Okan Akvec
Senior Java Developer — Payment Systems, Reactive Architecture
I design and build high-scale payment systems handling millions of transactions. Focused on performance, resilience, and clean architecture using modern Java technologies.
Experience
Senior Backend Developer
2023 — PresentPayment orchestration, high-throughput systems, microservices
Backend Developer
2021 — 2023Spring Boot services, integrations, distributed systems
Stack
JavaSpring BootWebFluxKafkaPostgreSQLDockerMicroservices
Projects
Payment Orchestrator
High-scale payment routing and retry system handling 1M+ daily transactions.
Reconciliation Engine
Automated bank reconciliation system with batch processing.