Satvinder K.
Senior Full-Stack Mobile Developer | Flutter, React Native | iOS & And
I’m a Senior Full-Stack Mobile Developer with 10+ years of experience in building mobile apps, web platforms, marketplaces, SaaS products, admin dashboards, and AI-powered solutions for startups, businesses, and growing products. I specialize in Flutter, React Native, iOS, Android, React, Next.js, Node.js, REST APIs, Firebase, AWS, Google Cloud, PostgreSQL, MySQL, and MongoDB, handling the complete product lifecycle from UI implementation and backend development to integrations, testing, deployment, and post-launch support. 📱 What I Build • Flutter & React Native apps for iOS and Android • Full-stack mobile & web applications • Marketplaces, multi-vendor & e-commerce platforms • Fintech, payments & subscription apps • Social networking, community & discovery apps • Healthcare, wellness, fitness & care-based apps • Pet care & service applications • Real estate & property management platforms • Education & EdTech applications • Logistics, fleet management & field-service apps • Transportation, ride-booking & delivery apps • Food delivery & restaurant applications • Dating, matchmaking & location-based apps • Events, booking & scheduling platforms • SaaS, CRM & business management systems • AI-powered applications, chatbots & automation 🛠️ Core Expertise Mobile: Flutter, Dart, React Native, TypeScript, Kotlin, Swift Frontend: React, Next.js Backend: Node.js, REST APIs Database: PostgreSQL, MySQL, MongoDB, Firebase Cloud: AWS, Google Cloud, Firebase Integrations: Stripe/payments, Google Maps, GPS tracking, QR, push notifications, subscriptions, chat, real-time features and third-party APIs AI: OpenAI, Gemini, Claude, AI chatbots, recommendations, OCR and automation I can take your product from idea/Figma to production, including architecture, UI development, mobile apps, backend/API, admin panels, integrations, testing and App Store/Google Play deployment. My focus is on scalable architecture, clean code, strong UI/UX implementation, reliable communication and production-ready applications. Have an idea, Figma design, existing app or codebase? Send it over, and I’ll help define the right technical approach, scope and development roadmap. Let's connect and discuss your project in more detail!
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $4.6k
Billed in all: $137,356$137k
$2.3k in the last 6 months
Across 38 contracts
Earnings, last 30 days
Skill rankings: Top 12% in User Interface Design
Ranked by MRR among everyone on Upwork with the skill.
- #55App Store Optimization388 freelancers · 🇮🇳 #12Top 14%🇮🇳#12 of 93
- #84Mobile App Development Consultation334 freelancers · 🇮🇳 #34Top 25%🇮🇳#34 of 116
- #179FinTech802 freelancers · 🇮🇳 #19Top 22%🇮🇳#19 of 104
- #337Payment Gateway Integration2,302 freelancers · 🇮🇳 #156Top 15%🇮🇳#156 of 972
- #394Web Application Development2,030 freelancers · 🇮🇳 #123Top 19%🇮🇳#123 of 565
- #727Back-End Development4,183 freelancers · 🇮🇳 #138Top 17%🇮🇳#138 of 869
- #782RESTful API6,064 freelancers · 🇮🇳 #227Top 13%🇮🇳#227 of 1,592
- #827User Interface Design6,795 freelancers · 🇮🇳 #83Top 12%🇮🇳#83 of 875