The systems you don't get to take offline.
Selected engagements across regulated, high-stakes environments — described by industry to respect client confidentiality.
Architected the database layer for distributed license-plate-recognition platforms ingesting billions of records daily across agency networks — high-availability design, replication, and uptime engineering.
Led core payments modernization for a transaction-processing fintech: 45% faster transactions, 3× delivery velocity, and Zero Trust security that passed every audit.
Built a global regulatory and product-certification tracking system; led capacity planning, risk assessment, and change control across worldwide operations.
Fractional CTO and senior advisor to a CEO and board — enterprise architecture, system migrations, security audits, a Sarbanes-Oxley knowledge system, and a web certification platform.
Designed and implemented global SQL Server / Oracle replication for a federated system spanning continents.
Real-time derivatives and commodities trading platforms — P&L systems, automated trading, and secure replication for hedge-fund-grade workloads.
Built real-time telecom data ingestion from unified-communications endpoints; scaled PostgreSQL for telecom-grade workloads and automated usage-based billing.
Achieved 99.99% uptime via high-availability SQL clusters while maintaining PCI-DSS compliance across payment platforms.
Client names available on request, where engagement terms permit. References can be provided for qualified opportunities.