Financial analytics platforms, observability tools, and executive BI SaaS products frequently search to hire a freelance D3.js, Recharts, Visx & data visualization programmer. I am Aldian Fazrihady, a Senior Freelance Full Stack Developer and Frontend Architect.

Core Data Visualization & Analytics Dashboard Capabilities

  • Bespoke D3.js, Airbnb Visx & Apache ECharts Components: Crafting interactive force-directed network graphs, Sankey flow diagrams, candlestick financial charts, heatmaps, and Brush/Zoom time-series explorers in React and TypeScript.
  • Accessible, High-Contrast Design: Enforcing WCAG 2.1 AA color contrast, colorblind-safe palettes, keyboard navigation, and screen-reader ARIA table fallbacks.
  • Sub-Second Analytical Backend Queries: Powering interactive cross-filtering and drill-down charts with PostgreSQL materialized views, ClickHouse, DuckDB, and Redis caching.

Frequently Asked Questions

Can you combine AI natural-language querying with interactive React charts?

Yes. I build Generative UI analytics dashboards where users ask questions in plain English and receive validated SQL queries rendered immediately as interactive Recharts/Visx visualizations.

How do I hire you for data visualization engineering?

Hire me via Upwork.

About the Author — Hire Freelance Programmer Aldian Fazrihady

Aldian Fazrihady is a Top-Rated Senior Freelance Programmer, Freelance Full Stack Developer, and AI Application Engineer with 15+ years of production software engineering experience and Google Cloud Professional Cloud Architect & Data Engineer certifications. He specializes in building custom LLM & autonomous AI agents, RAG pipelines, Next.js/React PWAs, Python (Django/FastAPI), Go microservices, and serverless cloud infrastructure on Google Cloud Run and AWS.

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