Lead Platform Engineer - NBA

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About the role

Become a part of our caring community   We are seeking a seasoned Lead Software Engineer to architect and deliver the foundational services that enable real time recommendations to become dependable, auditable, and scalable outcomes. In this position, you will own the design and implementation of the State Machine (managing authoritative state and legal transitions) and Transactional Outbox (ensuring exactly-once intent emission for downstream consumers). Your solutions must be robust, traceable, and maintain high performance under significant concurrency and latency demands. This role is hands-on, combining technical leadership with active engineering: you will architect systems, set technical standards, mentor peers, and collaborate closely across platform, data, and product teams. About the Platform The Next Best Action (NBA) Decision Intelligence Platform is Humana's enterprise system for personalized, omnichannel member engagement. It decides the next best action for each Medicare Advantage member — what to communicate, when, and through which channel — and delivers it reliably across the member journey. The platform pairs a real-time decisioning and orchestration stack with reinforcement-learning and agentic-AI models trained on the Databricks Lakehouse, all operating under the compliance and auditability requirements of a regulated healthcare environment.   Role Summary The Lead Full Stack Engineer owns the NBA platform's quality, reliability, scalability, and operational excellence. This role takes responsibility for the platform once capabilities have been delivered by the feature pods, ensuring services are production-ready, observable, resilient, and capable of operating at enterprise scale. The role spans automated testing, platform observability, reliability engineering, and production readiness across a distributed ecosystem built on Java, Python, Node.js, and TypeScript. This is a hands-on technical leadership role: you write code, lead a small team of engineers and contractors, and are accountable for the platform's operational health, performance, and long-term sustainability.   Key Responsibilities •Pod delivery — Own delivery for the platform scale and reliability pod, including planning, execution, quality, and operational readiness across the NBA platform. •Platform reliability — Own uptime, performance, resilience, and operational excellence across platform services; proactively identify bottlenecks, failure points, and scaling constraints before they become production incidents. •Quality engineering — Build and maintain automated testing frameworks spanning unit, integration, end-to-end, regression, and performance testing; establish quality standards that all delivery pods must meet before release. •Hands-on development — Contribute production code alongside the team, building reliability tooling, test automation, observability capabilities, and platform infrastructure improvements. •Observability and monitoring — Own the platform's logging, metrics, distributed tracing, alerting, and monitoring strategy; ensure engineering teams have deep visibility into system behavior across environments. •Error and failure management — Define and enforce patterns for exception handling, fault tolerance, recovery, and operational diagnostics across distributed services. •Scalability engineering — Evaluate platform behavior under load and lead initiatives that improve performance, throughput, reliability, and cost efficiency as membership volume and engagement activity grow. •Production readiness — Define and enforce release readiness criteria, operational quality gates, and handoff standards that services must satisfy before entering production ownership. •Team leadership — Manage and mentor engineers and contractors; c

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