Valian Trao

Designed and deployed Solana-based automated trading bots with multi-DEX arbitrage across Raydium, Meteora, Whirlpool, and Jupiter Aggregator; built real-time execution and price-optimization engine. Engineered high-frequency arbitrage detection systems processing live market data with sub-second latency, delivering production-ready performance. Built scalable trading infrastructure on PostgreSQL and Node.js supporting 15-minute trading intervals with integrated technical-analysis. Implemented Pine Script trading strategies for TradingView with advanced indicators and automated signal generation; integrated TradingView API and alerting/monitoring loop. Created real-time market monitoring across multiple DEXes with backtesting across 1000+ parameter combinations; designed database schemas with complex query optimization. Reduced latency with Rust-based backends and ensured uptime with robust logging and error handling. Architected end-to-end workflow from data ingestion to order executi

Architected and deployed automated trading bots for cross-DEX arbitrage across Raydium, Meteora, and Whirlpool, with real-time execution and price optimization. Engineered high-frequency arbitrage detection systems processing live market data with sub-second latency. Built scalable trading infrastructure on PostgreSQL and Node.js with integrated technical analysis, enabling 15-minute trading intervals and automated risk controls; implemented Solana-based back-end services and DEX integrations.

Developed and maintained multiple Android applications with focus on performance and clean architecture. Implemented real-time data synchronization and offline storage (Room/WorkManager); integrated third-party APIs and payment gateways. Published apps on Google Play with positive user ratings and regular updates.