Qualifications
* High concurrency and scalability patterns
* Strong knowledge of:
* System trade-offs (consistency vs availability, latency vs throughput)
* API design and service boundaries
* Fault tolerance and resilience design
* Experience with system decomposition and domain modelling
* Expert-level proficiency in Java (8/11/17+)
* Strong experience with Spring Boot / Spring Cloud
* Deep understanding of RESTful APIs and microservices
* Experience with ORM frameworks (Hibernate, JPA)
Frontend
* Strong hands-on experience with at least one:
* Solid understanding of frontend architecture and state management
* Ability to contribute to frontend system design (not just coding)
Data & Infrastructure
* Strong experience with relational databases (Oracle / SQL Server / PostgreSQL)
* Experience with:
* Redis or distributed caching
* Familiar with:
* CI/CD and automated deployment pipelines
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