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The Senior Full Stack Engineer - Platform & Architecture is a hands-on senior engineer role with broad scope across the full stack (user experience, front-end, APIs/services, integrations, database, and hosting) for the Wisconsin Medicaid Market. The role emphasizes end-to-end ownership-from building intuitive, accessible user experiences to designing reliable back-end services-while driving platform consistency and mentoring engineers to deliver secure, scalable solutions.
This position blends day-to-day full stack engineering with technical leadership. It involves architecture-minded decision making, modernizing legacy systems, and reducing technical debt. Additionally, it establishes consistent patterns across UI, API, data, and integration layers for two independent health plan technology stacks. The role promotes modern engineering practices, including CI/CD, infrastructure and security as code, automated testing, accessibility, and observability. It also expects responsible use of Humana-approved AI and code generation tools to accelerate delivery and improve quality.

The Senior Full Stack Engineer - Platform & Architecture is responsible for hands-on architecture, design, development, and modernization of applications and platforms that support the Wisconsin Medicaid Market. This role operates with a high degree of autonomy and trust, owning solutions end-to-end across the full stack rather than confining itself to a single application or technology area.

The Wisconsin Medicaid Market IT team functions as a highly empowered, end-to-end technology organization supporting two acquired health plans with independent core administration systems and technology stacks. As a result, this role works across the full spectrum of core platforms and supporting systems. It collaborates with peers, enterprise architecture, and platform partners to define technical direction, align to enterprise standards where appropriate, and reduce system complexity and operational burden.

Unlike some enterprise roles, this position regularly wears multiple hats-building and modernizing software across user experience, front-end, back-end, database, integration, and hosting layers; contributing architectural vision; addressing technical debt; and improving reliability and scalability across environments. The engineer will lead by example through hands-on delivery, strong code review practices, and mentoring. Additionally, they will drive software-driven automation, focusing on CI/CD, infrastructure, and security as code. They will also adopt cloud-native patterns, such as containers and orchestration, where they fit the market's needs. The role will also champion practical, responsible use of Humana-approved AI-assisted development and code generation tools. These tools include Google-based tooling in Humana's standard stack. The goal is to increase throughput and strengthen code quality. Additionally, the role will ensure solutions meet usability and accessibility expectations, particularly where customer or operational user interfaces are involved.

Success in this role is driven not only by technical outcomes, but also by how the individual shows up: bringing curiosity, ownership, collaboration, and a growth mindset. This role is well suited for a senior engineer. The ideal candidate can translate ambiguous requirements into pragmatic designs, communicate tradeoffs to technical and non-technical stakeholders, mentor teammates through design and delivery, and progressively take on broader platform and architecture responsibility while remaining hands-on.

Team Culture & Expectations

On the Wisconsin Medicaid Market IT team, how you show up is as important as what you accomplish. We value ownership, curiosity, collaboration, and a strong desire to learn and make a meaningful difference. Team members are trusted to operate with autonomy, take accountability for outcomes, and work across domains to solve problems endtoend.

A growth mindset, comfort operating in ambiguity, and willingness to continuously learn new technologies and approaches are essential for success in this role-including embracing and effectively leveraging Humanaapproved AIassisted development and code generation as a standard part of how the team delivers highquality outcomes.

Use your skills to make an impact

Required Skills & Capabilities

• Full Stack Application & Platform Engineering

Deep experience building and modernizing applications across the full stack, including user experience/front-end, APIs and back-end services, data, integrations, and hosting. Strong experience with the Microsoft technology stack (e.g., .NET, SQL Server, Windows-based services) and cloud-hosted solutions (especially Azure). Comfortable working across application, integration, and platform layers in complex environments, with a track record of owning features end-to-end from UI through production operations.

• Front-End / Web Engineering (UI, Accessibility, Performance)

Strong experience building and maintaining modern web user interfaces, including component-based UI development, state management, and integration with back-end APIs. Knowledge of accessibility best practices (e.g., WCAG-aligned design), secure front-end patterns, and performance optimization. Ability to collaborate with stakeholders to translate workflows into clear, usable experiences.

• API Design, Integration Patterns & Data Contracts

Experience designing and evolving APIs and service interfaces (REST preferred; event-driven patterns where appropriate), defining durable data contracts, and integrating with third-party/vendor and enterprise services. Understands authentication/authorization flows, versioning, backward compatibility, and strategies for minimizing integration brittleness across systems.

• Secure Engineering Across the Stack (AppSec)

Demonstrated ability to apply secure-by-design practices across UI, API, and data layers, including input validation, secrets management, dependency hygiene, threat-aware design, and secure SDLC practices. Experience partnering with security teams and implementing controls in pipelines (SAST/DAST/dependency scanning where available) while balancing usability and delivery needs.

• DevOps, Automation, and Infrastructure/Security as Code

Experience designing delivery pipelines and operational automation (CI/CD), applying infrastructure as code and security as code practices, and improving developer experience through repeatable, self-service patterns.

