Senior Full-Stack & AI Engineer · Available for opportunities

John Rebellion

Building scalable, secure backends and shipping AI-powered product features. Experienced across fintech, e-commerce, and legal-tech. Open to relocation · AU · CA · DE · US

Years shipping production software: 9+; Years shipping production software
Industries: fintech, e-commerce, legal-tech: 3+; Industries: fintech, e-commerce, legal-tech
AU distribution centres in the featured rollout: ~11; AU distribution centres in the featured rollout
Showcase projects: 4; Showcase projects

Hiring? Start with an email.

View Projects About Me

Stack

Go
TypeScript
Python
React
Next.js
Node.js
SvelteKit
AWS
Terraform
Docker
PostgreSQL
Redis
gRPC
OAuth2
LLM / RAG Integration
Anthropic API
Playwright

Featured Work

Open-source builds and founder-built products.

Financial Gateway API

Microservices payment gateway with automatic failover. Go + gRPC + Redis + Prometheus.

GogRPCMicroservicesFintech

Real-Time Collaboration Tool

Collaborative whiteboard with WebSocket and WebRTC signaling.

GoWebSocketWebRTCSvelteKit

MetaSharper

Web app that counteracts social media image compression via sharpening, contrast, and aspect ratio optimization.

SvelteKitGoImage Processing

Counterfeit Bill Detection

ML-assisted detection of counterfeit Philippine peso bills, built as an accessibility aid for visually impaired users.

PythonMachine LearningReact NativeComputer Vision