Drools Lead Rules Engine Engineer

Job Title: Lead Rules Engine Engineer (Drools)

Overview

We are looking for an experienced engineer to lead the development and management of a business rules platform that supports real-time decision-making workflows. This role involves translating complex policy and risk logic into efficient, transparent, and scalable rule-based solutions.

Key Responsibilities

• Develop and maintain business rules using Drools (KIE), including DRL files, decision tables, and rule templates
• Convert complex business and risk policies into structured, reusable, and high-performing rule logic
• Enhance rule execution performance to support low-latency, high-throughput processing
• Ensure outcomes generated by the rules engine are consistent, traceable, and aligned with compliance standards
• Design rule architecture with a focus on modularity, version control, and safe deployment practices
• Collaborate in system design discussions and contribute to the evolution of the rules platform
• Create comprehensive unit and scenario-based test cases to validate rule behavior across various use cases
• Investigate and resolve issues related to rule execution in different environments (development, testing, production)
• Provide guidance and mentorship on best practices for rule design, testing, and maintenance
• Establish standards for documentation, governance, and lifecycle management of rules

Required Qualifications

• 7+ years of experience in software development
• At least 4 years of hands-on experience with Drools or similar rules engine technologies
• Strong programming skills in Java, with experience in frameworks such as Spring or Spring Boot
• Solid understanding of:
  • Rule authoring (DRL, decision tables, templates)
  • Stateful and stateless rule execution models
  • Performance tuning and debugging of rules
  • Policy-driven or decisioning systems
  • Business Rules Management Systems (BRMS)
• Familiarity with cloud environments and CI/CD practices

Preferred Skills

• Exposure to distributed systems or lightweight orchestration frameworks
• Experience with additional programming languages such as Python or JavaScript

What Success Looks Like

• Business rules are clearly defined, maintainable, and aligned with policy requirements
• Decision-making processes are fast, reliable, and easy to interpret
• Rule updates can be implemented with minimal risk and disruption
• The rules platform remains scalable, stable, and compliant with applicable standards