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Cyclad Sp. z o.o. Logo Cyclad Sp. z o.o. · IT - Software Development

Drools Consultant / Rule Engine Expert

B2B · Job Posted May 31, 2026
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Job Description

We are looking for a highly experienced Drools Consultant / Rule Engine Expert to join a strategic 6-month initiative focused on implementing and optimizing rule-based decision systems within a modern enterprise environment. The project offers flexibility regarding engagement model — we are open to both full-time and part-time cooperation, depending on the consultant’s availability and expertise. In this role, you will support development teams in building scalable and maintainable Drools-based solutions, helping establish technical standards, improve architecture quality, and accelerate adoption of the rule engine ecosystem across the organization.

Job Responsibility

  • Support teams in designing and implementing enterprise-grade solutions based on the Drools ecosystem
  • Analyze existing technical challenges and identify improvements related to performance, scalability, and maintainability
  • Define best practices for rule architecture, coding standards, and rule lifecycle management
  • Collaborate closely with software engineers, architects, and QA teams to ensure high-quality delivery
  • Participate in code reviews, workshops, and technical knowledge-sharing sessions
  • Design robust integrations between Drools components and modern microservices-based architectures
  • Identify technical risks and propose mitigation strategies within complex project environments
  • Contribute hands-on to implementation activities and optimization initiatives
  • Prepare and maintain technical documentation and implementation guidelines

Requirements

  • Deep practical expertise with Drools, Business Central, KIE Server / KIE Containers, Complex Event Processing (CEP)
  • Strong Java development background, including Spring / Spring Boot and Hibernate
  • Experience in designing rule-based architectures within distributed systems
  • Strong understanding of software architecture and integration patterns
  • Ability to troubleshoot complex technical issues and drive solutions proactively
  • Excellent collaboration and communication skills
  • Experience working closely with development teams in Agile environments
  • Very good English communication skills

Nice to have

  • OptaPlanner / Timefold
  • constraint-solving engines
  • Domain-Driven Design (DDD) principles

What we offer

  • Opportunity to influence architecture and technical standards in a strategic initiative
  • High-impact role with strong ownership and autonomy
  • International and collaborative project environment
  • Access to modern tools, technologies, and a knowledge-sharing culture
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