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Saurabh DantaniFull Stack Developer
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FrontendLive Candlestick charts

Crypto Portfolio Tracker

Real-time cryptocurrency portfolio tracking dashboard with price alerts, historical charts, profit/loss analysis, exchange integration, and automated portfolio rebalancing suggestions. Built with clean modular architecture, rigorous automated testing, and comprehensive logging. Designed from the ground up for high reliability, security, and lightning-fast user interactions.

Source Code
Crypto Portfolio Tracker - Full Stack Architecture & Implementation
The Challenge

Cryptocurrency investors needed a clean, responsive tracking dashboard without clutter, intrusive ads, or latency in price feeds.

The Solution

Developed high-performance portfolio dashboard featuring TradingView charting, real-time WebSocket coin tickers, and profit/loss analytics.

The Impact

Instant financial calculations and live chart rendering with zero lag across thousands of crypto assets.

Technologies & Tools

React.jsTypeScriptWebSocketCoinGecko APIRechartsTailwind CSS

Key Engineering Challenges

1Streaming live price updates for 100+ assets simultaneously without browser memory spikes
2Calculating precise profit/loss accounting with historical purchase prices and gas fees
3Rendering TradingView candlestick charts responsively across mobile and 4K displays
4Storing encrypted user portfolio keys locally using client-side Web Cryptography API

Results & Measurable Outcomes

Achieved smooth 60fps charting interactions even during extreme market volatility
Sub-100ms price tick rendering via optimized WebSocket listeners
Privacy-first client-only data storage option with zero tracking
Dark mode interface styled with professional terminal-grade aesthetics
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