Senior Drools Developer – Pune (Immediate Joiners Preferred)

About the Role:

We are seeking a highly experienced Senior Drools Developer with 5+ years of hands-on expertise to architect, develop, and optimize complex rule-based systems. The ideal candidate will have deep proficiency in Drools, strong Java and Spring Boot experience, and the ability to translate intricate business logic into scalable, high-performing decision services. This role involves end-to-end rule governance, performance tuning, leadership responsibilities, and close collaboration with business stakeholders.

Key Responsibilities: Rule Development & Maintenance

• Design, develop, optimize, and maintain rules using Drools (DRL, Decision Tables, Ruleflows, DSLs, Guided Rules).
• Build and manage KIE modules, knowledge bases, and reusable rule assets.
• Develop modular and scalable rule architectures for complex enterprise applications.
• Implement stateful/stateless sessions, event-driven logic, temporal constraints, and CEP (Drools Fusion) when needed.

Integration & Architecture

• Integrate Drools seamlessly with Java/Spring Boot applications, REST APIs, microservices, and messaging systems.
• Build and maintain CI/CD pipelines for automated rule validation and deployment.
• Work with Docker/Kubernetes for containerized deployment of decision services.
• Implement KIE Server, KIE Scanner, and enterprise-grade rule governance tools.

Performance, Debugging & Optimization

• Profile rule execution and optimize performance using agenda-group/activation-group configuration, salience tuning, and Rete-related optimizations.
• Troubleshoot rule fires, resolve conflicts, manage working memory, and ensure rule accuracy.
• Conduct regression testing, backward compatibility checks, and rule impact analysis.

Business Logic & Collaboration

• Translate complex business requirements into clear decision logic and maintain documentation.
• Collaborate with product, business, and engineering teams to validate rule outcomes and refine logic.
• Provide guidance on designing domain models, fact structures, and decision flows.

Leadership & Mentorship

• Mentor junior developers on rule authoring, debugging, optimization, and best practices.
• Participate in architectural discussions related to decision automation and rule frameworks.
• Conduct code reviews and enforce quality standards for rule development.

Required Skills

• 5+ years hands-on experience with Drools.
• Strong proficiency in Java, with solid understanding of Spring Boot and microservices architecture.
• Expertise in DRL syntax, ruleflows, DSLs, guided rules, decision tables, and KIE integration.
• In-depth knowledge of Rete algorithm, agenda behavior, salience, activation groups, and rule conflict resolution.
• Experience with KIE Server, Git, CI/CD pipelines, rule deployment automation, and version control.
• Understanding of fact models, event processing, temporal reasoning, and working memory management.
• Strong analytical, debugging, communication, and documentation skills.

Nice to Have

• Experience with DMN, Camunda DMN, or other rule/decision engines.
• Domain experience in fintech, telecom, insurance, or e-commerce.
• Exposure to distributed systems, Kafka/MQ, cloud-native services, or enterprise SOA.

What We Offer:

• Opportunity to work with cutting-edge cloud technologies and modern DevOps practices.
• Exposure to large-scale, mission-critical infrastructure.
• Health insurance coverage.
• Performance-based bonuses.
• Professional development opportunities and certification support.
• Collaborative and supportive team environment.

Work Model:

• Work Hours: Standard 9-hour workday 10:30 AM to 7:30 PM, Monday to Friday.
• Location: On-site at Pune, Maharashtra .
• Work Mode: Candidates must be able to reliably commute or relocate to Pune prior to joining.
• Preference: Immediate joiners or those with short notice periods will be given priority.

Job Details:

• Job Type: Full-time, On-site, Permanent
• Location: Baner, Pune, Maharashtra

Schedule: Day shift

Job Types: Full-time, Permanent

Benefits:

• Health insurance
• Paid sick time
• Paid time off

Ability to commute/relocate:

• Baner, Pune, Maharashtra: Reliably commute or planning to relocate before starting work (Required)

Application Question(s):

• Are you available to join immediately? If not, please mention your notice period.

Experience:

• Drools: 4 years (Required)

Work Location: In person