Humana logo
Humana

Humana Inc. (NYSE: HUM) is committed to putting health first – for our teammates, our customers, and our company. Through our Humana insurance services and CenterWell healthcare services, we make it easier for the millions of people we serve to achieve their best health – delivering the care and service they need, when they need it.

Lead Software Engineer – Next Best Action

Full-stack EngineerSoftware EngineerFull TimeRemoteSeniorTeam 10,001+Since 1961H1B SponsorCompany SiteLinkedIn

Location

Colorado + 4 moreAll locations: Colorado, Florida, Kentucky, Texas, Washington

Posted

43 days ago

Salary

$129.3K - $177.8K / year

Seniority

Senior

Bachelor Degree8 yrs expEnglishDistributed SystemsJavaKafkaPythonSpring

Job Description

• 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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