Lead Software Engineer - Evansville, IN; Baltimore, MD; Wilmington, DE; Charlotte, NC; Irving, TX.

QTech•Charlotte, MD

4d•Remote

About The Position

We are seeking a Lead Drools Engineer to design, build, and maintain business rules for a large-scale underwriting and decisioning platform. This role focuses on translating complex credit and risk policies into high-performance, explainable Drools rules that power real-time decisions.

Requirements

10+ years of experience working on Apache Drools
10+ years of experience working on Java
10+ years of experience working on Spring boot framework
Good communication and analytical skills
Understand the requirements clearly
Collaborate with cross-functional teams
Take ownership of assigned features
Deliver consistent and bug-free code to production

Responsibilities

Design, develop, and maintain Drools (KIE) rules using DRL, Decision Tables, and Rule Templates to implement complex underwriting, eligibility, and policy logic
Optimize rule execution for low latency and high throughput, including management of rule salience, agenda groups, rule flows, and conflict resolution
Ensure decisions are deterministic, explainable, and auditable, meeting regulatory and audit requirements
Contribute to the overall decisioning and rules architecture, designing rule sets for reusability, versioning, and controlled rollout
Participate in design reviews and technical discussions related to rule design and platform evolution
Develop unit tests and scenario-based tests to validate rule behavior across multiple decision paths
Troubleshoot production issues related to rule execution and support deployments across development, QA, and production environments
Act as a subject-matter expert for Drools and business rules best practices, mentoring junior engineers
Establish and enforce standards for rule authoring, documentation, testing, and maintainability

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