> Markdown version of [/videos/weekly-live?page=23](https://www.wearedevelopers.com/videos/weekly-live?page=23). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Videos 2223 videos · 24118 moments · 1245.7 hours of content ## Weekly Live Show videos ### Fireside Chat with Lea Think legacy code is dead? Software developer Lea reveals why languages like Assembler still run banking, sharing her unexpected journey into mastering mission-critical financial systems. - **Speakers:** Lea Fragner - **Event:** WeAreDevelopers LIVE - **Published:** April 18, 2023 - **Duration:** 30:21 - [Watch](https://www.wearedevelopers.com/videos/551-fireside-chat-with-lea) ### Android beyond mobile: Cars, TVs, and Wearables Are you still only building for smartphones? Discover how to adapt your Android architecture for the unique constraints of wearables, TVs, and cars. - **Speakers:** Fedor Tсymbal - **Event:** WeAreDevelopers LIVE - **Published:** April 18, 2023 - **Duration:** 57:24 - [Watch](https://www.wearedevelopers.com/videos/553-android-beyond-mobile-cars-tvs-and-wearables) ### Offline first & automatic data synchronisations for your web and mobile applications Stop writing complex boilerplate for local caching and offline data collisions. AWS Amplify DataStore seamlessly automates real-time synchronization and conflict resolution for your web and mobile apps. - **Speakers:** Sebastien Stormacq - **Event:** WeAreDevelopers LIVE - **Published:** April 18, 2023 - **Duration:** 56:59 - [Watch](https://www.wearedevelopers.com/videos/554-offline-first-automatic-data-synchronisations-for-your-web-and-mobile-applications) ### Flutter Packages and Plugins - A Look Under the Hood How do Flutter apps access native APIs without dropping frames? Master asynchronous Method Channels and Federated plugin architectures to build scalable cross-platform codebases. - **Speakers:** Sylvia Dieckmann - **Event:** WeAreDevelopers LIVE - **Published:** April 18, 2023 - **Duration:** 54:48 - [Watch](https://www.wearedevelopers.com/videos/555-flutter-packages-and-plugins-a-look-under-the-hood) ### The perfect CI/CD React Native pipeline with Fastlane Mobile deployment doesn't have to be a manual nightmare. Fastlane and GitHub Actions completely automate your React Native builds. Experience true continuous delivery without the platform-specific headaches. - **Speakers:** Edoardo Dusi - **Event:** WeAreDevelopers LIVE - **Published:** April 18, 2023 - **Duration:** 54:51 - [Watch](https://www.wearedevelopers.com/videos/556-the-perfect-ci-cd-react-native-pipeline-with-fastlane) ### IoT: The road to sustainability Is planned obsolescence destroying the Internet of Things? Discover how developers can eliminate e-waste using open-source hardware and the W3C Web of Things standard. - **Speakers:** Philipp-Alexander Blum - **Event:** WeAreDevelopers LIVE - **Published:** April 18, 2023 - **Duration:** 57:23 - [Watch](https://www.wearedevelopers.com/videos/557-iot-the-road-to-sustainability) ### It's not easy being green Is your bloated codebase contributing to the climate crisis? Discover how integrating green software principles into your agile workflows guarantees faster, highly performant, and planet-friendly applications. - **Speakers:** Marjolein Pordon - **Event:** WeAreDevelopers LIVE - **Published:** April 18, 2023 - **Duration:** 1:02:22 - [Watch](https://www.wearedevelopers.com/videos/558-it-s-not-easy-being-green) ### An Architect’s guide to reducing the carbon footprint of your applications Treat sustainability as a core architectural requirement, not an afterthought. Discover how right-sizing microservices, leveraging ARM processors, and scaling to zero will drastically shrink your application's carbon footprint. - **Speakers:** Ricardo Sueiras Sueiras - **Event:** WeAreDevelopers LIVE - **Published:** April 18, 2023 - **Duration:** 55:18 - [Watch](https://www.wearedevelopers.com/videos/559-an-architect-s-guide-to-reducing-the-carbon-footprint-of-your-applications) ### Sustainable me. A tale of good design. The internet's carbon emissions now rival global aviation. Learn how strategic frontend optimizations, from tree shaking to efficient rendering, can drastically cut your web application's hidden energy drain. - **Speakers:** Lorenzo Pieri - **Event:** WeAreDevelopers LIVE - **Published:** April 18, 2023 - **Duration:** 1:05:49 - [Watch](https://www.wearedevelopers.com/videos/560-sustainable-me-a-tale-of-good-design) ### Celery on AWS ECS - the art of background tasks & continuous deployment Frequent AWS ECS deployments are silently killing your Celery tasks. Stop dropping background jobs during scaling events. Discover the exact infrastructure tweaks to bulletproof your continuous deployment pipeline. - **Speakers:** Jan Giacomelli - **Event:** WeAreDevelopers LIVE - **Published:** April 18, 2023 - **Duration:** 57:25 - [Watch](https://www.wearedevelopers.com/videos/561-celery-on-aws-ecs-the-art-of-background-tasks-continuous-deployment) ### Vectorize all the things! Using linear algebra and NumPy to make your Python code lightning fast. Are nested loops turning your Python scripts into multi-hour bottlenecks? Compress execution times down to mere milliseconds using NumPy and linear algebra vectorization. - **Speakers:** Jodie Burchell - **Event:** WeAreDevelopers LIVE - **Published:** April 18, 2023 - **Duration:** 57:49 - [Watch](https://www.wearedevelopers.com/videos/562-vectorize-all-the-things-using-linear-algebra-and-numpy-to-make-your-python-code-lightning-fast) ### How to make REST APIs in Django? Are your APIs fragile and full of boilerplate code? Discover how Django REST Framework uses ViewSets and object-level permissions to rapidly construct robust, secure endpoints. - **Speakers:** Kuldeep Pisda - **Event:** WeAreDevelopers LIVE - **Published:** April 18, 2023 - **Duration:** 56:06 - [Watch](https://www.wearedevelopers.com/videos/564-how-to-make-rest-apis-in-django) [Next page](https://www.wearedevelopers.com/videos/weekly-live?page=24)