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

Page: https://stenobird.com/podcast/tech-stories-tech-brief-by-hackernoon-6365648/aws-iot-core-in-production-how-we-built-ota-firmware-pipelines-for-300-physical-ev-chargers
Text version: https://stenobird.com/podcast/tech-stories-tech-brief-by-hackernoon-6365648/aws-iot-core-in-production-how-we-built-ota-firmware-pipelines-for-300-physical-ev-chargers.md
Podcast: [Tech Stories Tech Brief By HackerNoon](https://stenobird.com/podcast/tech-stories-tech-brief-by-hackernoon-6365648)
Published: 2026-07-07T16:00:37+00:00
Episode link: https://share.transistor.fm/s/b283d15a
Audio file: https://media.transistor.fm/b283d15a/842dc3f6.mp3
Processing state: not_requested
JSON: https://stenobird.com/v1/public/podcasts/tech-stories-tech-brief-by-hackernoon-6365648/episodes/aws-iot-core-in-production-how-we-built-ota-firmware-pipelines-for-300-physical-ev-chargers
Duration seconds: 1095

## Resource

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.

## Actions

- request_transcript: `POST https://stenobird.com/v1/public/podcasts/tech-stories-tech-brief-by-hackernoon-6365648/episodes/aws-iot-core-in-production-how-we-built-ota-firmware-pipelines-for-300-physical-ev-chargers/transcription-requests` — Idempotently request low-priority transcript generation for this episode.
- read_markdown: `GET https://stenobird.com/podcast/tech-stories-tech-brief-by-hackernoon-6365648/aws-iot-core-in-production-how-we-built-ota-firmware-pipelines-for-300-physical-ev-chargers.md` — Read the agent-friendly Markdown representation of this episode resource.

A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed.

## Transcript

Full transcripts are not published on public pages unless there is a clear rights basis.