Senior Web3 Frontend Engineer | React/Next.js · Wagmi/Viem · DeFi & NFT dApp UI

I build polished, high-performance Web3 frontends that connect real users to on-chain products. From wallet connection flows and DeFi dashboards to NFT marketplaces and real-time trading UIs — I focus exclusively on the frontend layer where blockchain meets user experience.

What I deliver:

  • Multi-chain wallet UX — Wagmi, Viem, Dynamic, Sequence, RainbowKit, SIWE authentication; EVM (Ethereum, Arbitrum, Base, Polygon, Canto, Monad) and Solana
  • DeFi & NFT interfaces — trading dashboards, staking UIs, lending collateral flows, marketplace listings, real-time on-chain data via WebSockets and The Graph
  • React/Next.js architecture — TypeScript, TailwindCSS, Zustand, TanStack Query, Apollo GraphQL; clean, maintainable component systems
  • Performance-first — Lighthouse-optimized builds, 25%+ page load improvements, responsive design down to mobile
  • Smart contract integration — ABI wiring, event listeners, gas-aware UI patterns, transaction state management

Past highlights:

  • Architected a Canto NFT marketplace from cold-start to $10k+ in trading volume within 6 weeks of launch
  • Reduced wallet connection failures by 35% and improved onboarding speed by 20% on a live multi-chain platform
  • Cut auth time by 350ms with SIWE + NextAuth integration, lifting retention by 15%
  • Scaled a Web2/Web3 hybrid platform to 100k+ MAU with a 20% engagement improvement
  • Modernized a 40k+ LOC React codebase, cutting page load by 25% and production errors by 40%

I care about the craft of Web3 UI — wallet flows that don't fail, transaction feedback that's clear, and interfaces that feel as polished as Web2. If you need a senior frontend engineer who knows the blockchain layer deeply, let's talk.

Terms of work
43/h
2 hour delivery
ETH, USDT, TIME
+53

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