Available for work
Hi, I’m Lennart Brandt. I help teams design and code beautiful, reliable apps with React Native.
A few brandtnew things I’ve made or contributed to. Real apps, designed and developed from start to finish.
Design
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Development
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Founded
Roamwise. A privacy-first mobile app I created to help travelers, digital nomads, and expats stay compliant with tax residency and visa rules.
Development
ClassNinjas. A playful math learning app featuring interactive courses and daily practice for students — developed for okaybueno.
Design
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Development
Yunipals. A web app for collecting animated NFT creatures — over 2.7 million booster packs opened and counting.
Thoughtful design, solid code, happy teams. Hear it from the people I’ve worked with.
„Lennart handled both design and development, which made the whole process smooth and efficient. Having one person do both at such a high level was a game-changer.“
Dr. Daniel Voigt
„Lennart’s attention to detail is next level. He brought thoughtful motion and micro-interactions that made the app feel incredibly refined, making the product truly stand out.“
David Dickopf
„Lennart was a true partner on the project. He worked independently but kept us updated, made smart decisions, and delivered exactly what we needed.“
Sumit Kumar
Over a decade of experience, a proven track record, and the right tools. Here’s what makes working with me brandtnew.
Over 10 years of experience in product design and development. I design and code beautiful apps.
Available
