Articles

• October 19, 2026

  A password sold for R$ 15,000: what the Pix attack teaches QA engineers

  Not a single functional test would have failed. That is exactly why every QA engineer should know this case.

• October 01, 2026

  Who tests the code AI wrote? When a green test stops being proof

  If AI writes the code and the tests too, a green CI may only confirm the same wrong assumption. See how to check where the expected value came from and whether the test can fail.

• September 30, 2026

  Shadow study with AI: train the diagnosis that generated code does not do for you

  AI writes a test in seconds, but deciding whether a fix hits the cause or only hides the symptom is still your job. The shadow study trains that judgment.

• September 30, 2026

  The QA technical ceiling: why skipping the fundamentals is expensive

  Many QA professionals can write an automated test in Cypress, but get stuck when they have to explain why a request returned 401 instead of 403. The problem is not a lack of tools. It is a lack of foundation.

• September 27, 2026

  From CRUD to High Availability: The Reality of Software Engineering in the Brazilian Payments Market

  Building systems for the payments market takes much more than knowing how to create a REST API; it takes deep command of fundamentals, low latency and business rules.