Building things. Currently creating the fastest way to prep for your Scrum Master exam.

github

Maurice Heinze  • Peerlist

Pretty Scrum is a free, adaptive practice tool that helps you pass the PSM I (Professional Scrum Master) exam in the shortest time possible.Most prep tools force you through the same long mock exams. Pretty Scrum works differently:• Tracks what you get wrong and prioritizes your weak Scrum Guide topics • Designed for real life — 5-minute study sessions that fit into your day • Fully mobile-first and works offline • Instant clear explanations after every question • No account, no credit card, completely freeJust open the app and start a session. It adapts as you go so you only study what you still need to learn.Built for people who want to prepare smarter, not longer.Try it → <a target="_blank" rel="noopener noreferrer nofollow ugc" class="break-all link-break text-gray-500 hover:underline" href="http://prettyscrum.org">prettyscrum.org</a>

Pretty Scrum

Launched my first official startup focused on group buying to unlock special discounts. Aggregated individual orders and placed bulk purchases with wholesalers, passing volume discounts directly to customers. Achieved mid five-figure revenue within months by offering clear savings over traditional online retailers.

Hitkampagne – Volume Means Discounts

Built and grew the largest English learning community in Germany at the time, reaching nearly 70,000 students. Launched a personalized app in public beta (March 2021) offering tailored learning based on curricula and skill levels. Published a workbook to empower independent English learners and ran a website with free educational resources. The experience was a valuable step in product development and user-centered design.

Langoosh – Your Buddy for Learning English

Awarded €15,000 and the Volkswagen Digital Changemaker Award Developed a prototype platform to connect environmental activists, cities, and companies for urban greening projects. Enabled crowdfunding for green spaces, with shared project funding by citizens and businesses. Discontinued due to the COVID-19 pandemic.