Hariharan

• Developing and maintaining real-time, backend-driven applications using Node.js, Python, and React.
• Designed and implemented scalable middleware services to process OPC UA/DA industrial signals with high reliability.
• Integrated external systems and camera platforms using REST APIs for real-time monitoring applications.
• Built MQTT-based data pipelines for sensor data ingestion and real-time event processing.
• Delivered low-latency, fault-tolerant solutions deployed in production security and industrial environments.

Neptune Controls Pvt. Limited

• Built scalable real-time middleware to capture and process OPC UA/DA signals from BMRCL systems.
• Built event-driven Node.js services integrating OPC signals with Honeywell MAXPRO cameras.
• Ensured low-latency, fault-tolerant communication across test and production environments.

Neptune Controls Pvt. Limited

• Developed an MQTT-based system to monitor real-time sensor signals and detect security events.
• Implemented sensor-to-camera mapping to automatically trigger live camera feeds on intrusion.
• Deployed in a live production environment at Maldives Airport for real-time intrusion detection.

Open Source Project | npmjs.com/package/jwt-timeline

• Developed and published an npm package to visualize and analyze JWT token timelines including issued, expiry, and validity periods.
• Helps developers debug authentication flows by converting JWT timestamps into human-readable timelines.
• Designed as a lightweight developer utility for Node.js applications.