Spearbit Labs

Incident Response Analyst

• First responder for EVM product alerts: investigate issues, reproduce behavior, partner with internal teams, and maintain system resilience.
• Meet client SLAs by quickly identifying, analyzing, and resolving incidents.
• Decode transactions, logs, and traces; reproduce behavior using Foundry/Hardhat and lightweight PoCs.
• Collaborate with protocol, backend, and risk teams during incident response and "war rooms".
• Maintain and improve playbooks, dashboards, and alerting systems.
• Monitor upstream changes (EIPs, dependencies, oracle/bridge updates) and highlight product risks.
• Deliver concise incident briefs and post-mortems with actionable recommendations.

Security Engineer

• Founded in 2021 by former Ethereum Foundation Solidity engineers working on blockchain security
• Building Cantina, a security platform connecting researchers and projects (bug bounties, incident response, AI code analysis)
• Find, contain, and document on-chain attacks; help tag and recover funds
• Trace stolen funds across wallets, DEXs, bridges, and mixers; label addresses (attackers, VIP wallets)
• Write concise traces

Incident Response Analyst

On-Chain Incident Investigator – Security Incidents