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9+ years Android • DAZN (60M+ users) • Available immediately
Dawid Niedźwiecki
Senior Android Developer
Worked on Apps Serving 0M+ Users
Kraków, Poland
Building scalable mobile solutions and providing expert consulting. Specialized in Android development with modern architecture, helping companies like DAZN reach millions of users.
Services I Offer
Professional development services for your next project
- ✓Native Android development (Kotlin, Jetpack Compose)
- ✓Native iOS development (Swift, SwiftUI)
- ✓Cross-platform with Kotlin Multiplatform (KMP)
- ✓React Native applications
- ✓MVI/MVVM/Clean Architecture
- ✓App Store & Google Play publishing
- ✓Maintenance and updates
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- ✓Kotlin Multiplatform (KMP) - shared business logic
- ✓Android app with Jetpack Compose
- ✓iOS app with Compose Multiplatform
- ✓Web application (React, Next.js, or Compose for Web)
- ✓Desktop app (Compose Multiplatform)
- ✓Backend API (Ktor, Spring Boot, or Node.js)
- ✓Shared codebase - up to 80% code reuse
- ✓CI/CD pipelines and deployment
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- ✓Landing pages and portfolios
- ✓E-commerce websites with payment integration
- ✓Admin panels and dashboards
- ✓Progressive Web Apps (PWA)
- ✓SEO optimization
- ✓Responsive design (mobile-first)
- ✓Email integration and automation
- ✓Hosting and deployment
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- ✓Architecture reviews and recommendations
- ✓Performance optimization and profiling
- ✓Legacy code refactoring and modernization
- ✓Migration to Jetpack Compose
- ✓Implementation of MVI/MVVM patterns
- ✓CI/CD setup and optimization
- ✓Code reviews and best practices
- ✓Technology stack evaluation
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Services Portfolio
Examples of mobile and web projects I've built for various industries
Ready to Build Your Project?
These are example projects showcasing the types of solutions I can build. Let's discuss your vision and create something amazing together.
My Development Process
A proven methodology for delivering high-quality mobile applications
Discovery
Understanding your business goals, target audience, and technical requirements. We analyze competitors and define the product vision together.
Architecture
Planning a scalable, maintainable solution with modern architecture patterns. Designing the technical stack and development roadmap.
Development
Building with industry best practices, clean code, and rigorous testing. Regular updates and demos keep you in the loop throughout.
Support
Ongoing maintenance, performance monitoring, and feature updates. Ensuring your app stays current with platform changes.
Transform Your Business withMobile Excellence
Partner with a senior developer who understands both code and business. Available for full-time positions, contract work, and consulting engagements.
Faster Development
Modern architecture and proven patterns accelerate delivery. Get to market 30% faster with clean, maintainable code.
Scalable Architecture
Built to grow with your business. Handle millions of users with MVVM, Clean Architecture, and proper dependency management.
Business-Focused
Code that drives ROI. Performance optimizations, analytics integration, and features that users actually want.
Modern Tech Stack
Kotlin, Jetpack Compose, Coroutines, Flow. Your app stays current with the latest Android best practices.
Services Offered
From full-time development to consulting and code reviews—flexible engagement models to fit your needs.
- Launch your MVP in 8-12 weeks
- Scale to millions of users
- Architecture consulting & code reviews
- Technical leadership & mentoring
Users Reached at DAZN
Senior Android DeveloperAvailable for Opportunities
Experienced mobile developer seeking challenging roles in product-focused companies
Technical Skills
Key Highlights
- Senior Android Developer with 9+ years experience
- Contributed to DAZN app serving 60M+ users worldwide
- Expert in Kotlin, Jetpack Compose, Modern Architecture
- Available for full-time or contract positions
- Remote work or Krakow, Poland
Recent Experience
Get in Touch
Choose your path:
Need Development Services?
Perfect for businesses looking for mobile/web development
What you'll get:
- ✓Free project consultation
- ✓Service details and pricing
- ✓Portfolio and case studies
- ✓Next steps for your project
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