Web Architecture
High-performance Next.js and React applications optimized for speed, SEO, and global scalability. SSR, ISR, and edge-network ready.
- Next.js SSR/ISR
- React + TypeScript
- Tailwind CSS
- SEO Optimized
Services
Full-Stack & Web3 Development Services
Mussawar Hayat is a full-stack developer specializing in Next.js, React, and Web3, based in Pakistan, available for remote freelance work with clients in North America and Europe. From React/Next.js frontends to Node.js backends, DevOps, and Solidity smart contracts — one developer, end-to-end delivery.
Mobile Solutions
Cross-platform mobile applications for iOS and Android with seamless native performance using React Native and Flutter.
- React Native
- Flutter
- iOS & Android
- App Store Deployment
Full-Stack Systems
End-to-end product engineering — robust backend infrastructure, real-time data pipelines, and tightly integrated frontend layers.
- Node.js + Express
- GraphQL & REST APIs
- PostgreSQL & MongoDB
- Real-time Data
UI/UX Engineering
Immersive digital interfaces built with precision — focused on user psychology, conversion flow, and animation-driven experiences.
- Figma Prototyping
- Framer Motion
- Design Systems
- Conversion Optimization
Web3 & Blockchain
Smart contract development, DApp architecture, and Web3 wallet integration — from ERC-20 tokens to multi-chain DeFi protocols.
- Solidity Smart Contracts
- Ethers.js Integration
- Hardhat Testing
- Multi-chain DeFi
Performance Ops
Deep optimisation of existing products — Core Web Vitals, bundle splitting, caching strategies, and Lighthouse audits.
- Core Web Vitals
- Lighthouse Audits
- Bundle Splitting
- CDN & Caching
Backend & API Dev
Scalable REST and GraphQL APIs with Node.js, Express, and PostgreSQL — including JWT auth, session handling, and protected route architecture.
- REST & GraphQL APIs
- JWT Authentication
- PostgreSQL & MongoDB
- Protected Routes
DevOps & Infrastructure
Multi-site VPS management, CI/CD pipelines via GitHub Actions, SSL via Certbot, and full email infrastructure with SPF, DKIM, and DMARC.
- Nginx & PM2
- GitHub Actions CI/CD
- SSL & Security Hardening
- Email Infrastructure
E-Commerce & SaaS
Production-grade e-commerce platforms and SaaS dashboards — product catalogues, payment gateways, subscription logic, and admin panels.
- Stripe Integration
- SaaS Dashboards
- Subscription Logic
- Admin Panels
Engagement Models
Clear options so you know how we work together. Exact numbers depend on scope — share your project for a concrete proposal.
Fixed-Price Projects
Best for well-defined scope: a marketing site, a specific feature, or a bounded MVP. You get a fixed quote and timeline up front.
Hourly / Time & Materials
Ideal when requirements may evolve. Transparent logging and regular check-ins. Suitable for ongoing product work and consulting.
Monthly Retainer
Reserved capacity each month for continuous development, maintenance, and iteration. Predictable cost for product teams that need steady progress.
Why Hire Mussawar Hayat
One Developer, End-to-End
- No handoffs between frontend, backend, and ops teams
- 3+ years building production web & mobile apps
- From first commit to VPS deployment — owned end-to-end
Built for Real Clients
- 40+ projects delivered across web, mobile, and Web3
- Clients across North America, Europe, and beyond
- Web3 capability without a Web3-only constraint
Ready to Start?
Describe what you are building. You will get a clear reply on fit, timeline, and engagement model — usually within 24 hours.