Work06 of 06

Real-time chat with Twilio and Sendbird

Chat and messaging features built on the Twilio and Sendbird APIs, with Redis caching to keep responses fast.

Where this sits: Associate Software Developer, VenturepactSelectedJun 2019 to Apr 2021

Roles by date
Company	Role	From	To	Stack
Venturepact	Associate Software Developer	Jun 2019	Apr 2021	TypeScript, Angular, Node.js, Express, MongoDB, Redis
Cyzerg	Junior Angular Developer	Apr 2021	Jan 2024	TypeScript, Angular
Cyzerg	Mid-Level Angular Developer	Jan 2024	now	TypeScript, Angular, React, Python

Figure. messages travelling between two clients through a service, drawn as stacked bars on a shared time axis.

Context

Messaging features are judged in milliseconds. A late delivery or a duplicated message is noticed straight away.

Lean on Twilio and Sendbird for delivery, and keep the app server thin: authenticate, map users to channels, cache what gets read often in Redis.

Twilio and Sendbird integrations for real-time chat and messaging, and Redis caching that sped up responses.