Senior Android & Kotlin Multiplatform Engineer helping startups and businesses build scalable, high-performance mobile apps used by millions of users.
Hello! I'm Sumit Sharma, a Senior Android Developer with 6+ years of experience building high-performance mobile applications, scalable architectures, and engaging user experiences.
Over the years, I have worked on products serving millions of users, including social media, live streaming, communication, and media streaming platforms. My expertise spans Android Native Development, Kotlin, Jetpack Compose, Kotlin Multiplatform (KMP), Clean Architecture, MVVM, Coroutines, Firebase, WebRTC, ExoPlayer, FFmpeg, and cloud-based mobile solutions.
One of my key achievements includes contributing to applications that have reached 10M+ downloads and 2M+ monthly active users while maintaining excellent performance, scalability, and user engagement. I have extensive experience building live streaming platforms, real-time messaging systems, payment gateway integrations, video processing pipelines, and highly optimized mobile experiences.
I specialize in:
• Android App Development (Native Kotlin)
• Jetpack Compose UI Development
• Kotlin Multiplatform (Android & iOS)
• App Architecture & System Design
• Firebase Integration
• Real-Time Chat & WebRTC
• Live Audio/Video Streaming
• ExoPlayer & Media3
• Performance Optimization
• Payment Gateway Integration
• Play Store Deployment & Release Management
• Code Reviews & Technical Consulting
My approach is simple: build clean, maintainable, scalable software that delivers business value while providing an exceptional user experience.
Whether you're building a new product from scratch, modernizing an existing application, migrating to Jetpack Compose, or adopting Kotlin Multiplatform, I can help turn your vision into a production-ready solution.
Let's build something amazing together.
Work Terms
• Available for Fixed Price and Hourly Projects
• Communication:
Regular progress updates via Freelancer Chat, Gmail, Google Meet, Zoom, Slack, or Microsoft Teams.
• Development Process:
Requirement Analysis → Architecture Planning → Development → Testing → Deployment → Post-Launch Support
• Availability:
Flexible working hours with overlap for international clients.
• Code Quality:
Clean Architecture, Industry Best Practices, Documentation, Maintainable Code, and Scalable Solutions.
• Delivery Commitment:
Transparent timelines, milestone-based execution, and timely delivery.
• Confidentiality:
NDA-friendly and committed to protecting client intellectual property and sensitive business information.
• Support:
Bug fixes, maintenance, feature enhancements, and long-term project support available after delivery.
My goal is to establish long-term partnerships by delivering reliable, scalable, and high-quality mobile applications.