about · xten.sh

Systems, not demos.

I design and ship production-grade systems with a focus on architecture, tradeoffs, and long-term maintainability.
This page documents how I think, not just what I’ve built.

Jonathan Turner · Systems & Infrastructure

Architecture · Infrastructure · AI Systems

Most portfolios show screenshots or GitHub links.

This one focuses on system boundaries, failure modes, and engineering judgment.

Selected Case Studies

Distributed Media Conversion Platform

Async · Workers

Designing an event-driven media pipeline for large, unpredictable workloads.

AI Workflow Orchestration Platform

LLMs · Control

Treating AI interactions as workflows rather than API calls.

Secure Internal Tooling Platform

Zero-trust

Identity-gated internal services without developer friction.

AI Cost & Usage Control System

Budgets · Routing

Making AI spend predictable, observable, and intentional.

Event-Driven Job Processing Platform

Queues · Retry

Reliable execution for long-running and failure-prone tasks.