Delfina A.

Demo profile

Full-stack Developer - SaaS Features & User Management

Rosario, Argentina·3+ years·Spanish / English

Bio

I build user-facing features for SaaS products. 3 years implementing signup flows, user settings, team management, and permission systems. Bootcamp graduate who kept learning through side projects and freelancing. I ship features end-to-end from database to UI. I test my work, handle edge cases, and write code that my future self can understand. Eager learner, growth mindset, great teammate.

Skills

TypeScriptReactNext.jsNode.jsPostgreSQLAuth

Work style

Fast iterationPragmaticCalm communicator

Portfolio (sample case studies)

Customer Support Ticketing System

Sample

Built full-featured support platform with ticket routing, SLA tracking, canned responses, and customer portal.

TypeScriptPostgreSQLReact

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

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

Design System & Component Library

Sample

Built reusable component library with comprehensive documentation, accessibility compliance, and comprehensive testing.

ReactTypeScript