Chris Arjona

Senior Backend & Platform Engineer

I design distributed systems, financial infrastructure, and workflow platforms.

Previously: Square, Yelp
Based in Calgary.

Systems I've Worked On

Distributed Workflow SystemsTransaction Processing InfrastructureEvent-Driven PlatformsAutomation & Orchestration EnginesOperational Observability SystemsData & Event PipelinesWorkflow Automation Platforms

Selected Writing

The Hard Part of AI Agents Isn't the Model
Why Optimal Scheduling Breaks User Trust
Idempotency Is the Most Important Concept in Distributed Systems
The Hidden Failure Modes of Event-Driven Systems
Engineering Systems That Humans Can Debug

Currently Focused On

Currently focused on distributed backend systems, workflow orchestration, and financial infrastructure.

Interested in reliability engineering, transaction correctness, and large scale data systems.