Pinned Loading

1. open-banking-lab open-banking-lab Public

   Hands-on lab implementing Turkey’s Open Banking standard (ÖHVPS) from the bank (ASPSP) side: consent lifecycle, OAuth 2.0 resource server with Spring Security, and event-driven consent updates via …

   Java

2. bloom-filter-registration bloom-filter-registration Public

   User registration form that checks username availability through a Guava Bloom filter before hitting the database — Spring Boot, H2, 200k mock users, side-by-side benchmark.

   Java

3. core-banking-system-microservices core-banking-system-microservices Public

   A minimal microservices-based banking system demonstrating account, transaction, and ledger management with event-driven communication.

   Java 1

4. microservices-starter-template microservices-starter-template Public template

   Enterprise-grade Spring Boot microservices starter template — built and evolved with agentic AI (GitHub Copilot). Includes Kafka messaging, transactional outbox/inbox, saga orchestration, JWT secur…

   Java 1 1

5. modular-monolith-template modular-monolith-template Public template

   A production-ready Modular Monolith template for Spring Boot. Includes domain-driven module boundaries, shared kernel, event publishing, Kafka integration support (for integration events), and clea…

   Java

6. high-traffic-locking high-traffic-locking Public

   Lost update under contention and three ways to close the gap: atomic UPDATE, pessimistic lock (SELECT ... FOR UPDATE) and optimistic lock (@Version + bounded retry). Spring Boot 4, Spring Data JPA,…

   Java