Adarsh K.
Full-Stack React/Next.js Developer Node.js | Capacitor | iOS & Android
I’m a Full-Stack Developer with 7+ years of experience building modern web applications, SaaS platforms, and cross-platform mobile apps using React, Capacitor, Node.js, Next.js, ElectronJS and Laravel. I specialize in helping startups and businesses build, improve, and launch production-ready applications — including converting React, Vite, and PWA projects into iOS and Android apps using Capacitor. 🦾 What I Can Help You With ✅ React & Next.js web application development ✅ Capacitor iOS & Android app development ✅ React/Vite/PWA to mobile app conversion ✅ SaaS platform development ✅ Node.js / Express.js backend development ✅ Laravel & PHP development ✅ REST API development & third-party integrations ✅ Stripe payments & subscription systems ✅ RevenueCat integration for in-app purchases and subscriptions ✅ Apple In-App Purchases & Google Play Billing ✅ Authentication, dashboards & admin panels ✅ App Store & Google Play deployment ✅ Bug fixing, optimization & existing codebase improvements ✅ Responsive and pixel-perfect Figma implementation 🤖 AI & Vibe Coding Platforms I have hands-on experience with modern AI-assisted development platforms including Base44, Replit, Lovable, Cursor, Claude Code, and similar tools. I can help with: ✅ Building MVPs quickly using AI-assisted workflows ✅ Improving and extending Base44, Replit, or Lovable applications ✅ Fixing bugs and cleaning up AI-generated code ✅ Connecting APIs, databases, authentication, and payments ✅ Turning prototypes into scalable production-ready applications ✅ Migrating AI-generated apps to React, Next.js, Node.js, or Laravel ✅ Reviewing architecture, performance, and security before launch 💻 Tech Stack Frontend: React.js, Next.js, TypeScript, JavaScript, Redux Toolkit, React Query, Tailwind CSS, Material UI, HTML5, CSS3 Mobile: Capacitor, React, iOS, Android, React Native / Expo Backend: Node.js, Express.js, Laravel, PHP, REST APIs Databases: PostgreSQL, MySQL, MongoDB, Supabase Payments & Subscriptions: Stripe, RevenueCat, Apple In-App Purchases, Google Play Billing Cloud & Deployment: AWS EC2, Vercel, Netlify, Railway, GitHub Actions Mobile & Development Tools: Xcode, Android Studio, Gradle, TestFlight, App Store Connect, Google Play Console, Firebase, Git, GitHub, GitLab, VS Code, Cursor, Claude Code, Postman, Figma, Docker 🤝 Why Work With Me? 🟢 7+ years of development experience 🟢 Experience building projects from scratch and improving existing products 🟢 Clean, maintainable, and scalable code 🟢 Clear communication and reliable delivery 🟢 Flexible across different time zones 🟢 Production experience with web, SaaS, iOS, and Android applications Whether you need a SaaS platform, React application, Capacitor mobile app, subscription system, API integration, or help improving an existing product, I can help take your project from idea to production. 🤙 Send me a message and let’s discuss your project.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $9.3k
Billed in all: $19,509$20k
$1k in the last 6 months
Across 34 contracts
Earnings, last 30 days
Skill rankings: Top 6% in Bootstrap
Ranked by MRR among everyone on Upwork with the skill.
- #132Nuxt.js1,349 freelancers · 🇮🇳 #16Top 10%🇮🇳#16 of 202
- #358NestJS3,757 freelancers · 🇮🇳 #67Top 10%🇮🇳#67 of 638
- #387ExpressJS5,651 freelancers · 🇮🇳 #96Top 7%🇮🇳#96 of 1,371
- #409Bootstrap6,899 freelancers · 🇮🇳 #107Top 6%🇮🇳#107 of 1,960
- #608CSS 39,914 freelancers · 🇮🇳 #136Top 6%🇮🇳#136 of 2,647
- #740Vue.js8,267 freelancers · 🇮🇳 #136Top 9%🇮🇳#136 of 1,726
- #1,387HTML18,716 freelancers · 🇮🇳 #254Top 7%🇮🇳#254 of 3,962
- #1,766Next.js15,954 freelancers · 🇮🇳 #374Top 11%🇮🇳#374 of 3,554