Field note 01 / system design infrastructure

Software has IDEs for code. Architecture still lives on whiteboards.

System design is one of the highest-leverage skills in engineering, but the way people learn and review it is still scattered across diagrams, docs, interviews, chat threads, and production mistakes.

Archos is building a living workspace for architecture thinking: a place to design systems, test assumptions, get critique, and preserve the reasoning behind decisions.

The gap

We ask engineers to make expensive system decisions before giving them a real place to practice.

The industry treats architecture judgment like something people absorb by watching seniors, surviving incidents, or memorizing interview prompts. That is a strange way to train a skill that shapes reliability, cost, velocity, onboarding, and technical leadership.

01

Feedback arrives late.

Serious critique often appears during an interview, rewrite, production incident, or rushed design review.

02

Reasoning gets lost.

A static diagram rarely explains constraints, bottlenecks, failure modes, or why the design changed.

03

Teams forget decisions.

Architecture context is spread across docs, calls, screenshots, Slack threads, and stale comments.

The broken workflow

Today, system design is a pile of disconnected surfaces.

Learning, planning, reviewing, onboarding, and mentoring all touch the same architecture skill, but the work is split across tools that cannot hold the full loop.

YouTube notes Whiteboard sketch Interview prep Slack thread Incident review Stale diagram Architecture doc

The Archos loop

Start with a scenario. Design the system. Stress-test assumptions. Revise with feedback.

Archos is not trying to be another place to draw boxes. It is a structured environment where the diagram, requirements, critique, tradeoffs, and versions stay connected.

01ScenarioRequirements, scale, constraints
02DesignComponents, flows, boundaries
03CritiqueBottlenecks, failure modes, tradeoffs
04ReviseVersions, comments, decision history

Product direction

A notebook for architecture thinking, with a system design workspace inside it.

The product starts with practice and feedback, then expands into the workflow around architecture decisions: shared drafts, comments, review history, scenarios, and a durable model of how the system evolved.

checkout-scale.archos
Client2.4k rps
API Gatewayrate limit
Queuebackpressure
Workersautoscale
Data Storesharded

Why now

AI makes architecture feedback possible at the speed of thought.

For the first time, software teams can have a system that understands requirements, diagrams, constraints, tradeoffs, and failure modes together. That changes system design from passive content into active practice.

Models can read context

Requirements, diagrams, assumptions, and critique can be reasoned over as one object.

Education is moving to reps

Builders need realistic practice environments, not just notes, videos, and mock interviews.

Teams need architecture memory

Decisions should preserve what changed, who reviewed it, and why the final version won.

Vision

The future of system design is not another diagramming tool. It is a workspace where engineers build judgment by designing, testing, explaining, reviewing, and improving systems over time.
For learners

Practice with scenarios, critique, model answers, and revision history.

For mentors

Review how someone thinks, not only the final diagram they drew.

For teams

Turn architecture discussion into a shared model with durable decisions.

Contact

Building in public, looking for sharp conversations.

Email support@tryarchos.com Founder note, advisor, and partnership conversations