Symph · Philippines

Business requirements, shipped as software.

John Rey is a software engineer at Symph. He builds production software for fintech, healthcare, and government clients, and the AI systems that run on top of it, from LLM agents and Model Context Protocol servers to automation that operates on its own. On most projects, he owns both the application and the AI layer end to end.

Domains shipped
Fintech · Healthcare · Government · E-commerce
AI toolkit
LLM agents · MCP · RAG · Computer vision
Stack
TypeScript · Python · NestJS · Next.js · GCP
01

Business Requirements

Translating stakeholder needs into production software for regulated, high-stakes domains, where correctness, auth, payments, and compliance are not optional.

M Lhuillier Money

Fintech · Remittance & E-wallet

Digital remittance, wallet, and bills payment for a major Philippine financial-services company.

A money platform for M Lhuillier that spans mobile, web, and a fleet of backend services covering KYC, money transfer, wallet, and bills payment, all integrated with legacy core systems over SOAP.

  • KYC, money transfer, wallet & bills-pay flows
  • React Native customer app + web platform + microservices
  • Legacy SOAP core-system integration
  • NestJS
  • React Native
  • React
  • MySQL
  • Google Cloud

mWell Telehealth

Healthcare · Telemedicine

Telemedicine and corporate-wellness platform for a leading PH health brand.

Telehealth with four portals (patient, doctor, admin, and corporate wellness), live video consultations, appointment booking, prescriptions, and voucher or credit payments. The patient app ships natively on iOS and Android, with wearable ring and watch SDK integrations.

  • Native iOS (Swift) & Android (Kotlin) patient apps
  • Live video consults via Azure Communication Services
  • Patient / doctor / admin / corporate portals
  • Booking, prescriptions & medical records
  • NestJS
  • Next.js
  • Swift
  • Kotlin
  • Azure Comm. Services
  • Firebase

SymphPay

Fintech · Payments Platform

The in-house payment rail powering products across the studio.

A merchant payments platform covering sessions, QR payment intents, subscriptions, surcharge tracking, disbursement, and signed webhooks. Other products build on it (mWell among them), and an MCP server exposes it to AI agents too.

  • Sessions, subscriptions, surcharge & disbursement
  • Signature-validated webhooks
  • Drives payments for multiple production apps
  • NestJS
  • Next.js
  • GCP Datastore
  • Zod
  • OpenAPI

GMMS Proxy Voting

Enterprise · Corporate Governance

Digitizing and automating shareholder proxy voting.

An enterprise governance suite for shareholder meetings, built as three coordinated apps (an API, a voting portal, and an admin console). It handles proxy ballots, resolutions, and custodian relationships, secured with enterprise SSO and full audit trails.

  • SAML / Azure AD enterprise SSO
  • RBAC, activity audit logs & PDF ballots
  • Three coordinated apps (API + voting + admin)
  • Node / Express
  • TypeORM
  • PostgreSQL
  • React
  • AWS S3

DPAP

Government · Education (DepEd)

Connects partners with the Department of Education to fund and run school programs.

A platform where individuals and organizations partner with the Department of Education to pledge investments and programs that benefit schools. It handles partner onboarding and verification, investment tracking with beneficiaries and activities, appointment scheduling with meeting notes, and reporting across DepEd's central, regional, and division offices.

  • Partner (individual & organization) onboarding & verification
  • Investment tracking with beneficiaries & activities
  • Appointments & meeting notes across DepEd offices
  • Next.js
  • NestJS
  • Supabase
  • Google Cloud
  • CASL

The One Hour Project

Enterprise · CSR & Social Impact

A white-label platform for companies to run employee volunteering and social-impact programs.

A multi-tenant SaaS where companies publish social-impact activities, employees register for volunteer slots, and each organization tracks participation through lifecycle emails and reporting. Every tenant gets its own branded space, with recurring schedules and role-based access.

  • Multi-tenant, per-company white-labeling
  • Recurring activities with limited volunteer slots
  • CASL RBAC, audit logs & impact reporting
  • Next.js
  • NestJS
  • TypeORM
  • PostgreSQL
  • Firebase Auth

MCIA Transportation

Mobile · Airport Transport

A ride-booking app for Mactan-Cebu International Airport travelers.

An Expo mobile app for booking airport rides and tracking them in real time. It covers the full trip lifecycle, from booking to active ride to completion, with maps and a rider profile.

