MUHAMMAD DAUD RAZZAQ KHAN
📍 Currently in Saudi Arabia
📞 Mobile: +966 57 530 8267
📧 Email: [email protected]
🌐 Portfolio: daudrazzaq.me
PROFESSIONAL SUMMARY
Results-driven Full Stack Developer with 4+ years of experience building and shipping production web and mobile applications end to end, specializing in React.js, Next.js, React Native, TypeScript, Node.js, Python and cloud/serverless architecture. Experienced in REST API and GraphQL design, SQL and NoSQL data modelling, secure authentication (JWT, OAuth 2.0, RBAC), payment gateway integration, and AI/LLM integration. Delivered production systems for clients across Saudi Arabia and the wider MENA region, the USA, UK, Canada and Australia — including a B2B commerce and inventory platform live on the App Store and Google Play, a bilingual Arabic/English (RTL) marketplace built for MENA users, and SEO-first Next.js websites scoring 100/100 on Lighthouse. B.S. Software Engineering; Meta and IBM certified. Based in Riyadh on a Transferable Iqama and available to join immediately.
PROFESSIONAL EXPERIENCE
Full Stack Engineer — Webexhaust, Islamabad, Pakistan (Remote) Oct 2025 – Jun 2026
Built and shipped production mobile and web applications end to end, owning the full stack from React Native and Next.js interfaces through Node.js and Python (Django) service layers, REST API design and database schema modelling.
Designed and implemented secure authentication and authorization systems using JWT, Firebase Authentication and Role Based Access Control (RBAC), connected to typed client data layers with React Query, Redux and Axios interceptors.
Optimized performance across the stack through API response and database query optimization, plus reduced render cycles, lazy loading and caching on the client — delivering faster load times and a consistent 60fps user experience.
Established reusable component libraries and a modular architecture that cut feature delivery time across multiple concurrent client projects.
Owned CI/CD pipelines, environment configuration, code reviews and App Store / Google Play release management within a Git-based Agile workflow.
Full Stack Engineer — 7 Kings Code Pvt Ltd, Lahore, Pakistan (On-site) Mar 2025 – Sep 2025
Developed cross platform mobile and web products with modular, scalable feature architecture and shared design systems, delivering consistent user experience across iOS, Android and browser.
Built and consumed RESTful API services, integrated third party SDKs and payment gateways, and implemented secure server side transaction and webhook handling.
Partnered with designers and backend engineers on API contracts, data models and release planning, translating business requirements into production ready full stack features.
Full Stack Engineer — Wise360 Solutions (SMC-Pvt) Ltd, Abbottabad, Pakistan (On-site) Feb 2023 – Mar 2025
Delivered features end to end across 2+ years of continuous production delivery, building React Native and React front ends backed by Node.js and Firebase services (Authentication, Firestore, Cloud Functions, Cloud Messaging), including REST integrations and third party service configuration.
Reduced application load times by approximately 30% through API response optimization, caching strategies and client side performance profiling.
Designed advanced Android and iOS features with clean, modular, maintainable code, and contributed to code review, testing and Agile ceremonies.
PROJECTS
WholesaleEZ — B2B Commerce & Inventory Platform (Live on App Store & Google Play)
Technologies: React Native, TypeScript, Python (Django), REST APIs, Redux, Zustand, QuickBooks API, Payment Gateways
Engineered an enterprise grade B2B marketplace connecting suppliers, vendors and warehouses, with Role Based Access Control (RBAC), order-on-behalf workflows and an automated order lifecycle across client and server.
Built multi warehouse real time inventory tracking to prevent overselling, secure payment gateway integration for online B2B transactions, and REST API layers optimized for large product catalogs.
Integrated the QuickBooks API for automated financial synchronization, and developed vendor credit analytics, KPI dashboards and automated PDF invoicing.
ZolMarket — Bilingual Arabic/English Classifieds Marketplace (MENA)
Technologies: React Native, TypeScript, Firebase, Cloud Functions, Stripe, Cloudflare R2
Built a fully bilingual Arabic/English marketplace with complete right-to-left (RTL) layout support, moderated listings, in-chat price negotiation and a seller reputation system for MENA users.
Implemented Stripe powered featured ad monetization with server side webhook handling, a Firebase backend and Cloudflare R2 media storage for cost efficient scale.
Aureon Studio — Production Website for a London Interior Architecture Firm (aureonstudio.co.uk)
Technologies: Next.js, TypeScript, Tailwind CSS, Framer Motion, Vercel Serverless Functions, Resend API
Designed and developed an SEO-first Next.js website with structured data, Core Web Vitals optimization, Framer Motion animation and an enquiry plus WhatsApp conversion flow, achieving a 100/100 Lighthouse SEO score.
Engineered serverless infrastructure on Vercel with Resend API transactional email workflows, custom domain and DNS configuration, and edge optimized hosting for sub-second load times.
AI Interview Facilitator — Computer Vision & LLM Interview Platform
Technologies: React Native, Python (Flask), Google Gemini, OpenAI Whisper, MediaPipe, OpenCV, PyTorch, Firebase
Architected a full stack AI mock interview platform: a Python (Flask) backend performing resume parsing, Gemini tailored question generation, Whisper speech transcription and MediaPipe nonverbal analysis, served to a React Native client.
Achieved approximately 95% facial expression recognition accuracy and 85% NLP follow-up relevance, supporting 100+ concurrent users on Firebase with roughly 30% faster response times than the prototype.
Ethereya — AI Powered Wellness App with Premium Subscriptions
Technologies: React Native, TypeScript, TanStack React Query, Reanimated, Axios, REST APIs
Delivered a subscription-based AI guidance product with LLM generated personalized reports and a conversational chatbot supporting multipart uploads (images, PDF, DOC) through a secured API layer, with a Reanimated UI, Axios token interceptor route protection and performance tuning via lazy loading, memoization and React Query caching.
TrendUpCoin (TUP) — Web3 Token Website & Decentralized Community Platform (trendupcoin.com)
Technologies: React, Next.js, Node.js, Web3.js, Solidity, Ethereum
Built the production website for an ERC-20 Ethereum token with wallet connectivity, tokenomics content and a conversion focused landing experience, plus a companion decentralized social platform with a real time feed, on-chain proposal voting an