CURRENT:
Domestic & General
Technical Lead / 2023 - presentArchitected D&G's first Payments SDK, reducing payment-step deployment from weeks to hours.
TECHNICAL LEAD / FOUNDER
Joshua Bellew
I build distributed systems, payments infrastructure, and practical AI products.
OPEN SOURCE PROJECT
OpenNav The AI web compatibility layer for agent navigation.
PROFILE / JB-01
SYSTEMS / PRODUCT / AI TECHNICAL LEAD / FOUNDER
Joshua Bellew
Distributed systems / Payments / Practical AI 8 years Building and operating production systems
2M+ Concurrent users across multi-region streaming services
1 TB/s Peak real-time data infrastructure throughput
EXPERIENCE / 00
Experience
PREVIOUS:
DAZN
Backend Software Engineer / 2021 - 2023Built and operated multi-region services supporting 2M+ concurrent users, and contributed to disaster recovery that kept 1M+ users streaming during a major incident.
FIELD NOTES / 01
Recent writing
Technical deep dives into distributed architecture, production reliability, and agents built from first principles.
View all writing 01 Discord's March 2026 Voice Outage: When Recovery Became the Failure A simplified breakdown of the distributed systems failure pattern behind Discord's March 2026 voice outage 02 Railway CDN Caching Incident: When Opt-In Becomes Opt-Everyone-In Deep dive into Railway's March 2026 CDN caching incident: how a configuration change leaked authenticated responses across users, what went wrong, and how to prevent it 03 Why Elixir and the BEAM Might Be the Best Runtime for AI Agents A look at Jido, an Elixir agent framework, and what TypeScript developers can learn from the BEAM's approach to concurrency, fault tolerance, and agent architecture
VENTURE / RESEARCH / 02
Super AI Systems
Through Super AI Systems, I research and build practical AI and agent systems, turning emerging ideas into dependable products.
The work sits at the intersection of developer platforms, distributed architecture, and production-grade agent systems.
Visit Super AI Systems