Senior Java Engineer — Rules Engine & Backend (Hybrid)

Humana Inc; Harrisburg (Dauphin County); Hybrid; USD 107,000 - 147,000; Full time

Job summary

Humana Inc. in the United States seeks a Senior Software Engineer on Team Caliber to build and maintain the NBA platform's rules engine, determining member eligibility, suppression, frequency, and consent before actions are taken.

This backend-leaning role uses Java, Drools, Spring Boot, and Kafka, ensuring correctness in a regulated environment. You will design, implement, and test robust rules and APIs, collaborating with product and compliance to translate requirements into scalable,

Qualifications

• Bachelor’s degree in computer science or a related 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/Spring Boot

REST APIs

Kafka

CI/CD

React/TypeScript

Testing discipline

Communication

Education

Bachelor's degree in computer science or relevant field

Tools

Java

Spring/Spring Boot

Drools

Kafka

Azure

Kubernetes

React

Terraform

Job description

Humana Inc. in the United States seeks a Senior Software Engineer on Team Caliber to build and maintain the NBA platform's rules engine, determining member eligibility, suppression, frequency, and consent before actions are taken.

This backend-leaning role uses Java, Drools, Spring Boot, and Kafka, ensuring correctness in a regulated environment. You will design, implement, and test robust rules and APIs, collaborating with product and compliance to translate requirements into scalable,