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rafaelvieiras

Rafael Vieiras

@rafaelvieiras

Senior Front End Engineer React and Angular Performance Code Review

Brasil
Portugués
Parte de la información aparece en idioma inglés.
Sobre mí
I’m a senior front-end engineer (React, Next.js, Angular) focused on fast, high-quality deliveries: bug fixes, responsive/layout adjustments, Figma→code, isolated components, Core Web Vitals optimization, code review and short technical mentoring. I deliver readable code, clear scope and measurable impact for B2B/SaaS products. For accurate price and ETA, please contact me before ordering — I’ll confirm scope and the fastest delivery option.... Lee más

Habilidades

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rafaelvieiras
Rafael Vieiras
desconectado • 
Tiempo medio de respuesta: 9 horas

Revisa mis servicios

Corrección de errores
I will fix HTML CSS javascript or react bugs in 1 day
DeUSD 25 / proyectoMás información
Integraciones de IA
I will build a custom ai agent with rag for your business database
DeUSD 150 / proyectoMás información

Experiencia laboral

Senior Front End Engineer and Technical Consultant

Independent Consultant • Freelance

Jan 2008 - Present • 18 yrs 4 mos

Senior front end engineer with over 15 years of experience building, refactoring and scaling web applications. Worked on B2B and SaaS products with a strong focus on React and Angular. Specialized in fixing complex UI bugs, improving performance, refactoring legacy code, creating reusable components and applying scalable front end architecture. Experienced in design systems, micro front ends, dashboards and data driven interfaces. Delivers clear communication, well structured code and fast, reliable results.

Senior Front End Engineer

B2B SaaS Company • Tiempo completo

Mar 2024 - Dec 2025 • 1 yr 9 mos

Worked as a senior front end engineer on large B2B web applications. Led refactoring of the core product, improving code organization, scalability and long term maintainability. Implemented micro front end architecture, reusable shared packages and the technical foundation of a design system. Delivered performance improvements including over 30 percent reduction in initial load time. Collaborated closely with product and engineering teams, reviewing code and improving development processes.