> Markdown version of [/videos?event=world-congress-2025&page=165](https://www.wearedevelopers.com/videos?event=world-congress-2025&page=165). 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 2243 videos · 24305 moments · 1256.1 hours of content ## All videos ### The Lean Web Heavy JavaScript frameworks are breaking the modern web. Discover how the Lean Web methodology leverages micro-libraries and pre-rendered HTML to build resilient, lightning-fast applications. - **Speakers:** Chris Ferdinandi - **Event:** JavaScript Congress - **Published:** November 24, 2021 - **Duration:** 46:46 - [Watch](https://www.wearedevelopers.com/videos/285-the-lean-web) ### SSO with Ethereum and Next JS Ditch password fatigue and centralized databases for decentralized digital passports. Learn how to build secure, gas-free single sign-on in Next.js using Ethereum wallets and off-chain cryptography. - **Speakers:** Rahat Chowdhury - **Event:** JavaScript Congress - **Published:** November 24, 2021 - **Duration:** 44:49 - [Watch](https://www.wearedevelopers.com/videos/288-sso-with-ethereum-and-next-js) ### NoSQL Data Modeling for Front-end Developers Ditch strict data normalization for your next MongoDB project. Discover how strategic data duplication and embedding will drastically improve query performance in your front-end architecture. - **Speakers:** Stanimira Vlaeva - **Event:** JavaScript Congress - **Published:** November 24, 2021 - **Duration:** 44:51 - [Watch](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) ### Micro-Frontends with Module Federation: Beyond the Basics Scaling micro-frontends often introduces complex dependency and routing nightmares. Master Webpack 5 Module Federation to dynamically assemble remote modules, prevent version clashes, and orchestrate multi-framework legacy migrations. - **Speakers:** Manfred Steyer - **Event:** JavaScript Congress - **Published:** November 24, 2021 - **Duration:** 44:35 - [Watch](https://www.wearedevelopers.com/videos/298-micro-frontends-with-module-federation-beyond-the-basics) ### Making Data Warehouses fast. A developer's story. Standard caching won't fix unpredictable data warehouse response lags. Learn how one developer used Cube's semantic API to unlock 200-millisecond queries without complex SQL tuning. - **Speakers:** Adnan Rahic - **Event:** JavaScript Congress - **Published:** November 24, 2021 - **Duration:** 42:16 - [Watch](https://www.wearedevelopers.com/videos/302-making-data-warehouses-fast-a-developer-s-story) ### Let's get visual - Visual testing in your project Standard end-to-end tests are blind to visual regressions that silently erode user trust. Stop shipping formatting bugs by giving your automation framework eyes through structured screenshot comparison platforms. - **Speakers:** Ramona Schwering - **Event:** JavaScript Congress - **Published:** November 24, 2021 - **Duration:** 44:59 - [Watch](https://www.wearedevelopers.com/videos/303-let-s-get-visual-visual-testing-in-your-project) ### How to TDD in legacy code Does your old codebase resist test-driven development? Discover how characterization tests and strategic pre-refactoring can safely untangle complex anti-patterns and bring TDD to legacy systems. - **Speakers:** Gil Zilberfeld - **Event:** JavaScript Congress - **Published:** November 24, 2021 - **Duration:** 45:43 - [Watch](https://www.wearedevelopers.com/videos/309-how-to-tdd-in-legacy-code) ### How to achieve web automation with UiPath Modern web updates frequently break brittle automation scripts. Master dynamic selectors and AI-powered computer vision in UiPath to build highly resilient web workflows. - **Speakers:** Alp Uguray - **Event:** JavaScript Congress - **Published:** November 24, 2021 - **Duration:** 2:01:35 - [Watch](https://www.wearedevelopers.com/videos/310-how-to-achieve-web-automation-with-uipath) ### Explore new web features before everyone else Stop passively waiting for stable web releases. Learn how to leverage experimental browser builds and emerging APIs to safely future-proof your codebase before the competition catches up. - **Speakers:** Nikita Dubko - **Event:** JavaScript Congress - **Published:** November 24, 2021 - **Duration:** 44:43 - [Watch](https://www.wearedevelopers.com/videos/316-explore-new-web-features-before-everyone-else) ### Differential Loading Why penalize modern browsers with bloated legacy polyfills? Learn how Angular’s differential loading automatically serves optimized evergreen bundles while keeping older environments completely supported. - **Speakers:** Sani Yusuf - **Event:** JavaScript Congress - **Published:** November 24, 2021 - **Duration:** 39:55 - [Watch](https://www.wearedevelopers.com/videos/317-differential-loading) ### Destructuring Frontend monoliths with MicroFrontends Are tight dependencies and massive frontend monoliths blocking your deployment pipelines? Learn how micro frontends and webpack module federation empower teams to build and ship independently. - **Speakers:** Trishul Goel - **Event:** JavaScript Congress - **Published:** November 24, 2021 - **Duration:** 41:49 - [Watch](https://www.wearedevelopers.com/videos/318-destructuring-frontend-monoliths-with-microfrontends) ### Communication & Influence for Techies - An unconventional look at conversations Effective communication happens in the listener's ear, not your mouth. Stop confusing emotional stories with objective data. Discover how to leverage introverted strengths to navigate unpracticed conversations. - **Speakers:** Sumit Gupta - **Event:** JavaScript Congress - **Published:** November 24, 2021 - **Duration:** 1:06:16 - [Watch](https://www.wearedevelopers.com/videos/326-communication-influence-for-techies-an-unconventional-look-at-conversations) [Next page](https://www.wearedevelopers.com/videos?page=166)