Luis Fernando User
@lfluis
I build AI-powered web applications, PWAs, and workflow automations backed by enterprise IT experience.
BrazilWhat I'm looking for
I've supported mission-critical enterprise IT environments at Petrobras, Rede Globo, and Embratel/Hitss, including middleware infrastructure behind the Rio 2016 Olympic Games broadcast.
Today, I lead Portal HPTEC Brasil, a health information portal, and HikerTrailPack, a PWA for hikers and trekkers with AI integration deployed on Netlify. I build applications with Claude, Claude Code, and Gemini, with a strong focus on performance, user experience, reliability, and quality.
I also help businesses automate workflows with AI and can evaluate AI outputs, code quality, and reasoning for training and model-evaluation work.
Experience
Work history, roles, and key accomplishments
AI Application Developer & Digital Consultant
Doublelink Marketing Digitak
Jul 2022 - Present (4 years 1 month)
Develops AI-powered applications and provides digital consulting services, focusing on generative AI and modern web development.
Education
Degrees, certifications, and relevant coursework
Faculdades Cândido Mendes
Bachelor's Degree, Business Administration
Studied Business Administration with a focus on management, marketing, and related support services.
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Website
portalhptecbrasil.com.brSocial media
Job categories
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