Meridian Ledger

A fast-growing LATAM neobank had reconciliation drift of up to 0.4% per day across three payment rails, blocking regulatory approval for expansion.

Build a SOC 2-audited double-entry ledger with real-time reconciliation and full auditability.

• 01Designed an append-only Go ledger service on Postgres with logical-time ordering.
• 02Instrumented a streaming reconciliation engine tailing every rail.
• 03Ran a 6-week parallel with the legacy ledger to prove parity to auditors.

• 0 reconciliation drift over 180 days post-launch.
• SOC 2 Type II achieved on first audit.
• Regulatory approval for expansion into 4 new countries.