Senior Backend Engineer & Tech Lead, Cloud & AI

Zelis; United States; Hybrid; USD 150,000 - 230,000; Full time

Job summary

Zelis seeks a Principal Software Engineer to design, build, and operate core backend systems while spanning the full stack when needed. You will influence direction, improve engineering practices, and ensure scalable, reliable software in the cloud.

You will mentor engineers, drive architectural choices for scalability and security, and collaborate with product and design teams to deliver end-to-end solutions across services and APIs.

Qualifications

• Bachelor’s degree in computer science or related field or equivalent practical experience.
• 8+ years of professional software engineering experience, backend focus.
• Experience delivering reliable, maintainable software in production.
• Experience building and operating web-based services and APIs.
• Experience with cloud platforms and modern infrastructure environments.
• Familiarity with Infrastructure as Code concepts and tooling.
• Experience contributing to CI/CD pipelines and automated delivery.
• Strong written and verbal communication skills.

Responsibilities

• Design, develop, test, deploy, and maintain high-quality backend services and supporting systems.
• Work across the stack to deliver end-to-end solutions.
• Own production services including deployment, monitoring, and health.
• Collaborate with product managers and designers to translate requirements into technical solutions.
• Drive architectural decisions focused on scalability, reliability, and security.
• Improve CI/CD pipelines and infrastructure automation.
• Mentor engineers and provide technical leadership through design and code reviews.

Skills

Backend systems

APIs

Cloud platforms

CI/CD

Observability

Communication

Education

Bachelor’s degree in computer science

Tools

Terraform

AWS

PostgreSQL

Docker

Elasticsearch

Job description

Zelis seeks a Principal Software Engineer to design, build, and operate core backend systems while spanning the full stack when needed. You will influence direction, improve engineering practices, and ensure scalable, reliable software in the cloud.

You will mentor engineers, drive architectural choices for scalability and security, and collaborate with product and design teams to deliver end-to-end solutions across services and APIs.