Senior Full Stack Engineer | React, Node.js, Blockchain & AI
I help startups and global companies build fast, scalable, production-ready web, mobile, and blockchain solutions — from DeFi apps to enterprise LMS portals.
🌐 Portfolio: hamzakhann.vercel.app
📝 Blog & Tech Writing: streetlearner.vercel.app
📫 Contact: LinkedIn | Email
Frontend: React.js | Next.js | Vue.js | Nuxt.js | TypeScript | Tailwind CSS | Redux | Pinia | Vuex | Styled Components | Chakra UI
Mobile: React Native
Backend & APIs: Node.js | Express.js | Nest.js | GraphQL | Apollo | REST API | MongoDB | PostgreSQL | Redis
Blockchain: NEAR | Ethereum | Solana | Smart Contracts | DEXs | NFTs
Cloud & DevOps: Docker | AWS | Firebase | CI/CD (GitHub Actions, Jenkins)
Testing & Architecture: TDD | Jest | React Testing Library | Microservices | Micro-frontends | Clean Architecture
Monitoring: Prometheus | Grafana | Sentry
- Decentralized Exchanges: Elektrik (Lightlink) & Jump Defi (NEAR) — swaps, pools, TWAPs & governance modules.
- BullionFx (CEX): Core order book & trading features in a mobile app.
- OTT Platforms: Dame Dash Studios, YZY TV — Stripe, Agora chat, in-video purchases.
- AI Platforms: Talent-matching & call center solutions with d3.js visualizations.
- Enterprise LMS: Serving 100k+ students, React-powered admin panel.
- Freelance Work: Rightbound, HolonIQ, Valohai, Alpha Plus EdTech.
- Solidity Smart Contract Developer – Cyfrin Updraft | Jan 2024
- Blockchain Specialization – University at Buffalo | Jan 2024
- Microfrontends with React – Udemy | Oct 2023
- AWS Serverless Fundamentals – AWS | Mar 2020
- Full-Stack Web Development with React – HKUST | May 2019
Hackathons & Competitions:
- 2nd Position, Solana Breakout,
- Participated in Eth Online Hackathon
- Solana Cypherpunk Hackathon – Participated and received an honorable mention
- Expertise in building scalable, high-performance web & mobile applications
- Strong architectural vision and clean, maintainable code
- Focus on user experience, performance, and reliability
- Agile, test-driven development approach with results-oriented delivery
