Senior Software Engineer

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

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.

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.

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 Life Cycle 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.

• 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 Life Cycle.
• 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.

• 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 Git Hub CoPilot,) for code generation, refactoring, testing, and documentation preferred.
• 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.

We have offices in Atlanta GA, Boston…