I am a C++/C#/Py/Rust/Solidity software architect/developer with 15+ years of experience in development -HFT ultra-low-latency cross-brokers, cross-platform multi-asset algorithmic tools based on QuickFix/Fix8/Onix engines and custom protocols. -BETTING real-time custom pre-match, in-play, play-by-play algorithmic software and historical backtesting-strategies for Betfair,Betdaq. -Financial Ethereum, Polygon, BSC and Solana tools and smart contracts for DeFi ecosystem. Web3 front-running and statistical tools, Defi arbitrage systems.