Julieta F.

Demo profile

Frontend Developer - Dashboards & Data Visualization

Córdoba, Argentina·4+ years·Spanish / English

Bio

I turn complex data into clear visualizations. 4 years building analytics dashboards, reporting tools, and data-heavy interfaces. I work with Chart.js, D3 when needed, and focus on making numbers tell stories. Background in statistics, learned React to visualize my analyses. I care about loading states, proper date handling, and making charts accessible. Great at collaborating with data teams to understand what metrics actually matter.

Skills

TypeScriptReactNext.jsGraphQLTailwind

Work style

Detail-orientedCalm communicatorAsks sharp questions

Portfolio (sample case studies)

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.

React

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

API Gateway & Microservices Migration

Sample

Led migration from monolith to microservices architecture. Implemented API gateway, service discovery, and comprehensive observability.

GraphQL

Analytics Dashboard for B2B SaaS

Sample

Created complex reporting dashboard with custom date ranges, exports, and drill-down capabilities. Optimized queries to handle millions of events.

ReactTypeScript

Design System & Component Library

Sample

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

ReactTypeScript