Wendell Costa
Frontend/fullstack developer specializing in building modern, scalable web applications with React, Next.js and TypeScript, delivering responsive, high-performance interfaces with clean architecture and strong UX focus. Proven record implementing authentication, real-time data, dashboards and API/database integrations (Supabase, Firebase, PostgreSQL, Node.js) to accelerate product delivery, improve performance and increase user engagement for SaaS and product-focused teams.
Experience
Lead Fullstack Developer
Local Community
Remote, local
- Designed and deployed a full-stack scheduling platform serving 80+ active users and handling 100+ monthly bookings
- Built a real-time scheduling system with automated WhatsApp notifications through third-party API integration
- Improved user experience and operational efficiency through automation and real-time updates
Education
SENAISalvador, Bahia
Technical Degree on IT
Skills
JavascriptHTMLCSSTypescriptJavaReactNext.jsTailwindExpress.jsFramer MotionGitFigmaJest
Projects
Nexus Dashboard
Next.js, Supabase, PostgreSQL, TypeScript
- Built a cryptocurrency portfolio tracker with authentication and real-time data simulation
- Implemented scalable data handling and clean UI architecture for financial tracking
QUEBEC
React, TailwindCSS, Framer Motion
- Developed a responsive tourism platform with 50+ pages and dynamic UI components
- Designed a scalable front-end architecture using modular components and micro-frontend patterns
Certifications
TOEIC
98/100
Responsive Web Design
JS Algorithms and Data Structure
Languages
Portuguese
native
English
fluent
French
intermediary
German
intermediary
Spanish
advanced