Solidity Developer

Conduct comprehensive security audits of DeFi protocols, identifying and reporting 20+ high and medium severity vulnerabilities across EVM chains. Compete in competitive audit contests on CodeHawks, Code4rena, Sherlock, and Cantina platforms, consistently ranking in top submissions. Perform threat modeling and attack vector analysis for protocols handling $10M+ in total value locked. Develop proof-of-concept exploits and detailed remediation recommendations to help protocols secure their smart contracts before deployment. Research emerging attack patterns and stay current with latest security best practices.

Design and implement secure REST API endpoints for 3 customer-facing healthcare portals using C# .NET framework, ensuring HIPAA compliance and protecting sensitive patient data. Conduct regular security audits of existing API endpoints, identifying and remediating authentication, authorization, and data validation vulnerabilities. Optimized claim data retrieval endpoint performance by 50% using Entity Framework while maintaining security controls and data integrity. Develop React components and Next.js applications integrated with Sitecore CMS in a headless architecture, implementing secure client-side validation and data handling. Perform on-call incident response including security incident triage, production troubleshooting, code reviews with security focus, and emergency hotfixes. Manage CI/CD pipelines in Azure DevOps and Vercel, implementing automated security scanning and deployment validation checks.

Analyzed requirements and configured proprietary tax software for 100+ employees across 3 government clients, ensuring data security and regulatory compliance. Developed 50+ business rules using object-oriented programming in FICO Blaze Advisor as part of Agile Scrum team, implementing input validation and error handling. Maintained Java applications with JDBC integration to SQL Server, ensuring secure database connections and parameterized queries to prevent SQL injection.