Ariful W.

There's a big gap between a demo and a product people actually pay for. That gap is where I work with you: React Native mobile apps, Next.js web apps and AI agents, taken from idea or half-built code to live with real users and real billing. Trusted by 50+ global clients across SaaS, EdTech, marketplace platforms and AI automation, with dozens of mobile apps live on the App Store and Google Play, and web apps and AI agents running on AWS, GCP, Railway, Render and Vercel. ==================================== 📱 MOBILE APPS (iOS & ANDROID) React Native, Expo and Flutter, from MVP to Store. Auth, push notifications, real-time features, in-app subscriptions and free trials, TestFlight, App Store and Google Play submission, and the review rejections nobody warns you about. Takeovers welcome: if your app was built in Lovable, Base44, by an agency, or by a developer who disappeared, I'll audit it, fix it and ship it. ==================================== 🌐 WEB APPS & SAAS Next.js, React, TypeScript, Node.js, Postgres and Supabase. Multi-tenant SaaS with row-level security, admin dashboards, marketplaces and B2B operations platforms. Built to scale and deployed on Vercel, Railway, Render or AWS. I spent 6 months as lead on a video app platform, covering the app, the backend and the DevOps. ==================================== 🤖 AI AUTOMATION & VOICE AGENTS AI phone agents that answer and make real calls, then record, transcribe, summarise and sync every call to your CRM. Replies in about 1.5 seconds. Plus document extraction, RAG search over your own files, sales and CRM workflows, social media bots and n8n automations. If you do it by hand every week, I'll make it run itself. ==================================== 💳 PAYMENTS & SUBSCRIPTIONS Stripe subscriptions, free trials, usage-based billing, customer portals, spending caps and webhooks that survive API version changes. Apple and Google in-app purchases, sandbox and production. Billing is where apps quietly lose money, so I test every state before launch: renew, cancel, expire, restore. ==================================== Some APIs and platforms I've built with: Stripe API, Apple In-App Purchases, Google Play Billing, OpenAI API, Anthropic Claude API, Twilio API, Vonage Voice API, AssemblyAI, Deepgram, Fish Audio, ElevenLabs, TwelveLabs, HubSpot API, Google Calendar API, Google OAuth, Supabase, Expo EAS, AWS, Telegram Bot API, Buffer API, n8n, LangChain, ClickPesa, Vercel, Railway, Render and more. ==================================== There's a reason clients come back: I tell you honestly what's a weekend fix and what's a month-long build, then I deliver it. If your app is stuck between demo and launch, send me what you have.