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Bloom

Build and share mobile apps in seconds

Y CombinatorSpring 2025ActiveB2BEngineering, Product and Design

What they do

Problem

Building and testing functional cross-platform mobile apps with a working backend quickly is slow and complex for non-experts and developers alike.

Solution

Bloom is a vibe-coding platform that generates cross-platform mobile apps and deploys a backend automatically so users can test natively on their phones in seconds.

Who it's for

Indie developers, makers, and small teams building MVPs and personal mobile apps.

Founders

David Oort Alonso
Founder

Building Bloom

LinkedIn · X
Sirian Maathuis
Founder

Designer that also builds things. Now helping others do the same with Bloom.

LinkedIn · X

Open roles 4

Founding Engineer
Zürich, ZH, CH / Remote · Full-time · $150K - $250K · 0.50% - 2.00%
Apply ↗
Founding Creator / Head of Production
Zürich, ZH, CH / Zürich, Zurich, CH · Full-time · $80K - $150K · 0.10% - 0.48%
Apply ↗
AI Engineering Student Internship (Winter or Summer 2026)
Zürich, ZH, CH · Internship · $6K - $14K / monthly
Apply ↗
Founding Growth Engineer
Zürich, ZH, CH / Zürich, Zurich, CH · Full-time · $80K - $150K · 0.20% - 1.30%
Apply ↗

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