Enterprise OCPP 1.6 & 2.0.1 Central Station Management (CSMS) & Real-Time Telemetry
Architected and deployed an end-to-end EV Charging Management System (CSMS), charger touch UI, and telemetry platform connecting distributed DC fast chargers with real-time OCPP protocols, payment gateways, and remote diagnostics.
Architectural Constraints & Technical Hurdles
Field chargers operate in remote conditions with variable cellular signal strength. Intermittent connection drops previously led to unrecorded meter values, delayed payment reconciliation, and firmware drift across firmware revisions.
Engineered for High Concurrency & Zero Data Loss
We engineered a distributed, event-driven architecture using AWS IoT Core and WebSockets to handle real-time OCPP 1.6 and 2.0.1 messages (BootNotification, Heartbeat, MeterValues, RemoteStartTransaction). On top, we built a responsive touch UI and an operations command portal featuring live diagnostics, remote rebooting, dynamic tariff engines, and automated RFID/POS authorization.
Key Production Milestones
Event-driven OCPP message broker orchestrating bi-directional hardware commands.
Resilient offline queueing for meter values during transient cellular dropouts.
Integrated POS and RFID authentication workflows for instant authorization.
Fleet diagnostics dashboard with real-time temperature, voltage, and fault alarms.
Measured Production Outcomes
Delivered a production CSMS that standardized charging operations, reduced manual intervention to near zero, and enabled reliable commercial fleet deployment with sub-second status synchronization across hardware endpoints.
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