Java developer in fraud detection

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• Participation in the implementation and development of a fraud detection system for Claims Settlement.
• Analysis of business and technical requirements and their implementation using configuration mechanisms, product extensions, and dedicated components of the supplied solution.
• Design, implementation, and maintenance of integrations between the claims system and internal and external systems, using APIs, events, integration services, and enterprise architecture patterns.
• Assessment of the capabilities of the system's standard functionality and recommendation of the optimal approach among configuration, product customization, and building dedicated solutions.
• Ensuring the high quality of delivered solutions by developing automated tests, participating in integration and system testing, and applying software engineering best practices.
• Supporting data migration processes, environment integration, and preparing the organization to launch and develop the new claims platform.
• Active use of AI tools and the Agentic AI approach in requirements analysis, solution design, implementation, testing, documentation, and system maintenance.
• Daily collaboration in an international project environment focused on knowledge sharing, continuous improvement, and the effective implementation of a modern platform supporting claims handling processes.

• Good knowledge of Java (>5 years).
• Good knowledge of Kafka.
• Good knowledge of Spring/Hibernate, Spring Boot, and Spring Cloud (>5 years).
• Good knowledge of SQL (>5 years).
• Knowledge of quality assurance, including frameworks for writing unit tests (JUnit, TestNG, Spock) and integration tests (Testcontainers, WireMock).
• Knowledge of Domain-Driven Design (DDD) and practical experience applying it.
• Knowledge of workflow engines and BPMN notation.
• Knowledge of patterns and mechanisms for ensuring service resilience in distributed systems.
• Ability to adopt AI tools in the software development process.
• Providing services from within Poland.
• Providing services in a hybrid model — at least 1 day working from the office.
• Будет плюсом: Experience using AI agents and Agentic AI tools in the software development process; Experience with cloud solutions; Knowledge of the Angular framework and experience building frontend applications

• B2B contract.
• Rate of up to PLN 130 net + VAT per hour.