Barcelona · Director of Engineering & Operations, Plain Concepts

Strategy leader, forever building.

$ whoami engineering leader organizational strategist open-source builder professor of change management loop engineer startup collaborator engineering leader

Building for the web since 2013. Today I design the operating systems behind 500+ engineers, teach change management at a university, and ship developer tools you can install right now.

Try my tools LinkedIn ↗ GitHub ↗

Portrait of Quique Fdez Guerra — 41.3874° N, 2.1686° E

years building for the web

engineers in the org I scale

stars on open-source projects

years writing articles

01 · Open source

Don't take my word.
npm install it.

agent-harness

with the Platform team

Prepare any codebase for AI agents. Wires OpenCode, OpenSpec, codegraph and agentmemory into one multi-agent workflow that runs on native parallel subagents.

npx @plainconceptsplatform/agent-harness⧉

loop-task

with the Platform team

Give any command or AI agent an interval, then watch, pause and chain them from one terminal board.

npm i -g @plainconceptsplatform/loop-task⧉

project-health

with the Platform team

DORA metrics for your repos, read straight from the GitHub API. No database, no service to run, and honest about the two metrics GitHub cannot answer.

Live demo ↗

papanasi

602 ★ · since 2022

One UI library, eight frameworks. Write a component once and ship it to Angular, React, Vue, Svelte, Solid, Qwik, Preact and Web Components.

npm i papanasi⧉

Frontend Boilerplates

381 ★ · 2017-23

The file structures and good practices behind a decade of frontend projects, as starting points you can actually clone.

boilerplates.js.org ↗

inversify-props

Dependency injection without the boilerplate: Vue, Lit, vanilla TS.

npm i inversify-props⧉

inversify-hooks

Dependency injection for React in a single useInject() hook.

npm i inversify-hooks⧉

Doodle Games

for fun

Six hand-drawn sports games in Three.js, no build step: padel, football, golf, water polo, pétanque and pickleball.

Play in the browser ↗

+ everything else

Agentic Workflows, opencode-market, Remote Teams, lazy-analytics and 100+ more repos, across GitHub and the Platform org.

github.com/CKGrafico ↗

02 · Strategy

Strategy is the system.
Execution proves it.

I care less about the next project and more about the systems behind organizational performance: workforce and capacity planning, career frameworks, distributed technical leadership, and the operating models that let a growing technical organization adapt without breaking.

Organizational Strategy & Design Engineering Leadership Engineering Advisor Strategy & Operations AI Adoption & Transformation Change Management Technical Leadership Development Scaling Engineering Organizations

Plain Concepts

From frontend engineer to Director of Engineering and Operations in 11 years. Co-designed the planning framework a 500+ engineer company runs on. Built the Engineering Chapters model, 15+ chapter chairs, and helped scale the Principal Engineers function. Opened the company's Romania office from zero.

2015-now

La Salle BCN · University Master's

The professor students thank publicly on LinkedIn. Change Management: how transformations actually land: people first, strategy second.

professor

Writing that engineers argue about

And then we stopped working alone: the rise of Loop Engineering, plus a running series on the values engineers need in the AI era.

essays

03 · Speaking

Rooms of ten,
rooms of two thousand.

For six years I gave talks across Europe, in Spanish and English. A meetup of ten or a conference of two thousand got the same preparation. I never called myself a speaker; I just cared about the room, whoever was in it.

27 talks 2016-2022 6 countries Spanish / English

2022