Simplileap

// Build

DeFi & Web3 Applications

DeFi interfaces handle real financial value — they require the security, reliability, and clarity that high-stakes financial applications demand. We build DeFi protocol interfaces that users trust with their assets.

// Key benefits

What makes this service valuable

Protocol-specific expertise

Uniswap-style AMMs, lending protocols, yield aggregators, staking interfaces, and liquid staking — each has unique UX requirements and technical integration challenges we have solved before.

Price feed and oracle integration

Chainlink, Pyth, and custom oracle integrations for live price display, slippage calculation, and position valuation — with appropriate stale data handling.

Security-conscious development

Every user action that touches value requires clear confirmation flows, transaction simulation before signing, and explicit display of what the user is approving.

// Details

DeFi UX that earns user trust

DeFi has lost billions to poor UX — confused users signing malicious transactions, unexpected slippage, and interfaces that obscure what is actually happening on-chain. We design and build DeFi interfaces that are transparent, safe, and clear.

We integrate with major DeFi protocols via their SDKs and on-chain ABIs, implement real-time price feeds, and build transaction simulation to show users exactly what will happen before they sign.

// What this includes

  • Uniswap v3/v4 and other DEX integration
  • Aave, Compound, and lending protocol UIs
  • Staking and liquid staking interfaces
  • Yield aggregator dashboards
  • Chainlink / Pyth price oracle integration
  • Transaction simulation (Tenderly / EthSimulate)
  • Portfolio tracking and position management

// Deliverables

What you receive

Every engagement produces clear, documented deliverables. Here is exactly what is included in our defi & web3 applications service.

  • 01DeFi application frontend with protocol integrations
  • 02Price oracle integration and live data feeds
  • 03Transaction simulation and preview UI
  • 04Portfolio/position management dashboard
  • 05Test suite for financial calculations
  • 06Security review documentation

// FAQ

Common questions about defi & web3 applications

Do you build DeFi protocols or just the interfaces?+

We build the frontend interfaces and integrate with deployed protocols. Smart contract development for DeFi protocols is a separate engagement with stricter security requirements.

How do you handle real-time price data in DeFi UIs?+

We use WebSocket connections to oracle networks or DEX APIs for live price feeds, with proper stale data warnings and refresh mechanisms. The Graph subgraphs handle historical data queries efficiently.

Ready to get started with defi & web3 applications?

Share your requirements with our team. We respond within one business day with a clear plan from discovery to delivery.