Sr. Principal Software Engineer

Zelis is modernizing the healthcare financial experience across payers, providers, and healthcare consumers. They are seeking a Sr. Principal Software Engineer to design, build, and operate core backend systems while influencing technical direction and improving engineering practices.

Responsibilities:

• Design, develop, test, deploy, and maintain high-quality backend services and supporting systems
• Work across the stack as needed to deliver complete, end-to-end solutions
• Own services in production, including deployment, monitoring, performance, and operational health
• Collaborate with product managers and designers to translate functional requirements into technical solutions
• Drive architectural decisions with a focus on scalability, reliability, security, and maintainability
• Improve development and delivery workflows, including CI/CD pipelines and infrastructure automation
• Partner with engineers to identify and resolve production issues and system bottlenecks
• Mentor engineers and provide technical leadership through design reviews, code reviews, and architectural guidance
• Help establish best practices for operational readiness, observability, and system ownership

Requirements:

• Bachelor's degree in computer science or a related technical field, or equivalent practical experience
• 8+ years of professional software engineering experience, primarily focused on backend systems
• Proven ability to deliver reliable, maintainable software in production environments
• Experience building and operating web-based services and APIs
• Experience working with cloud platforms and modern infrastructure environments
• Familiarity with Infrastructure as Code concepts and tooling
• Experience contributing to or improving CI/CD pipelines and automated delivery processes
• Strong written and verbal communication skills
• Collaborative mindset, positive attitude, and desire to continuously learn and improve
• Experience with TypeScript, Node.js, PostgreSQL, or similar backend technologies
• Familiarity with frontend frameworks such as Angular
• Experience with containerization, service-oriented architectures, or distributed systems
• Exposure to observability tooling (logging, metrics, tracing)
• Experience using AI-assisted tools to enhance development productivity or operational workflows