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Aleksander Frolov

Senior/Staff Backend Engineer · PHP Highload · Symfony · Architecture · Team Lead · frolov.guru

Russia Joined on Aug 16, 2026 https://frolov.guru

Aleksander Frolov

Aug 16

Idempotency and Retry in a Payment Core: Operations That Can't Be Duplicated and Can't Be Forgotten

#fintech #performance #php #architecture

3 min read

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