Senior Fintech Backend Engineer

Budget: - HOURLY / FULL_TIME ⭐ 4.82 (3) United States

python, postgresql, redis, api-integration

Build a secure edge-side payment transaction layer that generates Solana-signed machine payloads, prevents duplicate execution, and safely hands them off to the backend payment infrastructure.

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AI proposal draft

Generate a short cover letter to copy into the offer. Says you are interested and ready to work.