Advanced Java and strong production experience with Spring Boot and its ecosystem.
Strong database integration skills SQL/NoSQL, transactions, schema design, query tuning, and ORM (Spring Data, JPA/Hibernate, JDBC).
Building and operating containerized Java services through Git-based CI/CD in Kubernetes or comparable orchestration.
API integration well beyond basic CRUD auth, pagination, rate limits, retries, and unreliable upstream behavior including hands-on Microsoft Graph or similarly complex enterprise APIs.
Working experience consuming or implementing GraphQL, plus gRPC and Protocol Buffers.
Deep JSON and XML parsing (Jackson, StAX/SAX/JAXB) with secure parser configurations, and byte-level diagnosis of text-encoding and binary-format issues.
Resilience engineering timeouts, retries, backoff, circuit breakers, idempotency, and checkpointing with strong automated testing (JUnit, contract, and adversarial fixtures).
Experience integrating applications with LLM APIs or SDKs (structured output, streaming, context limits, provider failures).
Secure development practices and clear communication of protocol and data-quality issues to technical and non-technical stakeholders.

Java Developer

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