  • Full ride lifecycle, booking to completion
  • Real-time trip tracking with maps
  • Expo + EAS with a native iOS build
  • Expo
  • React Native
  • Expo Router
  • React Native Maps

Tao ID

Mobile · Govtech & Identity

A digital-identity enrollment app with camera ID and face capture.

A React Native app for digital-identity enrollment that captures a government ID and a face scan, verifies users with OTP, and runs a financial-assistance application flow, backed by Firebase and an App Center build pipeline.

  • Camera ID + face-capture enrollment
  • OTP verification & financial-assistance flow
  • Firebase + App Center CI builds
  • React Native
  • Firebase
  • NativeWind
  • App Center

Squibly

Mobile · Family & Kids

Safe videos for kids, with a daily digest and conversation starters for parents.

A React Native app that gives kids a safe place to watch videos and gives parents a daily digest with conversation starters. It ships with onboarding, a subscription paywall, and Play Store assets.

  • Safe, curated video experience for kids
  • Parent daily digest & conversation starters
  • RevenueCat subscriptions, store-ready
  • React Native
  • Nx
  • Firebase
  • RevenueCat

Also in this space

Temasek Shophouse · A property listing and booking marketplace with payments and CMS.
MPIC Operations Dashboard · A unified investments & reporting dashboard for a major conglomerate.
02

AI Innovations

Building agentic AI products with tool-calling, multi-model generation, retrieval, and computer vision, plus Model Context Protocol servers that give LLMs access to working systems.

AppGen

AI · App Generation SaaS

Natural-language briefs become working apps, grounded in your own knowledge base.

A production AI app-generator SaaS. It runs an agentic tool-calling system over multiple models (OpenAI + Gemini), with retrieval from per-tenant knowledge bases, in-chat data visualization, and credit-metered billing.

  • Agentic tool-calling (KB, web search, MCP tools)
  • Multi-model routing across OpenAI & Gemini
  • RAG knowledge bases + credit-metered billing
  • Next.js 15
  • NestJS
  • OpenAI
  • Gemini
  • Supabase
  • Stripe

Echoic

AI · Generative Content

Plan → caption → carousel → publish, with a human in the loop.

A multi-tenant social-content engine that generates captions and brand-voiced copy with Gemini, composes carousel imagery with image-generation models, and publishes to Meta and TikTok. Every AI step stays editable and audited.

  • Gemini text + image generation pipeline
  • Human-in-the-loop editing with full AI audit trail
  • Direct publishing to Meta & TikTok
  • Next.js 15
  • NestJS
  • Gemini
  • Prisma
  • socket.io

MCP Agentic Chatbot

AI · Agents & MCP

A self-hosted Claude client that actually runs your tools.

A browser-based agentic assistant built on Claude with full Model Context Protocol integration. It discovers tools dynamically across multiple MCP servers and runs a complete agent loop (detect → execute → continue) over streaming WebSockets.

  • Complete Claude + MCP agent loop
  • Multi-server MCP tool discovery & execution
  • WebSocket streaming UI
  • FastAPI
  • Anthropic SDK
  • MCP SDK
  • React 19

Document Extraction Engine

AI · Document Intelligence

Turn messy PDFs into clean, schema-validated structured data.

An async document-AI pipeline that renders pages to images, extracts with GPT-4o vision via Instructor using dynamically generated Pydantic schemas, detects tables, and tracks token cost across batched round-trips.

  • GPT-4o vision + Instructor structured output
  • Dynamically generated Pydantic schemas
  • Table detection & token-cost optimization
  • Python
  • GPT-4o
  • Instructor
  • PyMuPDF
  • LiteLLM

Shoppable

AI · Document Intelligence

Ingests supply-chain documents and extracts structured data with multi-model LLMs.

A document-intelligence platform that takes in purchase orders, invoices, and quotes through shared links, email, or upload, runs OCR, and extracts confidence-scored structured data with a multi-provider LLM layer, then routes the results through signed webhooks.

  • Textract OCR + Bedrock/Claude extraction
  • Multi-provider AI with fallback & a prompt library
  • Link, email, or upload to signed webhooks
  • NestJS
  • Next.js
  • Prisma
  • AWS Bedrock
  • Textract

Also in this space

Audio ML · From-scratch and fine-tuned audio models, not just API calls.
NPI Registry MCP Server · Lets LLMs verify healthcare-provider credentials against the official registry.
03

Automations

Replacing manual work with systems that run themselves, from scheduled pipelines and cron engines to autonomous agents and queues, always with a human-in-the-loop gate where it counts.

