Senior Java Rules Engine Engineer

Humana; United States; Hybrid; USD 140,000 - 170,000; Full time

Job summary

Humana is seeking a Senior Software Engineer to join Team Caliber, building and maintaining the NBA platform's rules engine. You will implement business rules in Java/Drools, expose them via REST APIs, and connect through Kafka events within a HIPAA-compliant environment.

You will design scalable backend services, ensure correctness and performance, and collaborate with Product and Compliance to translate regulatory needs into maintainable rules.

Qualifications

• Bachelor's degree in computer science or a relevant field.
• 5+ years of software engineering experience with strong Java and Spring/Spring Boot skills.
• Experience building and maintaining backend services and REST APIs in production.
• Comfort designing and reasoning about complex conditional/business logic.
• Working knowledge of event-driven integration and Kafka producer/consumer patterns.
• Experience operating on cloud infrastructure (Azure or equivalent) with containers/Kubernetes and CI/CD.
• Strong testing discipline and attention to correctness.
• Clear communicator across engineering, product, and compliance.

Responsibilities

• Rules engine development - Design, build, and maintain business rules in Java and Drools that govern eligibility, suppression, frequency capping, and consent.
• Backend services - Build and own the Java/Spring services and REST APIs that expose the rules engine to the rest of the platform.
• Event integration - Produce and consume Kafka events to connect the rules engine to upstream signals and downstream decisioning and activation.
• Correctness and testing - Write thorough tests for rule logic and services; treat rule correctness as a first-class, auditable concern.
• Performance - Keep rule evaluation fast and predictable as the ruleset and traffic grow.
• Quality - Run and participate in code reviews, uphold engineering standards, and ship production-ready code in a PHI-handling environment.
• Collaboration - Partner with Product and compliance to turn business and regulatory requirements into clear, maintainable rules.

Skills

Java

Spring Boot

REST APIs

Kafka

CI/CD

Testing

Communication

Education

Bachelor's degree in computer science or relevant field

Tools

Drools

React

TypeScript

Kubernetes

Helm

Terraform

Azure

Job description

Humana is seeking a Senior Software Engineer to join Team Caliber, building and maintaining the NBA platform's rules engine. You will implement business rules in Java/Drools, expose them via REST APIs, and connect through Kafka events within a HIPAA-compliant environment.

You will design scalable backend services, ensure correctness and performance, and collaborate with Product and Compliance to translate regulatory needs into maintainable rules.