BackendPaymentsFintechHigh throughputLedgerJava

Ornis

Payment platform processing thousands of transfers per second with strict balance consistency.

Challenge

Ornis needed a high-throughput payment processing platform that could handle thousands of transactions per second while maintaining strict balance consistency and transactional integrity.

Solution

I architected a distributed transaction workflow processing high-concurrency transfers with ledger-level consistency guarantees, implemented distributed locking strategies to prevent race conditions and double-spending across concurrent operations, and built idempotent transaction pipelines enabling safe retries under partial failure conditions.

Impact

High-throughput payment processing platform handling thousands of B2B and B2C transfer transactions per second
Distributed transaction workflow processing high-concurrency transfers with ledger-level consistency guarantees
Distributed locking strategies to prevent race conditions and double-spending across concurrent operations
Idempotent transaction pipelines enabling safe retries under partial failure conditions

Tech stack

Java
Spring Boot
PostgreSQL
Redis
Kafka
RabbitMQ
Docker
Kubernetes

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