Carmela B.

Demo profile

Full-stack Developer - User Authentication Flows

Córdoba, Argentina·2+ years·Spanish / English

Bio

I implement secure authentication and user management features. 2 years building signup, login, password reset, and session management. I understand JWT, cookies, and common security pitfalls. Computer Science student working part-time. I follow OWASP guidelines, hash passwords properly, and test my auth flows thoroughly. Security-conscious and eager to learn more.

Skills

TypeScriptReactNext.jsNode.jsPostgreSQLAuth

Work style

Detail-orientedPragmaticCalm communicator

Portfolio (sample case studies)

Search & Filter System Optimization

Sample

Rebuilt product search with faceted filtering, autocomplete, and relevance ranking. Improved search speed by 10x using proper indexing.

PostgreSQLNode.js

Inventory Management Dashboard

Sample

Created real-time inventory system with stock alerts, purchase order automation, and multi-warehouse support.

Next.jsPostgreSQL

E-commerce Platform Rebuild

Sample

Modernized legacy shopping cart with Next.js, improving performance by 60% and conversion by 12%. Implemented server components for product pages and optimized checkout flow.

ReactNext.js

Mobile-first PWA for Food Delivery

Sample

Built progressive web app optimized for mobile with offline support, push notifications, and location tracking.

ReactNext.js

Real-time Collaboration Dashboard

Sample

Built multi-user dashboard with live updates using WebSockets and optimistic UI. Handled conflict resolution and implemented robust offline-first architecture.

ReactNode.js