Senior mobile & full-stack developer
I build production-ready Flutter applications, native mobile integrations, private on-device AI, and maintainable full-stack products. With 11+ years of experience, I help teams ship reliable software and improve applications already in production.
Featured Work
Featured case study
2025 · Mobile App Development
Built with Flutter for iOS and Android, RE Investor Hive brings investors, agents, lenders, contractors, and service providers into one focused mobile community for networking, deal discovery, events, and direct collaboration.
View case study
2025 · React Native App Development
A polished React Native birthday organizer with smart reminders, fast imports, and simple ways to celebrate the people who matter.
2025 · Flutter & Real-Time Communications Development
A Flutter online-therapy platform connecting people with culturally aware therapists through GetStream-powered chat and video sessions.
2026 · Flutter App Development
A Flutter application that uses AI to turn photos of interiors, exteriors, and gardens into photorealistic redesign concepts.
2026 · Web Platform & Dashboard Development
A senior-care assessment platform and role-based dashboard that turns patient information into personalized care recommendations.
Flutter, AI & Product Services
Production-ready Flutter applications designed for maintainability, native performance, and dependable releases.
Flutter · Dart · Android · iOS
Explore this serviceCustom mobile product delivery across Flutter, Android, iOS, APIs, integrations, testing, and release operations.
Focused delivery · Long-term support
Explore this servicePractical AI applications and MVPs using LLMs, retrieval, multimodal workflows, and on-device or cloud inference.
Focused delivery · Long-term support
Explore this serviceAI agents and workflow automation connected to business tools, governed data, approvals, and reliable fallbacks.
Focused delivery · Long-term support
Explore this serviceFlutter upgrades, dependency migrations, performance improvements, release support, and long-term ownership of existing applications.
Upgrades · Stability · Release support
Explore this serviceOpen-source Flutter engineering
I publish and maintain Flutter packages for on-device AI, native media, geospatial workflows, and platform integration.
Offline whisper.cpp bindings for transcription, translation, streaming, and voice activity detection in Flutter.
Community-maintained TensorFlow Lite Flutter plugin with a fast Dart FFI API for on-device inference across mobile and desktop platforms.
Verified client feedback
Authentic feedback from completed client projects. Identities are withheld for privacy.
Verified Upwork reviewFlutter application development · Oct 2024
“Gurwinder Singh is a fantastic developer. He quickly understood the project requirements and delivered the Flutter app ahead of time. His communication was clear and timely, and he always provided insightful suggestions to improve the app. Gurwinder made security a priority and paid attention to every detail to ensure a smooth user experience. His professionalism and responsiveness made working with him a pleasure. I highly recommend Gurwinder for any project and look forward to working with him again.”
- Clear Communicator
- Reliable
- Collaborative
- Committed to Quality
- Detail Oriented
- Professional
- Solution Oriented
Verified Google reviewiOS subscriptions and Firebase integration
“Absolutely stellar experience! Skyno Digital helped me untangle App Store Connect approval hurdles and seamlessly integrate RevenueCat, then went above and beyond to optimize our Firebase Cloud Storage setup. Their expertise is obvious, but what really stood out was their responsiveness. Despite the time zone gap, I heard from them every day with clear updates and patient guidance. They were polite, professional, and truly committed to delivering results. If you need mobile-app or Firebase support, do yourself a favor and work with Skyno Digital. You’ll be glad you did!”
- Responsive
- Clear Communicator
- Patient
- Professional
- Committed to Quality
Verified Upwork reviewReceipt-scanning Flutter application · Sep 2025
“It was amazing working with gurwinder, he is patient, honest and willing go the extra mile to help clients do the right thing. Will highly recommend”
- Collaborative
- Professional
- Solution Oriented
Verified Upwork reviewiOS audio recording integration · Sep 2023
“On time delivery and excellent comms, looking forward to working in future as well.”
- Clear Communicator
- Reliable
About Gurwinder
For more than 11 years, I have worked across Flutter, native Android and iOS, backend systems, web products, and production delivery.
I help teams build applications, improve existing products, integrate private on-device AI, create Flutter plugins, and maintain software for the long term.
Stack & tools
Latest Insights
Build offline speech-to-text in Flutter with flutter_gemma and flutter_gemma_speech. Install Moonshine, capture PCM audio, and transcribe fully on-device.
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Implement private, offline Whisper speech-to-text in Flutter with model downloads, WAV transcription, live microphone streaming, and performance tips.
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Engagement fit
Best suited to teams that need senior, hands-on engineering and direct technical ownership.
Flutter products, native integrations, on-device AI, and modernization.
Focused delivery, technical audits, or ongoing maintenance and support.
Share the context to receive a fit assessment and concrete next steps.
Need a reliable technical partner?
Tell me what you are building, what is already in production, and whether you need a focused integration or a long-term engineering partner.