Available for opportunities

John Rebellion

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

GoTypeScriptPythonReactNext.jsNode.jsSvelteKitAWSTerraformDockerPostgreSQLRedisgRPCOAuth2LLM / RAG IntegrationAnthropic APIPlaywright

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Featured Work

Live demos and open-source work — built in public.

All projects

Financial Gateway API

building

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

GogRPCMicroservicesFintech

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MetaSharper

building

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

SvelteKitGoImage Processing

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Counterfeit Bill Detection

live

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

PythonMachine LearningReact NativeComputer Vision

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Home Network Security System

live

Local-network access control and content filtering via ARP-spoofing-based traffic rerouting. Go server + Svelte UI.

GoSvelteNetworkingSecurity

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