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Java Drools Rule Engine Jobs in California (NOW HIRING)

360 IT Professionals

Java Developer

San Ramon, CA

$57 - $73.75/hr

Exp with Drools or custom drool engine is a plus * Database Oracle, MySQL * Looking for hands-on developer * Banking is a plus but not necessary * Looking for 8 years of java experience Additional ...

Jobsbridge

JAVA ENTERPRISE ARCHITECT

San Diego, CA

Knowledge of Drools or other rules engine and messaging infrastructure. Considerable experience as ... Qualifications Java/JEE designs, Java/JEE applications, JSP, Servlets, Struts/Spring, EJB 3/3.1 ...

Redolent, Inc

Software Engineer - Java/Cloud

Sunnyvale, CA · On-site

$60.75 - $83.25/hr

... Drools, Rest/Grpc Webservices. * Work with application team to migrate from virtual machines to ... Analytics Engine * Directs root cause analysis of critical business and production issues by ...

Walmart

Senior, Software Engineer

Fremont, CA · On-site

$117K - $234K/yr

Develop and evolve a domain-agnostic rule execution engine , enabling configurable business rule ... Strong proficiency in Java and Spring Boot -- RESTful microservices, dependency injection, async ...

Walmart

Senior, Software Engineer

Cupertino, CA · On-site

$117K - $234K/yr

Develop and evolve a domain-agnostic rule execution engine , enabling configurable business rule ... Strong proficiency in Java and Spring Boot -- RESTful microservices, dependency injection, async ...

Walmart

Senior, Software Engineer

San Jose, CA · On-site

$117K - $234K/yr

Develop and evolve a domain-agnostic rule execution engine , enabling configurable business rule ... Strong proficiency in Java and Spring Boot -- RESTful microservices, dependency injection, async ...

Walmart

Senior, Software Engineer

San Mateo, CA · On-site

$117K - $234K/yr

Develop and evolve a domain-agnostic rule execution engine , enabling configurable business rule ... Strong proficiency in Java and Spring Boot -- RESTful microservices, dependency injection, async ...

Walmart

Senior, Software Engineer

Sunnyvale, CA · On-site

$117K - $234K/yr

Develop and evolve a domain-agnostic rule execution engine , enabling configurable business rule ... Strong proficiency in Java and Spring Boot -- RESTful microservices, dependency injection, async ...

Walmart

Senior, Software Engineer

Hayward, CA · On-site

$117K - $234K/yr

Develop and evolve a domain-agnostic rule execution engine , enabling configurable business rule ... Strong proficiency in Java and Spring Boot -- RESTful microservices, dependency injection, async ...

Walmart

Senior, Software Engineer

Milpitas, CA · On-site

$117K - $234K/yr

Develop and evolve a domain-agnostic rule execution engine , enabling configurable business rule ... Strong proficiency in Java and Spring Boot -- RESTful microservices, dependency injection, async ...

Walmart

Senior, Software Engineer

Mountain View, CA · On-site

$117K - $234K/yr

Develop and evolve a domain-agnostic rule execution engine , enabling configurable business rule ... Strong proficiency in Java and Spring Boot -- RESTful microservices, dependency injection, async ...

Pennymac

Senior DevOps Engineer

Westlake Village, CA · On-site

$95K - $155K/yr

... Java and other microservices. * Extensively utilize Terraform and OpenTofu for managing and ... Provide DevOps support and expertise for the rules engine upgrade to Drools 10 , focusing on ...

TikTok

Ads Targeting Data Engineer, Ads Core

San Jose, CA · On-site

$156K - $316K/yr

... rule engine, access control & auditing - Collaborate with ML/product/compliance to ensure stable ... Java/Scala/Python; solid engineering and performance tuning skills - Strong ownership of data ...

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Java Drools Rule Engine information

What is the difference between Java Drools Rule Engine vs Java Business Analyst?

AspectJava Drools Rule EngineJava Business Analyst
Primary RoleDesigning and implementing business rules using DroolsAnalyzing business processes and requirements
Required SkillsJava, Drools, rule-based systemsBusiness analysis, Java, communication skills
Work EnvironmentSoftware development teams, IT projectsBusiness units, project management
Industry UsageFinancial, insurance, healthcare IT systemsBusiness process improvement, system implementation

Java Drools Rule Engine developers focus on creating and maintaining rule-based systems using Drools, requiring technical Java skills. Java Business Analysts analyze business needs and translate them into technical requirements, often collaborating with developers. While both roles may work in similar industries, their core responsibilities and skill sets differ significantly.

What are the key skills and qualifications needed to thrive as a Java Drools Rule Engine Developer, and why are they important?

To excel as a Java Drools Rule Engine Developer, you need strong Java programming skills, a solid understanding of business rule management systems (BRMS), and experience with rule authoring and testing. Familiarity with the Drools framework, rule syntax (DRL), integration tools like KIE Workbench, and knowledge of related technologies such as Maven or Spring are typically required. Analytical thinking, attention to detail, and effective communication are crucial soft skills to translate complex business logic into executable rules and collaborate with stakeholders. These competencies ensure accurate implementation of business rules, efficient system performance, and alignment with organizational objectives.

What are some common challenges faced when implementing business rules using the Java Drools Rule Engine, and how can they be addressed?

One common challenge is managing the complexity of large rule sets, which can become difficult to maintain and debug as business logic evolves. To address this, it's important to establish clear documentation and naming conventions, modularize rules into logical groups, and use version control effectively. Collaboration with business analysts is also key to ensuring rules accurately reflect requirements. Additionally, thorough testing—both unit and integration tests—helps catch issues early and ensures rules interact as expected.

What is a Java Drools Rule Engine?

A Java Drools Rule Engine is a business rules management system (BRMS) written in Java that allows developers to define, deploy, execute, and maintain business rules separately from application code. Drools uses a declarative approach, enabling subject matter experts to specify rules in a readable format, which the engine then interprets and enforces at runtime. This separation of rules from logic helps organizations adapt to changing business requirements more efficiently. Drools supports complex event processing, workflows, and decision tables, making it versatile for various business scenarios.
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What job categories do people searching Java Drools Rule Engine jobs in California look for? The top searched job categories for Java Drools Rule Engine jobs in California are:
What cities in California are hiring for Java Drools Rule Engine jobs? Cities in California with the most Java Drools Rule Engine job openings:
Java Drools Rule Engine jobs near you
Infographic showing various Java Drools Rule Engine job openings in California as of July 2026, with employment types broken down into 2% Internship, 2% As Needed, 17% Full Time, 64% Part Time, 5% Temporary, and 10% Nights. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution.
Java Developer

Java Developer

360 IT Professionals

San Ramon, CA

$57 - $73.75/hr

Contractor

Re-posted 3 days ago

Job description

Job Description



  • strong Java/ J2EE with MVC frameworks like Struts, Spring, Hibernate
  • Also SOAP, Restful Web services
  • Front end technologies, HTML, Jquery, JavaScript
  • Angular is a plus
  • Exp with Drools or custom drool engine is a plus
  • Database Oracle, MySQL
  • Looking for hands-on developer 
  • Banking is a plus but not necessary
  • Looking for 8 years of java experience
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