> Markdown version of [/videos?event=world-congress-2025&page=133](https://www.wearedevelopers.com/videos?event=world-congress-2025&page=133). 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 ### Database Magic behind 40 Million operations/s When a single flight booking triggered 25,000 operations, traditional databases buckled. Discover how Amadeus uses NoSQL to seamlessly process 40 million operations per second with zero downtime. - **Speakers:** Jürgen Pilz - **Event:** World Congress 2023 - **Published:** October 6, 2023 - **Duration:** 24:22 - [Watch](https://www.wearedevelopers.com/videos/748-database-magic-behind-40-million-operations-s) ### How to Monetize Your APIs Stop killing your API revenue with confusing token-based pricing. Discover how to build freemium models, price by true value, and turn backend services into profitable products. - **Speakers:** Alex Walling - **Event:** World Congress 2023 - **Published:** October 6, 2023 - **Duration:** 29:13 - [Watch](https://www.wearedevelopers.com/videos/749-how-to-monetize-your-apis) ### Exploiting the recruitment game as a developer Stop applying and start exploiting the recruitment algorithm. Learn how to reverse-engineer recruiter psychology, optimize your discoverability, and turn hiring gatekeepers into your internal advocates. - **Speakers:** Alla Pavlova - **Event:** World Congress 2023 - **Published:** October 6, 2023 - **Duration:** 32:54 - [Watch](https://www.wearedevelopers.com/videos/750-exploiting-the-recruitment-game-as-a-developer) ### Is reactive the new black? Imperative vs. reactive programming with Quarkus Is the steep learning curve of reactive programming stalling your team? Discover how Quarkus unifies imperative and reactive paradigms to scale IO-heavy microservices efficiently. - **Speakers:** Tatiana Chervova - **Event:** World Congress 2023 - **Published:** October 6, 2023 - **Duration:** 28:12 - [Watch](https://www.wearedevelopers.com/videos/751-is-reactive-the-new-black-imperative-vs-reactive-programming-with-quarkus) ### How We Built a Machine Learning-Based Recommendation System (And Survived to Tell the Tale) A data science team replaced their underperforming SQL recommender with a Meta-Prod2Vec neural network. Learn how injecting article metadata solved long-tail recommendations and boosted product coverage by 45 percent. - **Speakers:** Dora Petrella - **Event:** World Congress 2023 - **Published:** October 6, 2023 - **Duration:** 27:23 - [Watch](https://www.wearedevelopers.com/videos/752-how-we-built-a-machine-learning-based-recommendation-system-and-survived-to-tell-the-tale) ### Knowledge graph based chatbot Are token limits and hallucinations breaking your standard RAG? Discover how integrating Neo4j knowledge graphs enables deterministic, multi-hop chatbots that flawlessly execute complex logic. - **Speakers:** Tomaz Bratanic - **Event:** World Congress 2023 - **Published:** October 6, 2023 - **Duration:** 24:44 - [Watch](https://www.wearedevelopers.com/videos/754-knowledge-graph-based-chatbot) ### From Dungeons & Dragons to Fortune 500 – Running a Large Commercial Open-Source project TinyMCE transformed a free open-source editor into a $25M commercial powerhouse. Discover how they simplified pricing and balanced enterprise growth without sacrificing developer trust. - **Speakers:** Elise Bentley - **Event:** World Congress 2023 - **Published:** October 6, 2023 - **Duration:** 21:00 - [Watch](https://www.wearedevelopers.com/videos/755-from-dungeons-dragons-to-fortune-500-running-a-large-commercial-open-source-project) ### How computers learn to see – Applying AI to industry Ditch brittle manual feature engineering. Discover how transfer learning and cloud-based CNNs shrink computer vision training requirements to just 1,000 images for scalable industrial anomaly detection. - **Speakers:** Antonia Hahn - **Event:** World Congress 2023 - **Published:** October 6, 2023 - **Duration:** 22:11 - [Watch](https://www.wearedevelopers.com/videos/756-how-computers-learn-to-see-applying-ai-to-industry) ### Integrating backups into your GitOps Pipeline What happens when a faulty commit corrupts your database? Learn how to integrate automated pre-sync snapshots into your GitOps pipeline to instantly recover stateful applications without slowing deployments. - **Speakers:** Florian Trieloff - **Event:** World Congress 2023 - **Published:** October 6, 2023 - **Duration:** 25:24 - [Watch](https://www.wearedevelopers.com/videos/757-integrating-backups-into-your-gitops-pipeline) ### Why make use of an integration platform in today's software developments and infrastructure? Struggling to manage massive data flows between fragmented services? Discover how an API-led integration platform replaces tedious point-to-point connections to scale your infrastructure efficiently. - **Speakers:** Nils Hünerberg - **Event:** World Congress 2023 - **Published:** October 6, 2023 - **Duration:** 18:57 - [Watch](https://www.wearedevelopers.com/videos/758-why-make-use-of-an-integration-platform-in-today-s-software-developments-and-infrastructure) ### Awful APIs: A History Lesson in Industry Mistakes and Mishaps Developers fled SOAP for REST, only to create deeply nested GraphQL chaos. Explore the hilariously cyclical history of APIs that finally led us back to sending raw HTML. - **Speakers:** James Seconde - **Event:** World Congress 2023 - **Published:** October 6, 2023 - **Duration:** 28:55 - [Watch](https://www.wearedevelopers.com/videos/759-awful-apis-a-history-lesson-in-industry-mistakes-and-mishaps) ### Develop, test and run a communications application in a serverless cloud Stop wrestling with complex infrastructure and state persistence. Build, debug, and scale a serverless SMS ChatGPT integration in under 100 lines of code with Vonage Cloud Runtime. - **Speakers:** Filippos Kyprianou, Maksym Mednikov - **Event:** World Congress 2023 - **Published:** October 6, 2023 - **Duration:** 16:38 - [Watch](https://www.wearedevelopers.com/videos/760-develop-test-and-run-a-communications-application-in-a-serverless-cloud) [Next page](https://www.wearedevelopers.com/videos?page=134)