Role Overview
We are seeking a highly skilled Drools Developer to join our team on a contract basis. You will be responsible for designing, developing, and maintaining complex business rule sets that power our platform. The ideal candidate will have a deep understanding of the KIE (Knowledge Is Everything) ecosystem and the ability to translate intricate business requirements into efficient, scalable technical rules.
Key Responsibilities
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Rule Design & Implementation: Design and develop complex business rules using Drools (DRL), Decision Tables, and Guided Rules.
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Integration: Integrate Drools engines with existing Java/Spring Boot microservices.
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Optimization: Analyze and tune rule execution performance, ensuring efficient memory usage and low latency.
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Collaboration: Work closely with Business Analysts and Stakeholders to translate plain-English business logic into technical rule requirements.
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Testing: Implement unit testing for rules using JUnit and mock data to ensure high-quality, bug-free logic deployments.
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Version Control: Manage rule lifecycle and versioning using KIE Workbench or Git-based workflows.
Technical Requirements
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Core Expertise: 5+ years of experience in Java development with at least 3+ years specifically focused on JBoss Drools.
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Rule Language: Proficiency in DRL (Drools Rule Language), DSL (Domain Specific Languages), and Decision Tables (XLS/CSV).
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Architecture: Deep understanding of the Drools API, including KieSession, KieContainer, and Stateless vs. Stateful sessions.
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Java Stack: Strong experience with Spring Boot, Hibernate, and RESTful APIs.
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Patterns: Familiarity with Forward Chaining, Backward Chaining, and the Rete Algorithm.
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Tools: Experience with Maven, Git, and CI/CD pipelines. Experience with Red Hat Decision Manager (RHDM) or PAM is a significant plus.
