Developer Builds Open-Source Financial Reconciliation Engine Processing 20M Records in 95s

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A software developer has released Reconify, an open-source financial reconciliation engine built in Go, after spending several months on its development. The tool was created to address a recurring pain point observed across fintech networks, where reconciliation becomes increasingly difficult as transaction volumes grow. Reconify can process 20 million financial records — 10 million per side — in 95 seconds on an eight-core Apple M1 Pro with 16 GB of RAM. The engine matches records from two sources using a shared reference key and classifies each pair as matched, mismatched, or unmatched, while handling inconsistent field names and schema differences. The project went through three architectural redesigns before reaching its current performance benchmarks and is available as a command-line interface via a public repository.

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