Senior Developers Building World-Class Apps
AppBaumeister Collective is a senior-only development team specializing in mobile applications that scale.
Every member has 10+ years of hands-on experience building apps for DAX companies, streaming platforms with millions of users, healthcare systems, and market-leading real estate platforms.
What sets us apart: We operate as a collective of equals, not a traditional agency hierarchy. This means you work directly with senior specialists who own their craft - no account managers, no juniors learning on your budget. Each project gets the exact expertise it needs, whether that's healthcare compliance, high-performance streaming, or e-commerce at scale.
Our three core services
- App Maintenance & Updates - Keep your app current with platform requirements, security patches, and performance optimization
- Feature Development Extend existing apps with AI integrations, modern UI/UX, or new business capabilities
- End-to-End Development - From concept through App Store launch, including backend, infrastructure, and ongoing support
Technical Excellence
We master the full mobile stack: Kotlin, SwiftUI, React Native, Flutter, plus backend technologies like Node.js, Python, and cloud platforms (GCP, AWS). Our code follows Clean Architecture principles, comprehensive testing, and security-first approaches that pass enterprise audits.
Why growing companies choose us
- Proven track record with critical healthcare infrastructure (ePA)
- Apps serving millions of daily active users
- German engineering standards with startup agility
- Transparent communication and realistic timelines
- Long-term partnership approach, not just project delivery From ambitious startups needing their first MVP to established brands requiring digital transfo
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Min project size
$5,000+
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Hourly rate
$100 - $149 / hr
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Employees
10 - 49
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Locations
Bad Bramstedt, Germany
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Year founded
Founded 2025
1 Locations
- Bad Bramstedt , Germany
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