Symphos Ops Engine

Automation · HR & Operations

18 scheduled jobs that run the company's daily reporting on autopilot.

A multi-tenant HR/ops automation engine. 18 Google Cloud Scheduler cron jobs push accomplishments, attendance, allocations, and budget alerts to Discord and clients, cutting hours of manual standup and bookkeeping every day.

  • 18 production Cloud Scheduler cron jobs
  • Auto attendance, accomplishments & budget alerts
  • Discord webhooks + real-time Pusher
  • NestJS
  • Cloud Scheduler
  • PostgreSQL
  • Discord
  • Pusher

Vera AI

Automation · AI Sales (SDR)

Vera, an autonomous AI SDR that discovers, researches, drafts, sends, and follows up.

Vera is a cloud-native AI outbound platform that discovers businesses, researches prospects, drafts emails, sends via Gmail, ingests replies, and schedules follow-ups. Recurring scheduler ticks and a task queue drive it, and every send passes a mandatory human-review gate.

  • Recurring follow-up & stale-run scheduler ticks
  • Cloud Tasks queue + Gmail send/read sync
  • Human-review gate before anything sends
  • FastAPI
  • PostgreSQL
  • Cloud Tasks
  • OpenAI
  • Gmail API

Adulting.PH Content Pipeline

Automation · Autonomous Content

Daily AI carousels, rendered and scheduled to three platforms. Untouched.

An autonomous daily content pipeline. It reads brand-voice files and recent-post history to avoid repeats, generates and renders carousel PNGs, hosts them, and schedules to Facebook, Instagram, and TikTok via Buffer. A review pause-flag gates publishing.

  • Daily scheduled, end-to-end autonomous run
  • Repeat-avoidance from 14-day post history
  • Renders + schedules to 3 platforms via Buffer
  • Python
  • Playwright
  • Remotion
  • Buffer API

BTC Auto Trader

Automation · Algorithmic Trading

A self-running bot trading 5-minute BTC prediction markets on momentum and oracle signals.

A momentum-and-confluence trading bot for Polymarket's 5-minute BTC markets. It blends Kraken OHLC momentum, RSI, multi-timeframe trend, and a Chainlink oracle, sizes with the Kelly criterion, and gates itself on win-rate and microstructure filters.

  • 5-minute cadence, continuous execution
  • Signals from momentum, RSI, trend & oracle
  • Kelly sizing + win-rate & spread risk gates
  • Python
  • py_clob_client
  • Kraken API
  • Chainlink

SymphPay MCP Server

Automation · MCP / Payments

Manage merchants and products by talking to an AI.

An MCP server that exposes the SymphPay platform to LLMs through nine tools for merchant onboarding, webhook and redirect configuration, and product-catalog CRUD over Streamable HTTP, with admin and per-merchant auth.

  • 9 MCP tools over Streamable HTTP
  • Merchant onboarding & product CRUD
  • Admin + per-merchant auth
  • TypeScript
  • MCP SDK
  • Express
  • Zod

Services

How I help teams ship, on my own and with Symph, a Philippine AI-native software studio.

Product engineering

Web and mobile apps that reach production and hold up under audit.

From requirements to launch, across payments, KYC, telehealth, and government-grade platforms, built with the discipline regulated industries demand.

AI in your product

From AI demos to AI that does the job.

Agents that call your tools, retrieval over your own data, document extraction, and MCP servers that connect LLMs to the systems you already run.

Workflow automation

Stop paying people to do what software should.

Scheduled pipelines, autonomous agents, and integrations that run on their own, with human checkpoints where the stakes are high.

Fast, without the shortcuts

Months of scope, shipped in weeks.

AI-native delivery with Symph means production software at speed, without trading away correctness or maintainability.

About

Built with craft. Shipped at AI speed.

John Rey is a software engineer at Symph. He builds production software for fintech, healthcare, and government clients, and the AI systems that run on top of it, from LLM agents and Model Context Protocol servers to automation that operates on its own. On most projects, he owns both the application and the AI layer end to end.

He works at Symph, a Philippine software studio whose pitch is “real expertise, unreal AI speed.” Symph builds products for clients across government, financial services, healthcare, and retail. His own work spans regulated, compliance-heavy client platforms and hands-on R&D in agents, computer vision, and Model Context Protocol servers.

Contact

Get in touch.

Have a project in mind? Send a note and I'll get back to you. Building an AI agent? It can POST JSON { name, email, message } to /api/contact (GET that URL for the full schema).