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Principal Software Engineer (Drools and Java)

Randstad USA, Raleigh, NC, United States


Job Summary
5+ years of hands‑on experience building and operating Drools-based (or equivalent BRMS) solutions in production environments.

Deep knowledge of object-oriented design, domain‑driven design, and clean architecture principles.

Location: Durham, North Carolina
Job type: Contract
Salary: $81 – $82 per hour
Work hours: 8am to 5pm
Education: Bachelors

Responsibilities

Strong understanding of:

Stateless vs. stateful rule execution models

Decision tables, DRL, and rule flows

Rule performance tuning, conflict resolution, and lifecycle management

Experience using copilot (or AI in general) as part of engineering practices

Architecture & Systems Design – Proven ability to own and evolve rules engine architectures, including rule authoring patterns, execution strategies, versioning, and governance.

Experience designing scalable, resilient Java services that integrate rules engines with distributed systems (RESTful APIs, messaging, event‑driven architectures).

Strong understanding of performance, memory management, and operational characteristics of rules‑based systems.

Leadership & Influence – Demonstrated ability to lead technically without formal authority, influencing architecture and engineering decisions across teams.

Experience leading technical design reviews and providing architectural guidance for complex systems.

Strong mentorship mindset, with a track record of elevating senior and mid‑level engineers.

Collaboration & Business Enablement – Ability to partner closely with product owners and domain experts to translate business policy into clear, executable decision logic.

Experience supporting DevOps/SRE practices, including deployment strategy, monitoring, and observability for rules‑driven services.

Comfortable representing engineering perspectives in cross-organization architectural discussions and modernization initiatives.

Qualifications
10+ years of professional software engineering experience, with deep expertise in Java and enterprise application development.

Benefits
Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

Equal Opportunity Employer
Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

This posting is open for thirty (30) days.

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