Hey, I'm Felipe Herrera 👋

QA analyst with a UX/UI background in Guadalajara. I test products — the interface, the API and the data behind it — and write up every finding so anyone can reproduce it.

See the case studies ↓ Open to QA roles — email me →
Portrait of Felipe Herrera

Case studies

Testing first, then the design and documentation around it — filter by the part you care about.

DemoBlaze — app preview
UX/UITechnical WritingQA

DemoBlaze

An online store that confirms orders it never places: 30 test cases, 10 defects, a heuristic evaluation and the documentation a team would keep.

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GET 200 OK expected 404
UX/UITechnical WritingQA

Harbor & Co.

A storefront designed around a tested REST API — with an API reference, 3 API defects, and a prototype that shows what they do to a shopper.

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product_id = 99 no match
Technical WritingQA

SQL Data Validation

Nine queries checking what the database actually holds — five data issues found and documented.

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89 87 100 Performance Accessibility Best practices
UX/UITechnical WritingQA

Lighthouse Audit

A performance and accessibility audit of this very site — including a production build nobody knew was stale.

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Time Keeper — app preview
UX/UITechnical WritingQA

Time Keeper

Time tracking for creative teams — designed for managers and members, documented for both, and tested against 25 cases.

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Jerry's Artarama — homepage preview
UX/UITechnical WritingQA

Jerry's Artarama

A checkout cut from five steps to two — with help articles for shoppers and support, and a prototype tested against 29 cases.

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OQLAR — app preview
UX/UITechnical WritingQA

OQLAR

A launched design and video platform for small businesses — with help articles and release notes, and an editor rebuilt and tested against 37 cases.

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Monster Travel — app preview
UX/UITechnical WritingQA

Monster Travel

My first complete UX project, revisited — a travel app that works offline and plans trips with friends, rebuilt and tested against 34 cases.

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