Java Integration and Data Acquisition Engineer

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• 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 congurations, 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 xtures).
• 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.