AWS IoT Core in Production: How We Built OTA Firmware Pipelines for 300+ Physical EV Chargers

This story was originally published on HackerNoon at: https://hackernoon.com/aws-iot-core-in-production-how-we-built-ota-firmware-pipelines-for-300-physical-ev-chargers. Learn how to build a production OTA firmware pipeline for EV chargers with AWS IoT Core, MQTT, IoT Jobs, device shadows, and session-aware updates. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #aws-iot-core, #cloudwatch, #ota, #aws-iot-core-in-production, #aws-iot-architecture, #ota-firmware-updates, #iot-device-management, #device-shadow-aws, and more. This story was written by: @mani66. Learn more about this writer by checking @mani66's about page, and for more stories, please visit hackernoon.com. Drawing from a migration from a self-managed MQTT broker to AWS IoT Core, this article explains how to build a production-ready OTA firmware platform for hundreds of EV chargers. It covers session-aware deployments, multi-component firmware sequencing, device shadows, IoT Jobs, observability, security, and lessons learned operating a geographically distributed hardware fleet.