Sunil Saini
Building high-performance mobile experiences
Flutter & React Native developer with 4+ years crafting production apps for fintech, real-time communication, and SaaS platforms.
Years Experience
Apps Delivered
Downloads
SaaS & Real-time Systems
Featured Projects
Production apps serving thousands of users across fintech, social video, and SaaS verticals.
Tapsy
TikTok-Style Video Marketplace
A video-first brand discovery platform with in-app video recording and editing, real-time messaging and calling, QR-based review system, Google Maps integration, and AI-assisted onboarding.
- • In-app video recording & editing
- • Real-time messaging & calling
- • QR-based review system
- • Google Maps integration
- • AI-assisted onboarding
Krijuna
Stock Market & Automated Trading
A high-performance stock market and automated trading application with master-slave order routing, real-time market alerts, subscription payments, and native Kotlin background processing.
- • Master-slave order routing
- • Real-time market alerts
- • Subscription payments
- • Native Kotlin background processing
Jyotisham Astrologer
Voice/Video Consultation Platform
A live consultation platform with booking, voice and video calls, live streaming, wallet-based payments, and real-time session management.
- • Consultation booking
- • Voice & video calls
- • Live streaming
- • Wallet & payment system
React Native Showcase
Avendy
Event Management & Vendor Platform
A comprehensive event management platform where shoppers discover, book, and manage vendors in one place - with built-in rewards, ratings, and a personalized brand assessment tool for vendors.
- • Vendor discovery & booking
- • Rewards on every transaction
- • Vendor ratings & reviews
- • Brand assessment tool
- • Event bidding system
Published Apps
Production apps live on the Google Play Store serving real users.
Chokidaar HRM
HRMWorkforce management, attendance tracking, and employee operations platform.
Google Play
App Builder
SaaS / No-codeApplication creation and business tools platform for non-technical users.
Google Play
Mobix Commerce
E-commerceMobile commerce and business management application for online sellers.
Google PlayTech Stack
Tools and technologies I use to build production-grade mobile applications.
Work Experience
Professional journey building mobile applications at scale.
Mechlin Technologies
Software Development Engineer II (SDE 2)
2025 – PresentLeading mobile development for enterprise clients, architecting scalable Flutter applications and driving technical decisions across cross-functional teams.
- • Architected multi-module Flutter apps
- • Integrated WebRTC for real-time features
- • Led code reviews & technical planning
- • Mentored junior developers
- • Implemented CI/CD pipelines
- • Owned end-to-end feature delivery
Software Development Engineer I (SDE 1)
2024 – 2025Built and shipped cross-platform mobile features, collaborated closely with product and design, and contributed to core architecture decisions.
- • Developed key Flutter modules
- • Integrated third-party SDKs & APIs
- • Improved app performance metrics
- • Supported App Store & Play Store releases
Saini Web Solutions
Full-Stack Mobile Developer
2022 – 2024Built end-to-end mobile solutions from ideation to deployment, managing client relationships and delivering production apps.
- • Delivered 15+ production apps
- • Built custom Laravel APIs
- • Managed client relationships
- • Handled Play Store & App Store deployments
System Architecture
Modern mobile architecture from client to cloud.
Mobile Client Layer
Cross-platform UI with offline cache and state.
Backend & API Layer
Authenticated APIs with validated business logic.
Data & Cloud Services Layer
Databases plus managed auth, push, and analytics.
From idea to store launch, step by step.
A full mobile product cycle -we need to architecture, shipping, and everything between.
Discover
- Core problem
- User personas
- Success metrics
Design
- Screen flows
- UI systems
- Micro-interactions
Build
- Flutter & React Native
- Clean architecture
- State management
Connect
- REST & GraphQL
- Firebase & WebRTC
- Payments & push
Test
- Real devices
- iOS & Android
- Edge cases
Ship
- Play Store
- App Store
- Live monitoring
Get in Touch
Open to remote opportunities, freelance projects, and interesting collaborations.