Senior Software Developer Jobs in Gallatin, TN (NOW HIRING)

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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 AI 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:

• System Development: Build and maintain LLM-powered features including retrieval-augmented generation systems, structured prompt pipelines, and intelligent workflow automation deployed in clinical settings.
• Model Evaluation: Implement and iterate on evaluation frameworks to measure accuracy, safety, and reliability of AI outputs in production. Contribute to ongoing monitoring and quality improvement of deployed models.
• Backend Service Development:** Build Python or Typescript based backend services that expose AI capabilities to product and clinical applications via REST, GraphQL APIs and Websockets.
• Infrastructure and MLOps: Contribute to AI infrastructure design, deployment automation, and operational tooling as the team scales.
• HIPAA-Compliant Development: Ensure all systems meet HIPAA standards and that protected health information is handled appropriately throughout the stack.
• Technical Collaboration: Participate actively in architecture discussions, code reviews, and technical design sessions. Help set and uphold team engineering standards in a new, growing team.

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 2+ years building production AI/ML systems
• Hands-on experience with large language models and orchestration frameworks (LangChain, LlamaIndex, or equivalent)
• Proficiency in Python, Typescript and ML libraries (Hugging Face, PyTorch, scikit-learn, or similar)
• Experience building REST or GraphQL APIs that serve AI/ML model outputs
• Solid understanding of RAG pipeline design and vector databases (Pinecone, Weaviate, pgvector, or similar)
• Experience building custom LLM and agent evals, including automated testing of model outputs, agent trajectories, and failure modes
• Awareness of HIPAA requirements and secure handling of sensitive health data
• Ability to work with autonomy and strong judgment in a greenfield, ambiguous environment
• Hands-on experience with AI-assisted development tools and LLM coding harnesses (Claude Code, Pi Agent, Cursor, Codex, or similar)

Preferred Qualifications

• Experience fine-tuning or systematically evaluating foundation models
• Familiarity with multi-agent AI architectures, agent orchestration frameworks, and sandboxed code execution environments
• Exposure to clinical data, EHR systems, FHIR standards, or healthcare AI applications
• Familiarity with TypeScript and Next.js for full-stack feature delivery
• Experience in a 0-to-1 product build or early-stage engineering environment
• Understanding of Humana's enterprise AI governance and responsible AI standards

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.