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Louisville, Kentucky-based Humana is a leading healthcare company that offers a variety of health, wellness, and insurance products and services designed to offer an integrated app
Lead Software Engineer – Next Best Action
Location
Colorado + 4 moreAll locations: Colorado | Florida | Kentucky | Texas | Washington
Posted
124 days ago
Salary
$129.3K - $177.8K / year
Seniority
Senior
Job Description
Lead Software Engineer – Next Best Action
Humana
• Become a part of our caring community and help us put health first • design, develop, and own a high-performance, real-time decision engine. • This stateless, deterministic platform delivers rapid, transparent, and reproducible recommendations across digital and assisted channels. • The engine evaluates contextual inputs, applies versioned business rules, incorporates model scores, and generates ranked, explainable decision responses, while execution and state management are handled by downstream systems. • Ideal for candidates passionate about low-latency Java services, robust API design, and building highly auditable systems.
Job Requirements
- 8+ years of experience in backend or platform engineering, with at least 3 years in a senior or lead role.
- Deep expertise in Java/JVM, including performance tuning, concurrency, garbage collection, and profiling; strong background in developing low-latency APIs (e.g., Spring Boot, Netty).
- Proven experience with distributed systems, event-driven architectures (Kafka or similar), idempotent design patterns, and contract-first API development (OpenAPI).
- Direct experience implementing rules engines with at least one of: Drools/DMN, IBM ODM, CEL, OPA/Rego, or a custom JVM DSL (including parser/AST/bytecode/interpreter development).
- Demonstrated discipline in achieving determinism, versioning, explainability, and auditability.
- Track record of delivering real-time decisioning, recommendation, or policy services at scale.
- Experience designing DSLs (e.g., with ANTLR or custom parsing) or optimizing rules engines for performance and maintainability.
- Experience integrating production model services (feature stores, model registries; A/B or shadow evaluation).
- Background in regulated or mission-critical industries (healthcare, finance, telecommunications), with emphasis on separation of duties and strong data controls.
- Proficiency with related stacks: Python for offline analysis.
Benefits
- medical, dental and vision benefits
- 401(k) retirement savings plan
- time off (including paid time off, company and personal holidays, volunteer time off, paid parental and caregiver leave)
- short-term and long-term disability
- life insurance
- many other opportunities
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