About

John Doe

Engineer, founder, occasional writer.

I started in network and backend engineering, then spent years where UX systems meet large content and commerce stacks. Today I split time between PixelDocket (structured design-market data), PromptHarbor (LLM routing and evaluation hooks), VantageFence (traffic integrity), Alto CRM (lightweight ops CRM), and StratusSearch (catalog search infrastructure).

The through-line is boring reliability: observability first, narrow contracts with customers, and documentation that matches production behavior.

I write publicly to document trade-offs — grants, redesigns, model drift, and the parts of GTM that do not fit a keynote.

John Doe
San Francisco Bay Area
Building since the early 2000s

Working principles

Evidence over narrative

Share numbers, failure modes, and support load — not aspirational positioning.

Long horizons

Markets and stacks churn; maintainable systems and patient distribution compound.

Narrow scope

Prefer a sharp wedge in one vertical over ten half-built experiments.

Security aware

Treat adversarial traffic and model misuse as product requirements, not afterthoughts.

Published work

Books & long-form

Practical references aimed at builders shipping under real constraints — not trend essays.

Independent

2016

Reliable Web Delivery

Caching, edge behavior, and release discipline for content-heavy sites.

Engineering notebooks

Independent

2019

Design Systems in the Wild

Tokens, documentation, and governance when multiple brands share a platform.

Engineering notebooks

Independent

2024

LLM Production Patterns

Routing, evaluation hooks, and safety checks for customer-facing model features.

Engineering notebooks

Career timeline

2000–2008

Infrastructure

Corporate networks, APIs, early SaaS integrations

2008–2015

UX engineering

Design systems for media and commerce platforms

2015–2018

Director, delivery

Multi-team roadmaps for web and data programs

2018

Founded VantageFence

Traffic integrity for performance marketing teams

2019

Founded PixelDocket

Structured feeds from public design and catalog signals

2021

Founded PromptHarbor

LLM gateway, quotas, and offline evaluation

2022

R&D award

$800K non-dilutive funding for cloud security research

2023

Portfolio peak

$2.1M combined ARR across studio products

2024+

Writing & talks

Case studies on grants, SEO migrations, and model ops