Senior Full Stack Engineer

Humana
Springfield, IL

Become a part of our caring community and help us put health first

The Senior Full Stack Engineer Performs software engineering activities in all layers of the stack, from setting up the database to programming in the back-end and the appearance at the front-end. The Senior Full Stack Engineer work assignments involve moderately complex to complex issues where the analysis of situations or data requires an in-depth evaluation of variable factors.

Position Overview : The Senior Full Stack Engineer is a hands-on technical role responsible for maintaining, enhancing, and modernizing existing application. The role requires strong expertise in technologies-especially Windows Forms-along with modern full-stack engineering skills in .NET, JavaScript frameworks, and Oracle.

The engineer will work directly on the existing codebase, improving performance, stability, and maintainability while guiding an offshore team through best practices, remediation strategies, and incremental modernization efforts. This position involves substantial autonomy, technical decision-making, and the ability to balance existing application maintenance with forward-looking enhancements.

Key Responsibilities

  • Maintain and enhance a long-standing application built using Windows Forms and .NET frameworks.

  • Improve application performance, reliability, and maintainability through refactoring, optimization, and architectural updates.

  • Work hands-on across backend, frontend, and database layers, including designing new components and upgrading existing ones.

  • Provide technical direction, code reviews, and mentoring for offshore development teams.

  • Develop and refine existing Windows forms, APIs, backend services, and integrations while applying modern design patterns where appropriate.

  • Collaborate with product owners, QA, and architecture teams to deliver enhancements and modernization initiatives.

  • Troubleshoot complex code issues and drive resolution with minimal supervision.

  • Contribute to strategy for gradual modernization while ensuring stability of the existing system.

Use your skills to make an impact

Required Qualifications

  • Bachelor's Degree in Computer Science or related field.

  • 7+ years of experience designing, developing, testing, and supporting software applications.

  • Strong track record maintaining and enhancing existing enterprise systems.

  • Ability to work with team and make sound technical judgments on complex issues.

  • Passion for improving consumer experiences through stable, high-quality software.

Preferred Qualifications

  • Master's Degree.

  • Specialty pharmacy domain knowledge (preferably ScriptMed).

Additional Information

Why Humana?

At Humana, we know your well-being is important to you, and it's important to us too. That's why we're committed to making resources available to you that will enable you to become happier, healthier, and more productive in all areas of your life. Just to name a few:

  • Work-Life Balance

  • Generous PTO package

  • Health benefits effective day 1

  • Annual Incentive Plan

  • 401K - Excellent company match

  • Well-being program

  • Paid Volunteer Time Off

If you share our passion for helping people, we likely have the right place for you at Humana.

Work-At-Home Requirements

To ensure Home or Hybrid Home/Office employees' ability to work effectively, the self-provided internet service of Home or Hybrid Home/Office employees must meet the following criteria:

At minimum, a download speed of 25 Mbps and an upload speed of 10 Mbps is recommended; wireless, wired cable or DSL connection is suggested

Satellite, cellular and microwave connection can be used only if approved by leadership.

Employees who live and work from Home in the state of California, Illinois, Montana, or South Dakota will be provided a bi-weekly payment for their internet expense.

Humana will provide Home or Hybrid Home/Office employees with telephone equipment appropriate to meet the business requirements for their position/job.

Work from a dedicated space lacking ongoing interruptions to protect member PHI / HIPAA information.

SSN Alert Statement

Humana values personal identity protection. Please be aware that applicants may be asked to provide their Social Security Number, if it is not already on file. When required, an email will be sent from [email protected] with instructions on how to add the information into your official application on Humana's secure website.

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.

Application Deadline: 03-28-2026

About us

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. These efforts are leading to a better quality of life for people with Medicare, Medicaid, families, individuals, military service personnel, and communities at large.

?

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.

Humana complies with all applicable federal civil rights laws and does not discriminate on the basis of race, color, national origin, age, disability, sex, sexual orientation, gender identity or religion. We also provide free language interpreter services. See our

Posted 2026-04-15

Recommended Jobs

Complex Trade Support Client Relationship Manager

Morgan Stanley
Chicago, IL

Position Summary: This position utilizes excellent customer service and problem solving skills to confidently provide information and education to our customers in a timely, efficient, professiona…

View Details
Posted 2026-03-27

Landscape Construction Crew Member

Nature's Perspective Landscaping
Evanston, IL

About Nature’s Perspective Landscaping:  Nature’s Perspective Landscaping has spent over 45 years building a reputation for excellence and integrity. With an on-site one-acre nursery and an extensive…

View Details
Posted 2026-02-10

Sr. Project Engineer - Geneva, IL

Geneva, IL

POSITION OVERVIEW  In this role, the Senior Project Engineer is responsible for executing capital projects at their plant which includes scope development, cost estimation, system design, equipment…

View Details
Posted 2026-04-15

Respiratory Therapist (CRT or RRT)-Nights

Gateway Regional Medical Center
Granite City, IL

Job Description Job Description We are Gateway Regional Medical Center Our mission is to provide compassionate, high-quality healthcare services to our community, promoting wellness and hea…

View Details
Posted 2026-03-26

Business Development Representative

PeopleReady
Chicago, IL

Overview: As a direct report to the Area Sales Manager, the Business Development Representative will drive the acquisition of new customers and facilitate the expansion of existing accounts within…

View Details
Posted 2026-04-12

Network Engineer - Implementation Specialist (IL)

CEDENT
Illinois

Company: The client  is a network services company enabling better healthcare through reliable and cost-efficient access to patient data and information. We are a powerful team of clinicians, t…

View Details
Posted 2025-08-19

MENTAL HEALTH TECHNICIAN TRAINEE

State of Illinois
Waukegan, IL

Job Requisition ID: 48742 Opening Date: 08/27/2025 Closing Date: 08/26/2026 Agency: Department of Human Services Class Title: MENTAL HEALTH TECHNICIAN TRAINEE - 27020 …

View Details
Posted 2026-04-15

Scale Operator

CHS Inc
Maple Park, IL

CHS Inc. is a leading global agribusiness owned by farmers, ranchers and cooperatives across the United States that provides grain, food and energy resources to businesses and consumers around the w…

View Details
Posted 2026-04-06

Angular.js Developer - Senior UI (Chicago, IL)

CEDENT
Chicago, IL

Position:  Angular Developer  Location: onsite 2-3 days per week Chicago  OR  Arlington Heights office Overview : seeking a skilled Angular Developer to join our dynamic team and contribute to…

View Details
Posted 2025-08-19

Commercial Insurance Account Technician

Lawley Insurance
Batavia, IL

Responsibilities: Provide support to internal Commercial Lines teams in obtaining, maintaining, expanding and servicing accounts by underwriting all company products against Epic data. Prepare …

View Details
Posted 2026-04-09