D3.js Jobs

I want to see how the price of every major cryptocurrency has evolved from 28 April 2013 right up to the day you hand over the work. That means gathering daily data for roughly the top 10 000 coins by market-cap and then presenting it in a single, coherent visual that feels as intuitive as Willy Woo’s signature charts. You’ll need to source the raw figures yourself—CoinGecko, CoinMarketCap, CryptoCompare, public blockchain APIs or a blend of them all—and normalise them so the timeline is continuous and gaps, forks or re-denominations are handled gracefully. Accuracy matters more to me than speed: if a coin didn’t trade on a given day the graph must reflect that rather than silently interpolating. Because the dataset is huge, I’m expecting a programma...

I need a clean, web-based dashboard that focuses exclusively on user analytics, with special attention to engagement metrics. The goal is to let me open one screen and instantly understand how users interact with my product over time. Key requirements • Metrics: Any engagement-related figures I feed in (e.g., sessions per user, session duration, retention day-N) must be visualised. • Visuals: Line charts are the primary format so trends can be spotted at a glance. • Interactivity: Filters for date ranges and user segments will help me drill down quickly. • Tech stack: I’m flexible—Tableau, Power BI, Looker Studio, Plotly/Dash, or a lightweight React + D3 setup all work for me, as long as the final result is responsive and easy to maintain. • ...