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Web3 Development — Full-Stack dApps, Subgraphs, and Wallet Integration

We build full-stack Web3 applications: Next.js/React frontends, The Graph subgraphs, smart contract integration, wallet connection, and account abstraction.

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Overview

Web3 development services: Full-stack dApp development with Next.js/React frontends, smart contract integration (read/write), The Graph subgraphs for on-chain data indexing, wallet connection (WalletConnect, MetaMask, social login), account abstraction (ERC-4337), and real-time blockchain data via WebSockets. We build...

  • React/Next.js
  • wagmi/viem
  • The Graph
  • WalletConnect

Technical deliverables

  • › Auditable smart contract source code (verifiable)
  • › Test suite with CI integration
  • › Deployment scripts and infra as code
  • › Monitoring dashboard and runbooks

Integrations

Common integrations: The Graph, Alchemy/Infura, OpenZeppelin Defender, and popular wallet providers.

Timeline

  1. 1

    Discovery

    1-2 weeks

    Clarify requirements, compliance needs, architecture risks, and launch goals.

  2. 2

    Build

    3-8 weeks

    Implement core contracts, integrations, product flows, tests, and deployment automation.

  3. 3

    Launch

    1-2 weeks

    Run QA, prepare audit handoff, deploy infrastructure, and support production rollout.

Frequently asked questions

A blockchain developer writes smart contracts (on-chain). A Web3 developer writes the application that interacts with those contracts (off-chain: frontend, indexing, APIs). Some developers do both; most specialize. We provide both skill sets in our project teams.

Simple dApp with wallet connection and basic contract interaction: 4–8 weeks. Full-featured DeFi interface with subgraph, real-time data, and multiple views: 12–20 weeks. Enterprise Web3 portal: 16–24 weeks.

Quick estimate

Small module: 2–4 weeks · Medium: 6–10 weeks · Large: 10+ weeks

Schedule call

Focus Areas

  • React/Next.js
  • wagmi/viem
  • The Graph
  • WalletConnect

Project Details

  • Services
  • 7 min read
  • Architecture planning
  • Implementation support

Ready to talk?

Schedule a discovery call and receive a tailored scope and estimate. No commitment required.

Contact us

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  • How-toHow to Build a Crypto Wallet

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Industry, location, and use-case pages built on this service.

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