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# Videos

2653 videos · 28513 moments · 1455.2 hours of content

## All videos

### Let your iOS app read texts

Add offline OCR to your iOS app in just a few lines of code. Discover how Swift's Vision framework extracts real-world text while completely preserving user privacy.

- **Speakers:** Milan Todorovic
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 36:34
- [Watch](https://www.wearedevelopers.com/videos/167-let-your-ios-app-read-texts)

### Kafka Streams Microservices

Replacing tightly coupled microservices with Kafka Streams guarantees continuous data availability. Learn to build resilient, event-sourced architectures by treating Kafka as primary persistent storage.

- **Speakers:** Denis Washington, Olli Salonen
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 45:48
- [Watch](https://www.wearedevelopers.com/videos/168-kafka-streams-microservices)

### Intro to Flutter Development

Stop duplicating code for iOS and Android. Discover how Flutter's single codebase and Hot Reload feature deliver pixel-perfect, high-performance apps in half the time.

- **Speakers:** Mira Jago
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 48:32
- [Watch](https://www.wearedevelopers.com/videos/170-intro-to-flutter-development)

### How to write a book with CSS

Think CSS is only for screens? Discover how to leverage page rules and micro-typography to typeset professional-grade physical books entirely with code.

- **Speakers:** Håkon Wium Lie
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 40:25
- [Watch](https://www.wearedevelopers.com/videos/172-how-to-write-a-book-with-css)

### From Zero to Mobile Developer in 45 Minutes With SwiftUI

Build an iOS live chat app from scratch in just 45 minutes. Ditch storyboards for SwiftUI's declarative state and seamlessly sync real-time data using MongoDB Realm.

- **Speakers:** Andrew Morgan
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 44:13
- [Watch](https://www.wearedevelopers.com/videos/183-from-zero-to-mobile-developer-in-45-minutes-with-swiftui)

### Effective Machine Learning - Managing Complexity with MLOps

Stop treating machine learning models like standard code. Adopt MLOps to bridge the deployment gap and transform isolated notebooks into automated, reliable production pipelines.

- **Speakers:** Simon Stiebellehner
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 45:45
- [Watch](https://www.wearedevelopers.com/videos/185-effective-machine-learning-managing-complexity-with-mlops)

### Effective Java Strategies and Architectures for Clouds

Are your cloud deployments drowning in YAML and unexpected microservice costs? Learn why well-structured Java monoliths and managed APIs are your best defense against orchestration fatigue.

- **Speakers:** Adam Bien
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 42:23
- [Watch](https://www.wearedevelopers.com/videos/186-effective-java-strategies-and-architectures-for-clouds)

### Develop a Blockchain Application in JavaScript with Lisk SDK

Ditch complex consensus mechanisms and build scalable blockchain applications using just JavaScript. The Lisk SDK empowers you to focus strictly on business logic for rapid, real-world deployments.

- **Speakers:** Manu Nelamane Siddalingegowda
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 1:52:16
- [Watch](https://www.wearedevelopers.com/videos/188-develop-a-blockchain-application-in-javascript-with-lisk-sdk)

### C# 9 Source Generators - let the machine do the programming

Stop relying on slow runtime reflection and endless boilerplate. C# 9 Source Generators tap native compiler features to generate high-performance, strongly typed code on the fly.

- **Speakers:** Jiří Činčura
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 47:00
- [Watch](https://www.wearedevelopers.com/videos/192-c-9-source-generators-let-the-machine-do-the-programming)

### Building Security Champions

Stop bottlenecking your DevOps pipeline due to AppSec staffing shortages. Discover a practical, six-step framework to transform everyday developers into an active first line of defense as security champions.

- **Speakers:** Tanya Janca
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 48:02
- [Watch](https://www.wearedevelopers.com/videos/193-building-security-champions)

### Live Coding an Augmented Reality Game with WebXR

Spatial computing could completely replace physical monitors within a decade. Front-run this revolution by live coding an interactive WebXR game using a few lines of Three.js.

- **Speakers:** Christian Grail
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 44:30
- [Watch](https://www.wearedevelopers.com/videos/199-live-coding-an-augmented-reality-game-with-webxr)

### Advanced Caching Patterns used by 2000 microservices

How do you handle 500 billion daily requests across 2,000 microservices without cascading failures? Discover advanced caching patterns using Kafka, DynamoDB, and Varnish.

- **Speakers:** Natan Silnitsky
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 44:37
- [Watch](https://www.wearedevelopers.com/videos/201-advanced-caching-patterns-used-by-2000-microservices)

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