Senior Full Stack Developer Jobs in Oak Brook, IL

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The Senior Software Engineer codes software applications based on business requirements. The Senior Software Engineer work assignments involve moderately complex to complex issues where the analysis of situations or data requires an in-depth evaluation of variable factors.

The Senior Software Engineer standardizes the quality assurance procedure for software. Oversees testing and debugging and develops fixes. Researches complaints and makes necessary adjustments and/or recommendations to resolve complex software related issues. Begins to influence department's strategy. Makes decisions on moderately complex to complex issues regarding technical approach for project components, and work is performed without direction. Exercises considerable latitude in determining objectives and approaches to assignments.

Key Responsibilities

• Frontend Feature Development:** Design and build high-quality user experiences using TypeScript, React, and Next.js for care team members and, where applicable, patients.
• AI Output Rendering:** Translate AI capabilities-LLM-generated content, structured summaries, clinical recommendations-into interface patterns that are intuitive, trustworthy, and appropriate for high-stakes clinical contexts.
• Full-Stack Delivery:** Build end-to-end features spanning server-side rendering, API integration, and client-side state management. Own features from design handoff through production deployment.
• Component Library and Design System:** Contribute to shared component libraries, establish reusable UI patterns, and maintain design system consistency across the product surface.
• Accessibility and Health Literacy:** Ensure all interfaces meet WCAG accessibility standards and are designed with the cognitive demands of clinical users and the varying digital literacy of patients in mind.
• HIPAA-Compliant Frontend Practices:** Implement sensitive data display, client-side logging, and session handling in accordance with HIPAA requirements.
• Technical Collaboration:** Participate in code reviews, architecture discussions, and design reviews with engineers, product managers, and designers.

Use your skills to make an impact

Required Qualifications

• B.S. or M.S. in Computer Science, Engineering, or a related field (or equivalent experience)
• 5+ years of software engineering experience with strong frontend depth
• Expert-level proficiency in TypeScript and React
• Hands-on experience with Next.js, including App Router, SSR/SSG patterns, and server components
• Ability to build and consume REST or GraphQL APIs and deliver full-stack features independently
• Strong eye for UX quality and attention to detail in interface implementation
• Familiarity with WCAG accessibility standards and their practical application
• Understanding of sensitive data handling requirements in frontend contexts
• Hands-on experience with AI-assisted development tools and LLM coding harnesses (Claude Code, Pi Agent, Cursor, Codex, or similar)

Preferred Qualifications

• Experience building clinical or healthcare-facing applications
• Familiarity with AI/LLM output rendering patterns-streaming responses, citations, uncertainty display, or structured clinical outputs
• Experience collaborating with product designers in a design-system-driven workflow
• Exposure to Python or backend service development
• Experience in a greenfield or early-stage product engineering environment

Additional Information

The candidate must live close to one of our designated IT locations: NYC, NY; Louisville, KY; Tampa, FL; Fort Lauderdale, FL; Dallas/Frisco, TX; Boston, MA; Washington, D.C: Atlanta, GA, Nashville, TN, Chicago, IL, or Charlotte, NC.

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, 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.