Heshan Nethmina
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All projects

A selection of things I've designed, built, and shipped — from applied ML systems to backend services and IoT firmware.

SynapseAI

Full-stack AI assistant for chat, PDF analysis, and image/video generation, with streaming responses and persistent sessions.

JavaScriptNode.jsExpressGroq APIGenerative AI

Security Scanner Triage Agent

LLM agent that ingests Nuclei/Semgrep/Trivy scan output, deduplicates findings, and produces prioritized, reviewable fixes.

PythonLLM AgentsRAGStreamlitChroma

SmartQueue

Multi-tenant SaaS for queue and appointment management — businesses create queues, customers join via a public link and track their position live.

TypeScriptNext.jsExpressPostgreSQLRedis

OnTime — IoT GPS Tracking

Real-time GPS/GSM tracking system: firmware and test scripts for an Arduino Nano, NEO-6M GPS, and SIM800L over MQTT.

C++ArduinoMQTTIoT

LeadDesk

Lightweight CRM for small businesses to track customer inquiries across WhatsApp, Instagram, Facebook, calls, and walk-ins through a simple pipeline.

ReactTypeScriptSupabaseVite

© 2026 Heshan Nethmina

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