Jonas Francisco de Lima Filho

Desenvolvedor de software freelance sob a marca JF Dev. Construo e mantenho aplicações web de ponta a ponta: interface, back end e a infraestrutura que mantém tudo no ar.

Minas Gerais, Brasil Joined on Jan 2, 2026 jonasfilho1985@gmail.com https://jonasfilho.dev.br

Oct 26

Your asset URL returned 200. It was serving index.html.

#nginx #webdev #python #testing

5 min read

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Jonas Francisco de Lima Filho

Oct 23

Four bugs my publisher's validator could not see

#python #testing #cli #tooling

5 min read

Jonas Francisco de Lima Filho

Oct 21

Three ways a sync job reports success while reading nothing

#python #api #automation #testing

5 min read

Jonas Francisco de Lima Filho

Oct 19

Your vision model cannot see a broken layout. Measure the pixels instead.

#testing #python #ai #webdev

5 min read

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Jonas Francisco de Lima Filho

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Your asset URL returned 200. It was serving index.html.

Want to connect with Jonas Francisco de Lima Filho?

Four bugs my publisher's validator could not see

Three ways a sync job reports success while reading nothing

Your vision model cannot see a broken layout. Measure the pixels instead.