Bradley Allan Davis

• Led Project Catalyst, the largest architectural effort in the platform's history, decomposing the payment-orchestration monolith into five independently deployable modules with semver-governed DTO contracts, enabling decoupled team ownership, parallel development, and lower-risk releases.
• Drove the team's adoption of AI-assisted development, using agentic coding tools to deliver large-scale work including a JUnit 5 migration across roughly 1,100 test files and the Catalyst module decomposition.
• Built the shared payments library from the ground up as tech lead (Temporal workflow infrastructure, alerting, customer notifications, OpenTelemetry, and core utilities), adopted by every service across the payments platform.
• Designed and built the platform's internal and external reconciliation engines: Kafka-based event processing with multi-region scheduling, 1-to-N status mapping, and automated alerting, reconciling millions of transactions across all payment-provider integrations.
• Designed and shipped a global payment fee-calculation service from conception to production, with composable fee criteria (currency, entity, user type, channel, method, transaction type) and components (flat, tiered, percentage), that underpinned every payment integration going forward and runs live serving DBS Singapore channels.
• Authored a Maven code-generation plugin for provider-integration boilerplate, cutting setup time by over 50% and letting junior engineers onboard new providers independently.
• Redesigned the counterparty funding-exposure check, reducing the effort to add it to new integrations by over 80%.
• Built the OpenPayd integration as the first channel on a new payment-gateway architecture (webhook signature verification, account creation, deposit and withdrawal flows, Kafka events), establishing integration patterns still used today.
• Bootstrapped a Web3 card platform from inception: Temporal workflows, card authorization and funding, and transaction APIs.

• Led webhooks processing infrastructure handling 10-20M daily notifications, powering real-time data sync for thousands of SMB customers and third-party developers at 99.9% reliability.
• Extended the webhooks ecosystem across QuickBooks Online, Revenue Platform, and Payroll domain events, powering the launch of QBO Advanced.
• Implemented distributed tracing across all webhooks services, surfacing performance bottlenecks and speeding incident triage across the notification pipeline.

Distributed Systems, Machine Learning, Big Data Systems, Advanced Operating Systems, Computer Networks, Artificial Intelligence, Databases