> Markdown version of [/videos/world-congress-2023?page=5](https://www.wearedevelopers.com/videos/world-congress-2023?page=5). 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 2023 videos ### How to Domain Model – An example from manufacturing Programming 25-million-euro machinery is like playing Sudoku on a Rubik's cube. Learn how Domain-Driven Design tames cyber-physical complexities. Isolate hardware dependencies and prevent catastrophic robotic misalignments. - **Speakers:** Hendrik Lösch - **Event:** World Congress 2023 - **Published:** October 6, 2023 - **Duration:** 29:54 - [Watch](https://www.wearedevelopers.com/videos/742-how-to-domain-model-an-example-from-manufacturing) ### Is your backend a hodgepodge of queues, event stores and cron jobs? Durable Execution to the Rescue. Are messy queues and cron jobs breaking your backend? Discover how durable execution lets you write straightforward, linear code that effortlessly survives process crashes and API failures. - **Speakers:** Maxim Fateev - **Event:** World Congress 2023 - **Published:** October 6, 2023 - **Duration:** 29:32 - [Watch](https://www.wearedevelopers.com/videos/744-is-your-backend-a-hodgepodge-of-queues-event-stores-and-cron-jobs-durable-execution-to-the-rescue) ### Thinking Differently - How to Make Money from Cyber Attacks & Cheats Automated attacks hit mobile games just 137 milliseconds after launch. Instead of banning these exploiters, discover how to transform game cheats into a massive, untapped revenue stream. - **Speakers:** Tom Tovar - **Event:** World Congress 2023 - **Published:** October 6, 2023 - **Duration:** 24:46 - [Watch](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) ### Swapping Low Latency Data Storage Under High Load How do you migrate 140 million accounts at 100,000 requests per second with zero downtime? Uncover the DynamoDB strategy Miro used to slash core latency by 4x. - **Speakers:** George Asafev - **Event:** World Congress 2023 - **Published:** October 6, 2023 - **Duration:** 22:32 - [Watch](https://www.wearedevelopers.com/videos/746-swapping-low-latency-data-storage-under-high-load) ### Challenges for omnichannel applications at ALDI: Data distribution and offline capabilities Spotty store Wi-Fi threatened ALDI's omnichannel rollout. Learn how their engineers used the Transactional Outbox pattern and offline-first PWAs to guarantee flawless data synchronization in complete internet dead zones. - **Speakers:** Enrico La Torre, Renato Dompieri Beltrão - **Event:** World Congress 2023 - **Published:** October 6, 2023 - **Duration:** 30:48 - [Watch](https://www.wearedevelopers.com/videos/747-challenges-for-omnichannel-applications-at-aldi-data-distribution-and-offline-capabilities) ### 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) [Next page](https://www.wearedevelopers.com/videos/world-congress-2023?page=6)