Zakriya K.

⚡ Top Rated Plus | 100% Job Success | 8+ Years | AI SaaS Web & Mobile Apps I design, build and scale AI‑powered SaaS, web and mobile apps that actually ship, get users, and stay maintainable – not shiny AI demos that break in production. If you're a founder or product team and you need one engineer who can own your AI product end‑to‑end (React/Next.js web + React Native mobile + Node.js backend), you're exactly who I build for. 💡 What I help you ship Production‑ready AI SaaS dashboards and web apps (React / Next.js frontend, Node.js backend). Cross‑platform mobile apps in React Native (iOS & Android), integrated with your existing APIs and backend. AI chatbots and in‑app assistants for support, onboarding and internal knowledge bases (OpenAI‑style APIs, retrieval‑based Q&A). Content & workflow automation tools (summarization, drafting, text processing, data pipelines). New AI features inside existing products (smart search, recommendations, Q&A, document helpers, etc.). Robust APIs & backend systems (Node.js, Express.js, Nest.js, REST, GraphQL, background jobs). Database design, migrations and performance tuning (PostgreSQL, MySQL, MongoDB, DynamoDB, Firebase). Refactoring and performance optimization for existing React / React Native / Next.js / Node.js apps. 🛠 Tech I'm confident with Frontend: React, Next.js, TypeScript, Tailwind CSS, Material UI. Mobile: React Native (iOS & Android), Expo or bare workflow. Backend: Node.js, Express.js, Nest.js, REST APIs, GraphQL. AI & Python: OpenAI‑style APIs (chat/completions), retrieval‑based Q&A, Python services for data processing & automation. Databases: PostgreSQL, MySQL, MongoDB, DynamoDB, Firebase. DevOps & Cloud: AWS, Docker, CI/CD, Serverless. Realtime & Automation: WebSockets, Firebase, Playwright, Puppeteer, Selenium. 🏆 Why AI/SaaS clients work with me AI as a useful feature, not a gimmick – we start from your business use‑case and user flows, then design the AI around that. End‑to‑end partner – architecture, implementation, testing, deployment and iteration, not just "code delivery". Strong Upwork record – Top Rated Plus, 100% Job Success and fully satisfied, repeat clients. Clear, async‑friendly communication – regular updates, realistic timelines, and no vague promises. 📩 Tell me about your AI product Whether you're: validating a new AI‑driven MVP (web or mobile), or adding AI features to an existing SaaS / web / React Native app I can help design the architecture, ship the first version fast, then harden it for real users.