DeFi Security Specialist

2 days ago

Bengaluru Chennai Hyderabad, India ti Steps Full time ₹ 15,00,000 - ₹ 25,00,000 per year

About the Role

We are seeking an experienced DeFi Security Specialist to lead and support the security posture of our DeFi protocols and infrastructure. As a key member of the security team, you will be responsible for auditing smart contracts, identifying vulnerabilities in financial mechanisms, and working directly with developers to ensure our products are safe from exploits, manipulation, and economic attacks.

If you're passionate about decentralized finance and have a deep understanding of both code and economic game theory, this is the perfect role for you.

Key Responsibilities

  • Perform in-depth audits of DeFi smart contracts (e.g., lending, DEXs, yield farming, oracles, synthetic assets).
  • Identify and mitigate economic vulnerabilities, including flash loan attacks, oracle manipulation, sandwich attacks, and MEV risks.
  • Collaborate with engineering teams to enforce secure smart contract development and deployment practices.
  • Conduct formal verification, fuzzing, and symbolic execution to uncover edge-case exploits.
  • Lead and support security incident investigations, root cause analysis, and reporting.
  • Monitor on-chain activity and open-source channels to detect zero-day exploits or critical vulnerabilities.
  • Develop and maintain internal automated tools and frameworks for DeFi protocol testing and monitoring.
  • Write and publish thorough audit reports, technical blog posts, and best practices for protocol design.
  • Contribute to bug bounty programs and coordinate with ethical hackers and bounty platforms (e.g., Immunefi, Code4rena).
  • Stay ahead of the latest DeFi exploit trends, research papers, and adversarial attack vectors.

Required Skills & Qualifications

  • 3+ years of experience in smart contract auditing, blockchain security, or DeFi protocol development.
  • Deep understanding of Ethereum, EVM, and DeFi primitives (e.g., AMMs, stablecoins, derivatives, vaults).
  • Advanced proficiency in Solidity and smart contract development frameworks (e.g., Hardhat, Foundry, Brownie).

  • Familiarity with DeFi attack vectors, including but not limited to:

  • Flash loan attacks

  • Oracle price manipulation
  • Reentrancy
  • Governance attacks
  • Sandwich/MEV attacks

  • Infinite mint or over-collateralization exploits

  • Strong knowledge of cryptoeconomic models and game theory.

  • Experience with security tools like Slither, Echidna, MythX, Tenderly, or custom fuzzers.
  • Strong communication skills to convey complex issues clearly to technical and non-technical audiences.

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