You will get interactive charts, dashboards and data visualizations in React
Project details
I build data-heavy interfaces that make complex information clear and actionable — multi-format charts with ApexCharts, data tables with AG Grid or React Data Table, interactive maps with Mapbox GL, and full API integration with React Query.
Built with React or Next.js, TypeScript, and your preferred styling system.
Built with React or Next.js, TypeScript, and your preferred styling system.
Programming Languages
HTML & CSS, Python, TypeScriptCoding Expertise
PSD to HTML, Security, DesignWhat's included
| Service Tiers |
Starter
$200
|
Standard
$400
|
Advanced
$750
|
|---|---|---|---|
| Delivery Time | 5 days | 10 days | 18 days |
Number of Revisions | 3 | 5 | 8 |
Number of Pages | 1 | 3 | 5 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code |
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JB
Jose B.
Jan 8, 2026
HTML & CSS Developer Needed for Web Project
We have worked with César on several occasions and for long periods of time, and we are very satisfied with his work. He is always willing to carry out tasks, with a collaborative and responsible attitude. Without a doubt, he is someone you can trust and whom we highly recommend.
KQ
Kelly Q.
May 16, 2024
Desarrollador Frontend Trainee/Junior
I cannot say enough about how much I enjoy working with Cesar. As soon as we are able, we will bring him on full time. We communicated in Spanish, because that is the language we were both more comfortable in. My hope is that he will not be available for freelance work much longer. Thank you Cesar for everything you've done and I hope you'll join our team in the near future.
About Cesar
Top-Rated Frontend Developer | React, Next.js, Fullstack Capable
82%
Job Success
Santa Teresa del Tuy, Venezuela - 4:56 am local time
I'm a Frontend Developer with 4+ years delivering production-grade web applications for SaaS platforms, corporate systems, and data-intensive dashboards. I work with React, Next.js, and TypeScript daily, and I integrate AI-assisted workflows (Cursor + Claude) to move fast without cutting corners.
Recent work includes Atlas — the core platform of an international biodiversity intelligence company — where I integrated 20k+ environmental datasets into interactive visualizations, built a real-time Mapbox map, and implemented advanced API patterns with React Query. Structured agile team, code reviews, corporate standards.
Other projects I've shipped:
· Accounting platform with auth, role management, and dynamic data visualization
· Full web app for a government Ministry of Energy — accessible, performant, responsive
· Business system with real-time states, complex form handling, and custom context architecture
· Corporate landing pages from Figma to pixel-perfect, SEO-optimized production
When a project needs backend too, I can cover it — serverless functions on AWS Lambda (Python) with API Gateway and DynamoDB.
Core stack: React · Next.js · TypeScript · TailwindCSS · React Query · Mapbox GL · ApexCharts · AG Grid · Supabase · AWS · Figma
100% Job Success on Upwork. Reliable, async-friendly, and experienced with international remote teams.
Steps for completing your project
After purchasing the project, send requirements so Cesar can start the project.
Delivery time starts when Cesar receives requirements from you.
Cesar works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery & Planning
We align on your data structure, visualization goals, and technical requirements. I review your data source (API, file, or database) and propose the right chart types and architecture for your use case.
Design & Component Architecture
I define the component structure, layout, and visual hierarchy of the dashboard. If you have a design reference or Figma file, I follow it. If not, I propose a clean, functional layout for your approval before coding starts.