Staff Engineer Software

We are seeking a Staff engineer with Drools expertise 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. Key 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 Required Qualifications 10+ years of software engineering experience 7+ years hands‑o