I Sniped a Solana Token in 400ms — Here's the Full Tech Stack When Solana's new token $XYZ launched last week, I executed a snipe in 400ms flat. Here's the exact technical breakdown of how I built this MEV (Maximal Extractable Value) bot using Jito bundles, Jupiter routing, and Helius RPC—complete with code snippets and hard-won lessons. The Challenge: Speed and Precision Token sniping on Solana requires: Sub-second execution (Solana's block time is ~400ms) Atomic transactions (no front-running or reverts) Optimal routing (best swap path with minimal slippage) The Stack That Made It Possible 1. Jito MEV Bundles (The Speed Multiplier) Jito bundles let you submit multiple transactions atomically, ensuring your snipe executes before others. Unlike Ethereum, Solana doesn't have a mempool, so Jito’s "Bundle" system is critical. Key Code Snippet (Rust + Anchor): let bundle_tx = Bundle :: new ( vec! [ // 1. Create associated token account (ATA) create_associated_token_account ( & payer , & mint ), // 2.…