Rajan S.

Full Stack AI, Mobile & Web Developer | React Native | Flutter | Node

10+ Years Experience | AI Applications | iOS & Android | Web Apps | SaaS | APIs I’m a Full Stack AI, Mobile & Web Developer with 10+ years of experience building reliable, scalable, and user-focused digital products for startups, businesses, and growing companies. I specialize in taking products from idea and MVP to production, covering everything from mobile and web development to backend architecture, APIs, databases, third-party integrations, AI features, and deployment. Whether you’re building a new product, improving an existing application, or looking for a long-term development partner, I can take ownership of the complete development process. What I Build ----------------- Mobile Apps iOS & Android applications React Native & Expo Flutter applications Native iOS (Swift) & Android (Kotlin) On-demand & delivery apps Healthcare & telemedicine apps Ride-hailing & mobility apps Marketplaces & eCommerce apps Booking & service platforms Social & community applications Subscription-based apps AI-powered mobile applications Web & Full Stack Development -------------------------------------- Custom web applications SaaS platforms Admin dashboards & business portals Marketplaces and eCommerce platforms Booking and management systems Customer/vendor platforms Responsive websites and web applications API-driven applications and integrations AI Development -------------------- OpenAI / ChatGPT integrations Anthropic / Claude integrations AI assistants and conversational applications AI-powered recommendations OCR and document processing Image and text analysis AI-powered search Content generation LLM-based SaaS products AI automation and workflows Tech Stack -------------- Frontend: React.js, Next.js, Nuxt.js, TypeScript, JavaScript, Tailwind CSS Mobile: Flutter, Dart, React Native, Expo, Swift, Kotlin Backend: Node.js, NestJS, Python, FastAPI, Django, PHP Database: PostgreSQL, MySQL, MongoDB, Firebase, Supabase Integrations: REST APIs, Stripe, payment gateways, authentication, maps/location, push notifications, real-time services and third-party APIs CMS & eCommerce: WordPress, Shopify, WooCommerce, custom themes, plugins and integrations Why Work With Me? ----------------------- I focus on more than just development. I work closely with clients to understand the business objective, user requirements, technical challenges, and long-term product roadmap before choosing the right approach. You can expect: ------------------- Clean, scalable and maintainable code Strong focus on performance and user experience Full-stack ownership from frontend to backend AI and third-party API integrations Existing application improvements and bug fixing Testing, optimization and production deployment Clear communication and regular progress updates 40+ hours/week availability Long-term development and maintenance support I’ve worked across different industries and product types, so I’m comfortable joining an existing development team, taking over an existing codebase, or building a product from the ground up. Have an idea, Figma design, MVP, existing application, or technical challenge? Send me the details and let’s discuss how we can turn it into a reliable, production-ready product.