Instant payments have to clear correctly, stay available, and remain secure under national-scale load. There is little room for architecture that only works on a happy path.
- Spring Boot microservices for InstaPay, Egypt's leading instant payment platform.
- PostgreSQL performance work, API design, and caching as part of the reliability surface.
- Backend architecture that has to stay maintainable as the platform evolves.
Java · Spring Boot · PostgreSQL · Redis · Microservices · System design