Samad K.
Full-Stack Web & Mobile Dev | Next.js, Node.js, React Native, Flutter
Full-Stack Web & Mobile Engineer with 9+ years of experience building high-performance Next.js applications, custom React platforms, and cross-platform mobile apps for iOS and Android. As a former senior agency lead developer, I help startups and businesses transform complex technical requirements into clean, scalable, and high-converting web and mobile products built for speed, seamless UX, and top Google PageSpeed performance. CORE TECHNICAL CAPABILITIES: • Frontend & Web Apps: React.js, Next.js, TypeScript, Tailwind CSS, Redux • Mobile Development: React Native, Flutter, iOS (Swift), Android (Kotlin/Java) • Backend & Databases: Node.js, Express, Supabase, PostgreSQL, MongoDB, REST & GraphQL APIs • Performance & Architecture: Core Web Vitals, Mobile-First Optimization, Figma to Clean Code WHY CLIENTS PARTNER WITH ME: ✔Clean, scalable, hand-coded architecture instead of bloated templates or slow wrappers. ✔Optimized web and mobile codebases engineered for speed, low latency, and high conversion. ✔From database design and custom API integrations to sleek UI execution and App Store / Cloud deployments. Whether you are launching a new Next.js platform, building a cross-platform mobile app, or rebuilding an existing system, send me a message with your scope or wireframes to discuss your goals. Thanks! Samad K
Earnings and projects
Last 6 months ÷ 2, the fewest it counts (since Oct 2026)
Read daily since Oct 21, under 30 days
$1.5k in the last 6 months
Earnings, last 30 days
Tracked from Oct 21, 2026.
Skill rankings: Top 8% in Cross-Browser Compatibility
Ranked by MRR among everyone on Upwork with the skill.
- #4Cross-Browser Compatibility48 freelancers · 🇺🇸 #2Top 8%🇺🇸#2 of 8
- #158FlutterFlow834 freelancers · 🇺🇸 #7Top 19%🇺🇸#7 of 27
- #456GraphQL3,403 freelancers · 🇺🇸 #25Top 13%🇺🇸#25 of 197
- #588iOS3,908 freelancers · 🇺🇸 #66Top 15%🇺🇸#66 of 296
- #745Back-End Development4,183 freelancers · 🇺🇸 #67Top 18%🇺🇸#67 of 287
- #871REST API5,062 freelancers · 🇺🇸 #73Top 17%🇺🇸#73 of 271
- #916Tailwind CSS6,978 freelancers · 🇺🇸 #55Top 13%🇺🇸#55 of 334
- #964Android App Development6,395 freelancers · 🇺🇸 #83Top 15%🇺🇸#83 of 359