Sr. Software Engineer

Zelis

Zelis

Software Engineering

Atlanta, GA, USA

Posted on May 21, 2026

At Zelis, we Get Stuff Done. So, let’s get to it!

A Little About Us

Zelis is modernizing the healthcare financial experience across payers, providers, and healthcare consumers. We serve more than 750 payers, including the top five national health plans, regional health plans, TPAs and millions of healthcare providers and consumers across our platform of solutions. Zelis sees across the system to identify, optimize, and solve problems holistically with technology built by healthcare experts – driving real, measurable results for clients.

At Zelis, AI is woven into the fabric of how we work. Every associate is expected - and empowered - to partner with AI to challenge the status quo, accelerate innovation, and amplify their impact. This is a place for builders with a growth mindset who act with agility, embrace change, and use modern technology to shape smarter solutions, exceptional experiences, and the future of our industry for our clients, customers, and our culture.

A Little About You

You bring a unique blend of personality and professional expertise to your work, inspiring others with your passion and dedication. Your career is a testament to your diverse experiences, community involvement, and the valuable lessons you've learned along the way. You are more than just your resume; you are a reflection of your achievements, the knowledge you've gained, and the personal interests that shape who you are.

Position Overview

Job Description Summary
The Senior Software Engineer is accountable for designing and developing scalable, reliable, information technology enabled business solutions. This role involves executing all phases of the Software Development Lifecycle including analysis, design, development, and testing within a highly collaborative team environment. The Senior Software Engineer is enthusiastic about leveraging the latest technologies to modernize and enhance systems, delivering efficient, high-quality software solutions through AI-driven modern programming practices.

What You’ll Do:

  • Develop software solutions by analyzing business requirements; collaborating with stakeholders and end users; evaluating system workflows, data usage, and operational processes; identifying and resolving problem areas; and executing all phases of the Software Development Lifecycle.

  • Implement solutions applying robust architectural patterns, coding standards, and AI-supported engineering approaches.

  • Apply advanced performance tuning and optimization techniques to enhance application efficiency, scalability, and responsiveness across diverse system architectures.

  • Document and demonstrate solutions through well-structured technical documentation, diagrams, flowcharts, and code comments, ensuring clear, maintainable, and readable code.

  • Engage actively in design reviews and code reviews.

  • Assist with CI/CD processes for deployment procedures.

  • Leverage AI-assisted development tools to improve code quality, productivity, and development efficiency.

  • Mentor development team members to help them succeed in their assignments.

  • Update job knowledge by studying state-of-the-art development tools, programming techniques, and computing equipment; participating in educational opportunities.

  • Protect operations by improving security and by keeping information confidential.

  • Accomplish Zelis’ mission by completing related results as needed.

  • Support and develop Zelis and the technology team by providing advice, coaching and educational opportunities.

  • Follow established HIPAA, Compliance & Security policies.

What You’ll Bring to Zelis:

  • ​5+ years of experience in software development.

  • Must have experience in ASP.NET Core, ASP.NET Web API, EF Core with LINQ, C#, T-SQL/Stored Procedure.

  • Experience with the following technology:

    • JavaScript frameworks (e.g., Vue, Angular) using MVVM/MVC design patterns.

    • Blazor or React and Bootstrap for UI development.

  • Experience in developing scalable and secure REST APIs.

  • Experience with source control tools, with a strong preference for Git.

  • Good knowledge of data structures, algorithms, and fundamental design principles.

  • Experience in developing comprehensive unit test coverage using frameworks such as xUnit, NUnit, etc. to ensure code quality and reliability.

  • Cloud experience with Azure or AWS resources preferred

  • Experience leveraging AI-assisted development tools (e.g GitHub CoPilot,) for code generation, refactoring, testing, and documentation and adopting an AI-first approach.

  • Bachelor's degree preferred.


Please note at this time we are unable to proceed with candidates who require visa sponsorship now or in the future.


Location and Workplace Flexibility

Zelis is headquartered in the U.S., with multiple locations across the country and in Hyderabad, India. Check out our locations to learn more about our offices. All employee work locations are based on the needs of the position and are determined by the Leadership team. In-office work and activities vary based on work and team objectives in accordance with Company policies.


While location expectations vary by role, candidates within approximately 50 miles of a U.S. office are generally preferred to support collaboration when needed. Our hybrid approach is flexible, and in-office presence is guided by team and business needs rather than a fixed weekly schedule.

Equal Employment Opportunity
Zelis is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

We welcome applicants from all backgrounds and encourage you to apply even if you don’t meet 100% of the qualifications for the role. We believe in the value of diverse perspectives and experiences and are committed to building an inclusive workplace for all.

Accessibility Support
We are dedicated to ensuring our application process is accessible to all candidates. If you are a qualified individual with a disability or a disabled veteran and require a reasonable accommodation with any part of the application and/or interview process, please email TalentAcquisition@zelis.com.

Disclaimer

The above statements are intended to describe the general nature and level of work being performed by people assigned to this classification. They are not to be construed as an exhaustive list of all responsibilities, duties, and skills required of personnel so classified. All personnel may be required to perform duties outside of their normal responsibilities, duties, and skills from time to time.