---
title: "Vincent Joy (@vincentjoyhere) | Hashnode"
description: "IoT | Mobile Applications | Gen AI. Read the latest articles by Vincent Joy on Hashnode."
url: "https://hashnode.com/@vincentjoyhere"
---

@vincentjoyhere

# Vincent Joy

@vincentjoyhere · Bengaluru, India · Joined July 2025

IoT | Mobile Applications | Gen AI

### [Protocol Framing: Teaching Mobile Engineers to Speak Firmware](https://code-joy.hashnode.dev/protocol-framing-teaching-mobile-engineers-to-speak-firmware?utm_source=hashnode&utm_medium=feed)

Making sense of headers, delimiters, and byte arrays when mobile apps talk to IoT devices

18 min read · [code-joy.hashnode.dev](https://code-joy.hashnode.dev/protocol-framing-teaching-mobile-engineers-to-speak-firmware?utm_source=hashnode&utm_medium=feed)

[Aug 28, 2025](https://hashnode.com/posts/protocol-framing-teaching-mobile-engineers-to-speak-firmware/68b00ce956e585ca7270a401)

### [gRPC In Mobile: A Complete Guide](https://code-joy.hashnode.dev/grpc-for-ios-developers-a-complete-guide?utm_source=hashnode&utm_medium=feed)

Everything you need to know about RPCs, Protobuf, HTTP/2, and why gRPC matters for real-time apps and IoT

16 min read · [code-joy.hashnode.dev](https://code-joy.hashnode.dev/grpc-for-ios-developers-a-complete-guide?utm_source=hashnode&utm_medium=feed)

[Aug 25, 2025](https://hashnode.com/posts/grpc-for-ios-developers-a-complete-guide/68ac5f144c5ca5b261e8ab8c)

### [Understanding the OSI Model: A Guide for Mobile App Developers](https://code-joy.hashnode.dev/understanding-the-osi-model-a-guide-for-mobile-app-developers?utm_source=hashnode&utm_medium=feed)

Breaking Down the Magic: How Your App Communicates Over the Internet

23 min read · [code-joy.hashnode.dev](https://code-joy.hashnode.dev/understanding-the-osi-model-a-guide-for-mobile-app-developers?utm_source=hashnode&utm_medium=feed)

[Aug 15, 2025](https://hashnode.com/posts/understanding-the-osi-model-a-guide-for-mobile-app-developers/689f5983e8369e770e9cfbf5)

### [MQTT in iOS Apps: The Complete Implementation Guide](https://code-joy.hashnode.dev/mqtt-in-ios-apps-the-complete-implementation-guide?utm_source=hashnode&utm_medium=feed)

Build real-time, battery-efficient IoT apps that scale – from smart homes to industrial systems

11 min read · [code-joy.hashnode.dev](https://code-joy.hashnode.dev/mqtt-in-ios-apps-the-complete-implementation-guide?utm_source=hashnode&utm_medium=feed)

[Aug 7, 2025](https://hashnode.com/posts/mqtt-in-ios-apps-the-complete-implementation-guide/68945f4656a7a0df9ed928b6)

### ["Bonjour, TCP!" Writing an Encrypted Peer-to-Peer SDK for iOS IoT Apps](https://code-joy.hashnode.dev/bonjour-tcp-writing-an-encrypted-peer-to-peer-sdk-for-ios-iot-apps?utm_source=hashnode&utm_medium=feed)

WiPeerKit: a Swift 6 Framework for communication over local Wi-Fi in Swift

10 min read · [code-joy.hashnode.dev](https://code-joy.hashnode.dev/bonjour-tcp-writing-an-encrypted-peer-to-peer-sdk-for-ios-iot-apps?utm_source=hashnode&utm_medium=feed)

[Aug 5, 2025](https://hashnode.com/posts/bonjour-tcp-writing-an-encrypted-peer-to-peer-sdk-for-ios-iot-apps/6891f9262f01b109a80cd77f)