Hari Haran

I’m a Software Engineer focused on building real-time backend systems with Node.js, Python, and React. I design scalable middleware that processes industrial signals reliably, with a strong emphasis on low-latency performance and fault tolerance.

At Neptune Controls Pvt. Limited, I develop and maintain backend-driven applications for real-time monitoring. I designed and implemented middleware services for OPC UA/DA signal processing, built MQTT-based data pipelines for sensor ingestion and event processing, and integrated external systems and camera platforms via REST APIs.

I’m also building AI-powered systems, working on LLM architectures, RAG pipelines, MCP servers, automation workflows, and AI agents. My projects reflect this same mindset—real-time OPC middleware & camera integration, an MQTT-based intrusion detection system deployed at Maldives Airport, and an open-source jwt-timeline npm package that helps developers debug authentication flows.