Java/Drools Developer

Company Description

Alter Solutions Portugal is an IT Consultancy Company, promoter of Digital Transformation, part of the Alter Solutions Group, created in 2006, in Paris.

In 2022, Alter Solutions joined the act digital group, constituting a global community of talent in Technology, with presence in thirteen countries: Germany, Belgium, Brazil, Canada, United States of America, Mexico, Morocco, Spain, France, Luxembourg, Poland, Portugal and Serbia. Also in 2023, we were certified as a Great Place to Work©.

In Portugal, we partner with over 120 clients and a team of over 500 people, working in projects for industries as diverse as banking, insurance, transportation, aviation, energy, and telecom.

Headquarters of the Nearshore IT center, Alter Solutions Portugal has a dedicated team of around 30 specialized professionals, integrated into projects with several internationally renowned clients.

Job Description

We are seeking an experienced Senior Drools Developer to design, implement, and maintain complex business rules and decision management systems. The ideal candidate will have a deep understanding of Drools, the Java ecosystem, and business rule management systems (BRMS). They will work closely with cross-functional teams to integrate Drools-based solutions into larger enterprise applications, ensuring scalability, performance, and maintainability.

Key Responsibilities:

Rule Design & Implementation

• Develop and maintain business rules using Drools and integrate them with enterprise applications.
• Analyze requirements and translate them into efficient and scalable rule logic.
• Collaborate with business analysts and domain experts to capture and implement decision logic.

System Integration

• Design and implement integrations between Drools and other application components using Java and related technologies.
• Ensure seamless data flow and interaction between Drools and external systems or databases.

Performance Optimization

• Optimize Drools rules and workflows to enhance performance and scalability.
• Monitor and troubleshoot Drools execution, identifying and resolving bottlenecks or issues.

Collaboration & Mentorship

• Work closely with architects, developers, and QA teams to ensure alignment with project goals and technical standards.
• Provide mentorship to junior developers, promoting best practices in Drools development and BRMS usage.

Documentation & Maintenance

• Maintain clear documentation of rules, workflows, and system integrations.
• Ensure all rule changes and deployments are tracked and version-controlled.

Qualifications

Education & Experience

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
• 5+ years of experience in Java development with at least 3+ years focused on Drools.
• Proven experience in designing and implementing complex business rule systems using Drools.

Skills & Competencies

• Expertise in Drools rule development, including DRL (Drools Rule Language).
• Strong Java programming skills, including experience with frameworks like Spring or Spring Boot.
• Solid understanding of BRMS and decision management systems.
• Experience with integration technologies (REST, SOAP, JMS, etc.).
• Familiarity with rule testing tools and strategies (e.g., JUnit, KIE Testing).
• Proficient in database integration, with knowledge of SQL and ORM tools (e.g., Hibernate).
• Strong problem-solving skills with attention to detail.
• Excellent communication skills, both verbal and written.

Preferred Skills

• Experience with cloud platforms (AWS, Azure, or Google Cloud) for deploying Drools-based solutions.
• Knowledge of Apache Kafka or similar event-driven platforms.
• Familiarity with containerization tools like Docker and orchestration frameworks like Kubernetes.