RALPH JONAS .
Full-Stack Developer & AI Integration Specialist building scalable, practical software.
About
Full-stack developer and AI integration specialist based in the Philippines. I build products end-to-end — from backend architecture and cloud infrastructure to developer tooling and AI-powered workflows.
I focus on writing clean, maintainable systems that solve real problems. Whether it's orchestrating payments across multiple gateways, building data aggregation pipelines, or setting up self-hosted infrastructure — I care about getting the details right.
Projects
- Flight Rewards Search Platform Node.js · TypeScript · PostgreSQL · GCP
Technical lead for a UK-based SaaS platform that helps users find and compare reward flight availability across major airlines.
- Billing & Payment Platform Node.js · TypeScript · GCP · Event-Driven
Multi-gateway payment orchestration platform with unified subscription billing, dunning management, and smart retry logic.
- Airline Data Aggregation Bots TypeScript · Puppeteer · BullMQ
Automated scrapers collecting flight availability data from multiple airline sources on scheduled intervals.
- Remote MCP Server TypeScript · Node.js · Docker
Model Context Protocol server accessible via URL, enabling AI assistants to interact with custom tools through SSE transport.
- Home Infrastructure Lab Docker · Linux · TrueNAS · Tailscale
Multi-node self-hosted services ecosystem including NAS, media streaming, workflow automation, and monitoring dashboards.
Other Work
- Airline Route Mapping Service TypeScript · Node.js
- Loyalty Points Transfer Engine Node.js · TypeScript · React
- Subscription Service Architecture Node.js · GCP · Pub/Sub
- AI Development Workflow Standards Claude · OpenAI
- Local AI Inference Server Linux · AI/ML Inference
- Accident Detection Device Raspberry Pi · Python
- Accident Detection Control Panel MongoDB · Express · Angular · Node.js
- Audit & Report Generator Angular · Node.js · SQL · AWS
- Freelance Projects Upwork