Lead developer of a live cryptocurrency exchange running in production 24/7 — PC and mobile, with separate futures and spot engines, copy trading, grid bots, deposits and withdrawals, KYC, 2FA and a full admin console. I build exchange platforms end to end: matching and liquidation logic, real-time charts and order books, wallet flows, and a 12-language UI. Every release is verified by 70+ automated QA harnesses with over 1,000 checks. Proof, not promises: a full portfolio and QA report are available on request. I deliver custom-built exchange platforms tailored to your brand and scope.... Lee más