Hello, sir.
I just read your job description carefully and I am very interested in it.
I can't speak Spanish but can discuss the project using translator.
I am a senior full-stack developer who has 8+ years of development experience.
Especially, I have rich experience in React.js/Redux/Mobx, React hook/styled component and I am familiar in mockup, prototype like Adobe XD.
I am sure that I can finish your project successfully with my skills and experience.
If you are interested in me, please contact me anytime.
I am looking forward to your reply.
Thanks for your attention.
Best regards.