Senior Java Engineer: Rules Engine & Kafka (Hybrid)

Humana Inc; Dover (DE); Hybrid; USD 107,000 - 147,000; Full time

Benefits offered by this job

Medical benefits

Dental and vision benefits

401(k) retirement savings plan

Time off including PTO and holidays

Short/long-term disability

Life insurance

Job summary

Humana Inc. seeks a Senior Full Stack Engineer for Team Caliber to build and maintain the NBA platform's business rules engine that determines member eligibility, suppression, frequency, and consent before actions are taken.

You will design rules in Java/Drools, create Java/Spring services, and connect via Kafka while ensuring PHI handling and regulatory compliance. The role emphasizes backend code quality, thorough testing, and collaboration with Product and Compliance, with remote/hybrid work

Qualifications

• 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

Backend APIs

Kafka

Azure Cloud

Testing

Communication

Tools

Drools

React/TS

Kubernetes

Helm

Terraform

Job description

Humana Inc. seeks a Senior Full Stack Engineer for Team Caliber to build and maintain the NBA platform's business rules engine that determines member eligibility, suppression, frequency, and consent before actions are taken.

You will design rules in Java/Drools, create Java/Spring services, and connect via Kafka while ensuring PHI handling and regulatory compliance. The role emphasizes backend code quality, thorough testing, and collaboration with Product and Compliance, with remote/hybrid work