{"id":6955,"date":"2026-04-02T09:42:02","date_gmt":"2026-04-02T09:42:02","guid":{"rendered":"https:\/\/42wolfsburg.de\/?page_id=6955"},"modified":"2026-04-16T07:34:49","modified_gmt":"2026-04-16T07:34:49","slug":"built-42-how-mich-danylo-are-solving-the-transit-information-gap-with-trainpulse","status":"publish","type":"page","link":"https:\/\/42wolfsburg.de\/de\/built-42-how-mich-danylo-are-solving-the-transit-information-gap-with-trainpulse\/","title":{"rendered":"Built @42: How Mich & Danylo are Solving the Transit “Information Gap” with TrainPulse"},"content":{"rendered":"
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Built @42: How Mich & Danylo are Solving the Transit \"Information Gap\" with TrainPulse<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Imagine standing on a freezing platform in Hannover, watching your departure time pass while the official app still insists your train is “on time”. This “information black hole” was the spark for Mich<\/a> und Danylo<\/a>, two students at 42 Wolfsburg, to bridge the gap between official data and the real-time ground truth.<\/span><\/p>\n

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The Vision: Crowdsourcing the Truth<\/b><\/h2>\n

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Mich and Danylo realized that while billions are invested in rails, almost nothing is spent on fixing the real-time info deficit for passengers. Their solution, TrainPulse, uses collective intelligence to provide high-quality data through:<\/p>\n

Structured Reporting: Predefined categories like cancellations or delays ensure clarity.
Peer Validation: Other passengers instantly confirm or deny reports.
Freshness: Data automatically expires\u2014platform changes after 15 minutes and delays after 30\u2014to keep info accurate.<\/p>\n

From Concept to Scalable Code<\/h2>\n

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Moving beyond a simple idea required Mich and Danylo to think like architects as much as coders. They started with a rapid prototype\u2014an MVP built on Next.js<\/b>\u2014specifically designed to give passengers a fast, responsive interface where they could validate train data on the fly. But as the vision for TrainPulse grew, so did the technical ambition.<\/p>\n

To ensure the platform could actually scale and play nice with massive enterprise ecosystems like Deutsche Bahn, they strategically transitioned their backend to FastAPI<\/b>. This wasn’t just a tech swap; it was a move toward professional-grade Dockerization and seamless integration. Perhaps most impressively, they tackled the ‘trust’ issue head-on. To stop spam from ruining the data, they built a self-regulating logic into the app. By implementing auto-moderation and a user reputation system, they ensured that the ‘ground truth’ remains accurate, rewarding helpful passengers and keeping the platform’s information gold-standard.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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The 42 Factor: Peer Learning in Action<\/h2>\n

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What makes TrainPulse truly special is how it mirrors the very environment where it was built. At the 42 cluster, there are no teachers or traditional lectures\u2014just peers helping peers solve complex problems. Mich and Danylo took this exact philosophy and applied it to the tracks. In their vision, passengers become “peer validators,” building a collective ground truth through their shared experiences on the platform. Just as students at 42 Wolfsburg validate each other’s code to ensure quality, TrainPulse users prove the reality of a delay or a platform change through active participation. It\u2019s a perfect example of the 42 mindset: taking independent problem-solving and turning it into radical, real-world collaboration.<\/p>\n

Ready to see it in action?<\/b> Follow their journey and explore the live demo here: https:\/\/train-pulse-demo.vercel.app\/<\/a><\/p>\n

Interested in starting your own tech journey?\u00a0<\/span>Jetzt bewerben<\/strong><\/a>\u00a0to join our community.<\/span><\/p>\n

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Bleib auf dem Laufenden...<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\tFolge uns auf Instagram f\u00fcr regelm\u00e4\u00dfige Updates!\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Bleib auf dem Laufenden...<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Add Your Heading Text Here<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

From 42 Wolfsburg to the tracks: Discover how Mich and Danylo built TrainPulse to bridge the transit “information gap” using Next.js, FastAPI, and peer-to-peer validation.<\/p>","protected":false},"author":4,"featured_media":6959,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-6955","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"\nBuilt @42: How Mich & Danylo are Solving the Transit "Information Gap" with TrainPulse - 42 Wolfsburg<\/title>\n<meta name=\"description\" content=\"From 42 Wolfsburg to the tracks: Discover how Mich and Danylo built TrainPulse to bridge the transit "information gap" using Next.js, FastAPI, and peer-to-peer validation.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/42wolfsburg.de\/de\/built-42-how-mich-danylo-are-solving-the-transit-information-gap-with-trainpulse\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Built @42: How Mich & Danylo are Solving the Transit "Information Gap" with TrainPulse - 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