senior Drools Developer - REMOTE

Role: Senior Drools Engineer

Location: REMOTE

Duration: Longterm

We are seeking a Senior 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.

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

       •      7+ years of software engineering experience

       •      5+ years hands‑on experience with Drools / KIE

       •      Strong proficiency in Java

       •      Experience in building a lightweight orchestration layer using Apache Pekko is a plus

       •      Deep experience with:

       ◦      DRL, Decision Tables, Rule Templates

       ◦      Stateless and stateful KIE sessions

       ◦      Rule performance tuning and debugging

       ◦      Experience building or supporting policy‑driven or decisioning systems

       ◦      Strong understanding of business rules management systems (BRMS)

       ◦      Exposure to cloud platforms and CI/CD pipelines

What Success Looks Like

       •      Business policies are accurately captured as maintainable Drools rules

       •      Decisions are fast, consistent, and explainable

       •      Rule changes can be made confidently without impacting platform stability

       •      The rules layer is reliable, scalable, and regulator‑ready