Description

DeFiGuard is a real-time risk monitoring and threat detection platform for DeFi protocols. We help users and protocol teams spot exploits, flash loan attacks, oracle manipulation, and suspicious on-chain activity before funds are lost. Our stack spans a React dashboard, Node.js services, and smart contracts across multiple EVM chains.

We're looking for a full-stack engineer who can move fluidly between polished frontend work and the backend infrastructure that watches the chain in real time.

What You'll Do

  • Build the DeFiGuard dashboard in React/Next.js — real-time alerts, risk scores, protocol health views, and transaction forensics
  • Develop Node.js services that ingest and index on-chain data across Ethereum, Arbitrum, Base, and Optimism
  • Integrate wallet connections and transaction signing (WalletConnect, MetaMask, Coinbase Wallet)
  • Write and audit Solidity contracts for our on-chain guardrails and alerting hooks
  • Build real-time pipelines (WebSockets, event streams) that surface threats within seconds of detection
  • Work with our security researchers to translate detection logic into production code
  • Own features end-to-end — from spec to deploy to monitoring

Required Skills

  • Frontend: React, Next.js, TypeScript, React Query, Tailwind
  • Backend: Node.js, NestJS or Express, PostgreSQL, Redis, REST & GraphQL
  • Blockchain: Solidity, Hardhat or Foundry, ethers.js or viem, deep EVM fundamentals
  • Web3 UX: Wallet connection flows, transaction lifecycle, chain switching, gas estimation
  • Understanding of common DeFi attack vectors (reentrancy, flash loans, oracle manipulation, MEV)
  • Git, CI/CD, Docker, AWS or GCP

Nice to Have

  • Experience with The Graph, subgraphs, or custom indexers
  • Familiarity with Tenderly, Alchemy, QuickNode, or similar infra
  • Rust or Go
  • Prior work at a DeFi protocol, security firm, or on-chain analytics company
  • Open-source contributions in the Web3 security space

What We Offer

  • Competitive salary + token/equity package
  • Fully remote with flexible hours
  • Budget for conferences, courses, and hardware
  • Small senior team — your work ships fast and matters

To Apply

Send your resume, GitHub, and a short note about a Web3 or security project you've shipped (links to live apps or contracts welcome).

Key Skills
Salary

INR 150000 - 250000

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