# Daniel Willis-Brown

> Engineering Manager · Cloud-Native Infrastructure, Payments & Distributed Systems.

Daniel Willis-Brown is an experienced engineering leader and staff-level engineer based in Atlantic Canada. He brings over a decade of deep technical experience spanning high-throughput distributed systems, mission-critical payments, and multi-tenant cloud-native architectures, coupled with proven engineering management and team leadership.

## Professional Summary & Core Proof Points
- **MileIQ — Engineering Manager**: Led an engineering team of 8 managing core subscription billing, payments, and platform services serving 30M+ users with 99.99%+ uptime.
- **DataStax / AstraDB — Senior Engineer**: Engineered distributed query routing and storage mechanisms managing 50K+ QPS across multi-cloud environments.
- **Walmart Labs — Senior Engineer**: Architected resilient e-commerce checkout and backend distributed microservices through multiple Black Friday events with zero downtime.

## Primary Technical Domains
- **Engineering Leadership & Delivery**: Technical roadmapping, hiring, cross-functional alignment, incident management, progressive delivery, and developer enablement.
- **Billing & Payments Infrastructure**: Stripe Connect, subscription lifecycle management, payment gateways, idempotent transaction execution, and financial audit trails.
- **Cloud-Native & Distributed Systems**: Kubernetes, Docker, PostgreSQL, Apache Cassandra, Kafka, Envoy, Linux systems performance, and observability (Prometheus/Grafana).

## Availability & Contact
- **Status**: Open to full-time engineering leadership roles and select high-impact advisory or contract engagements.
- **Location**: Remote-first, based in Canada (Atlantic timezone).
- **Email**: hello@w-b.dev
- **Canonical Website**: [https://willis-brown.com](https://willis-brown.com)
- **Short Domain**: [https://w-b.dev](https://w-b.dev)
- **X (Twitter)**: [https://x.com/Desmolhar](https://x.com/Desmolhar) (@desmolhar)
- **LinkedIn**: [https://www.linkedin.com/in/brasileiro](https://www.linkedin.com/in/brasileiro)
- **GitHub**: [https://github.com/w3b3](https://github.com/w3b3)
- **Full LLM Specification**: [https://willis-brown.com/llms-full.txt](https://willis-brown.com/llms-full.txt)