Families checking on their home from across the city, or across the world, need a feed that is immediate and reliable. Any delay in the stream makes the product feel untrustworthy, and that is not a feeling you recover from easily.
A home security system that cries wolf loses its audience quickly. The backend needed to distinguish meaningful events from everyday household activity, and to recognise the family so their movements never triggered a false alarm.
Configuring cameras, pushing firmware updates, setting schedules: all of this needed to happen remotely, over a secure channel, in a way that felt effortless to the end user regardless of their technical comfort level.
This is a platform that handles home surveillance data for real families. End-to-end security, proper access controls, and a clean audit trail were not nice-to-haves, they were the foundation everything else had to sit on.
We built ELLO’s backend as a fully serverless AWS architecture, with over 100 Lambda functions and more than 20 DynamoDB tables, deployed on Singapore infrastructure and built to scale cleanly as the user base grows.
CI/CD automation and end-to-end JWT-based security were baked in from the very beginning, not bolted on afterwards.
For live video, we integrated AWS IVS to deliver low-latency streams that reach the mobile app in near real time. The AI detection layer runs through AWS Rekognition, which watches each feed for motion, intrusions, and fall events, and importantly, recognises registered family members so their presence never generates a false alert. IoT device management runs over a secure MQTT channel through AWS IoT Core, giving the team full remote control over camera configuration, firmware, and scheduling.
When an event is detected, AWS SES and Firebase deliver notifications instantly across email, push, and in-app channels simultaneously.
AWS IVS integration delivers low-latency live feeds to the mobile app, giving families reliable, high-quality access to their home cameras from anywhere.
AWS Rekognition analyses each video feed to detect motion, intrusions, and falls, while recognising registered family members to keep false positives to a minimum.
A secure MQTT channel via AWS IoT Core handles remote camera configuration, firmware updates, and scheduling, all manageable from the app without any technical expertise.
Detection events trigger instant alerts across push notifications, email, and in-app channels simultaneously through Firebase and AWS SES.
JWT-based authentication, role-based access controls, and a microservices architecture designed to keep family surveillance data secure at every layer.
100+ Lambda functions and 20+ DynamoDB tables on Singapore infrastructure, with CI/CD automation and a clean architecture that scales with the product without a rebuild.
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