> Markdown version of [/videos/world-congress-2021?page=4](https://www.wearedevelopers.com/videos/world-congress-2021?page=4). 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 2123 videos · 23049 moments · 1194.7 hours of content ## World Congress 2021 videos ### Software Security 101: Secure Coding Basics Are you sacrificing software security for faster release cycles? Discover how to prevent crippling technical debt by mastering foundational secure coding practices and architectural threat modeling. - **Speakers:** Thomas Konrad - **Event:** World Congress 2021 - **Published:** June 30, 2021 - **Duration:** 1:58:48 - [Watch](https://www.wearedevelopers.com/videos/220-software-security-101-secure-coding-basics) ### Test Driven Development with JavaScript Tired of manual QA slowing down your deployment pipelines? Master the red-green-refactor cycle with Mocha and Chai to build predictable, well-isolated JavaScript applications. - **Speakers:** Sascha Depold, Parinaz Roghany - **Event:** World Congress 2021 - **Published:** June 30, 2021 - **Duration:** 1:42:16 - [Watch](https://www.wearedevelopers.com/videos/222-test-driven-development-with-javascript) ### 6 tip to reduce your AWS bill Are idle instances secretly inflating your cloud costs? Discover six actionable engineering strategies to eliminate AWS money leaks and cut your compute bills by up to 90%. - **Speakers:** Sébastien Stormacq - **Event:** World Congress 2021 - **Published:** June 29, 2021 - **Duration:** 45:12 - [Watch](https://www.wearedevelopers.com/videos/159-6-tip-to-reduce-your-aws-bill) ### CQRS and Event Sourcing without the pixie dust Microservices aren't magic. An event bus alone just creates a distributed ball of mud. Learn how true CQRS and event sourcing achieve genuine architectural modularity. - **Speakers:** Allard Buijze - **Event:** World Congress 2021 - **Published:** June 29, 2021 - **Duration:** 43:27 - [Watch](https://www.wearedevelopers.com/videos/163-cqrs-and-event-sourcing-without-the-pixie-dust) ### Jamstack and Web Performance, a match made in heaven Are legacy origin servers bottlenecking your applications? Discover how Jamstack’s decoupled architecture and build-time rendering instantly resolve backend latency to maximize your core web vitals. - **Speakers:** Tamas Piros - **Event:** World Congress 2021 - **Published:** June 29, 2021 - **Duration:** 42:04 - [Watch](https://www.wearedevelopers.com/videos/169-jamstack-and-web-performance-a-match-made-in-heaven) ### Implementing smoke testing and proactive monitoring in production Are critical user paths breaking silently in production? Discover how automated, end-to-end smoke testing catches regressions instantly before your customers ever complain. - **Speakers:** Liam Hurrell, Jan Kunzmann - **Event:** World Congress 2021 - **Published:** June 29, 2021 - **Duration:** 1:29:04 - [Watch](https://www.wearedevelopers.com/videos/171-implementing-smoke-testing-and-proactive-monitoring-in-production) ### How To Test A Ball of Mud Stop using mocks as painkillers for bad architecture. Learn how to tame your monolithic codebase by enforcing strict test independence and deleting obsolete failing tests. - **Speakers:** Ryan Latta - **Event:** World Congress 2021 - **Published:** June 29, 2021 - **Duration:** 42:34 - [Watch](https://www.wearedevelopers.com/videos/173-how-to-test-a-ball-of-mud) ### How not to test Chasing 100% test coverage won't save a poorly architected codebase. Discover why over-mocking hides bugs and how prototyping before TDD actually accelerates development. - **Speakers:** Golo Roden - **Event:** World Congress 2021 - **Published:** June 29, 2021 - **Duration:** 43:07 - [Watch](https://www.wearedevelopers.com/videos/175-how-not-to-test) ### Develop enterprise-ready applications for Microsoft Teams with Azure resources on modern web technologies Tired of managing fragile password chains in your Teams extensions? Discover how to build enterprise-ready Node.js applications securely using Azure Key Vault and Managed Identities. - **Speakers:** Markus Möller - **Event:** World Congress 2021 - **Published:** June 29, 2021 - **Duration:** 43:26 - [Watch](https://www.wearedevelopers.com/videos/187-develop-enterprise-ready-applications-for-microsoft-teams-with-azure-resources-on-modern-web-technologies) ### Continuous testing - run automated tests for every change! Is manual QA bottlenecking your CI/CD pipeline? Replace error-prone testing with continuous automated coverage using Testcontainers, Gatling, and BDD to safely accelerate your deployments. - **Speakers:** Christian Kühn - **Event:** World Congress 2021 - **Published:** June 29, 2021 - **Duration:** 47:22 - [Watch](https://www.wearedevelopers.com/videos/190-continuous-testing-run-automated-tests-for-every-change) ### Agile work at CARIAD – Creating a customer web application for controlling the vehicle How do you sync rapid web deployment with rigid, 15-year vehicle lifecycles? See how CARIAD leverages Extreme Programming and decentralized microservices to build the My Volkswagen app. - **Speakers:** Torben Schramme - **Event:** World Congress 2021 - **Published:** June 29, 2021 - **Duration:** 42:03 - [Watch](https://www.wearedevelopers.com/videos/200-agile-work-at-cariad-creating-a-customer-web-application-for-controlling-the-vehicle) ### A Lifetime in Games: The Past, Present and Future of the Industry John Romero proves that revolutionary tech is worthless without masterful design. The Doom co-creator shares hard-learned lessons from studio failures and predicts the AI-driven future of game development. - **Speakers:** John Romero - **Event:** World Congress 2021 - **Published:** June 29, 2021 - **Duration:** 47:36 - [Watch](https://www.wearedevelopers.com/videos/202-a-lifetime-in-games-the-past-present-and-future-of-the-industry) [Next page](https://www.wearedevelopers.com/videos/world-congress-2021?page=5)