• Cloud-Native Patterns (Containers & Orchestration)

Working knowledge of containerization and orchestration concepts (e.g., Docker and Kubernetes/AKS) and when to apply them to improve scalability, resilience, and consistency across environments.

• Reliability, Observability & Operational Excellence

Ability to improve production supportability through monitoring, logging, alerting, and runbook-style documentation; experience reducing incident volume via root-cause analysis, automation, and resilient design.

• CrossDomain Systems Thinking

Ability to understand and navigate interactions across multiple insurance core systems, platforms, and supporting services, identifying opportunities to simplify workflows and reduce system sprawl.

• ArchitectureMinded Engineering

Strong aptitude for evaluating existing solutions, identifying technical debt, and recommending pragmatic architectural improvements that balance nearterm delivery with longterm sustainability.

• Modernization, Reliability & Code Quality

Experience modernizing legacy technologies and improving reliability, performance, and operational supportability through thoughtful design, refactoring, and automation.

• AIAssisted Development & Code Generation

Comfort actively leveraging AIassisted development and code generation tools to improve productivity, code quality, analysis, and learning. Expected to use these tools daytoday and model effective practices for the team. We highly prefer experience with Humana's approved code generation tooling (e.g., Windsurf/Codeium); we equally value strong aptitude and willingness to learn.

• Ways of Working & Mindset

Thrives in autonomous, high-trust environments. Comfortable wearing multiple hats, collaborating across teams, influencing through expertise, and remaining hands-on while leading technical direction, mentoring teammates, and partnering with leaders on architectural and process decisions.

Additional Job Responsibilities

• Performs hands-on design and delivery across the full stack for the Wisconsin Medicaid Market (user experience/UI, APIs/services, data, integrations, and hosting)
• Work across multiple insurance core administration platforms and supporting services rather than a single domain
• Drives technical architecture and design across UI, API, data, and integration layers; present a clear vision and pragmatic patterns that standardize approaches and improve efficiency across technology stacks
• Identify and address technical debt and reliability gaps that improve scalability, supportability, and operational outcomes
• Support modernization efforts (including modernization of UI/front-end where applicable and hardening/modernizing service and integration layers), with an emphasis on automation and repeatability
• Partner with IT leadership, enterprise architects, and platform teams to align decisions with enterprise standards and long-term direction
• Ensure solutions meet security, compliance, and HIPAA requirements, including applying security-as-code and appropriate controls in delivery pipelines
• Mentor engineers through design discussions and code reviews; coach on delivery practices (testing, CI/CD, observability) and model effective use of Humana-approved AI and code generation tools
• Balance hands-on delivery while exercising your technical leadership (architecture decisions, alignment, and coaching) as priorities evolve

Additional Information

Work-At-Home Requirements

• WAH requirements: Must have the ability to provide a high speed DSL or cable modem for a home office. Associates or contractors who live and work from home in the state of California will be provided payment for their internet expense.
• A minimum standard speed for optimal performance of 25x10 (25mpbs download x 10mpbs upload) is required.
• Satellite and Wireless Internet service is NOT allowed for this role.
• A dedicated space lacking ongoing interruptions to protect member PHI / HIPAA information

Travel: While this is a remote position, occasional travel to Humana's offices for training or meetings may be required.

Scheduled Weekly Hours

40

Pay Range

The compensation range below reflects a good faith estimate of starting base pay for full time (40 hours per week) employment at the time of posting. The pay range may be higher or lower based on geographic location and individual pay will vary based on demonstrated job related skills, knowledge, experience, education, certifications, etc.

$106,900 - $147,000 per year

This job is eligible for a bonus incentive plan. This incentive opportunity is based upon company and/or individual performance.

Description of Benefits

Humana, Inc. and its affiliated subsidiaries (collectively, "Humana") offers competitive benefits that support whole-person well-being. Associate benefits are designed to encourage personal wellness and smart healthcare decisions for you and your family while also knowing your life extends outside of work. Among our benefits, Humana provides 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 and many other opportunities.
About us
About Humana: Humana Inc. (NYSE: HUM) is a leading U.S. healthcare company. Through our Humana insurance services and our 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. These efforts are leading to a better quality of life for people with Medicare and Medicaid, families, individuals, military service personnel, and communities at large. Learn more about what we offer atHumana.comand atCenterWell.com.

Equal Opportunity Employer

It is the policy of Humana not to discriminate against any employee or applicant for employment because of race, color, religion, sex, sexual orientation, gender identity, national origin, age, marital status, genetic information, disability or protected veteran status. It is also the policy of Humana to take affirmative action, in compliance with Section 503 of the Rehabilitation Act and VEVRAA, to employ and to advance in employment individuals with disability or protected veteran status, and to base all employment decisions only on valid job requirements. This policy shall apply to all employment actions, including but not limited to recruitment, hiring, upgrading, promotion, transfer, demotion, layoff, recall, termination, rates of pay or other forms of compensation and selection for training, including apprenticeship, at all levels of employment.