Senior Staff Engineer, Agentic Systems Architect

Marathon Health; United States; On-site; USD 170,000 - 195,000; Full time

Job summary

Marathon Health is seeking a Senior Staff Engineer to lead agent-assisted software development initiatives. The successful candidate will set technical standards, drive architectural decisions, and mentor engineers within the organization.

This pivotal role requires at least 10 years of software engineering experience, deep systems design expertise, and proficiency in modern engineering practices. The position also emphasizes collaboration across teams to shape how software is built and delivered at Marathon Health.

Qualifications

• 10+ years of professional software engineering experience, with significant time at senior levels.
• Deep systems design expertise, including distributed systems and API design.
• Hands-on experience with modern engineering stack and agentic capabilities.

Responsibilities

• Deliver engineering work at a disciplined pace using coding agents.
• Set technical standards and drive architectural decisions across teams.
• Mentor senior engineers and promote AI-native engineering practices.

Skills

Cloud platforms (AWS, Azure, or GCP)

.NET

Python

TypeScript

Containers and Kubernetes

Infrastructure-as-code (Terraform)

CI/CD pipelines (GitHub Actions)

Education

BS or MS in Computer Science or related field

Tools

Agentic engineering tooling (Claude Code, Codex)

MCP development frameworks

Observability tools

Job description

Marathon Health is seeking a Senior Staff Engineer to lead agent-assisted software development initiatives. The successful candidate will set technical standards, drive architectural decisions, and mentor engineers within the organization.

This pivotal role requires at least 10 years of software engineering experience, deep systems design expertise, and proficiency in modern engineering practices. The position also emphasizes collaboration across teams to shape how software is built and delivered at Marathon Health.