Staff/Principal Platform Engineer

The role

You will own platform or SDLC primitives from architecture through production operation. You will build quality gates, roll out AI code review, and mature authentication and authorization standards.

What you will do

• Own platform or SDLC primitives from architecture through production operation
• Build deterministic quality gates for agent-written code
• Roll out AI code review and contribute to AI-assisted development best practices
• Deliver core services on paved roads
• Mature authentication and authorization standards
• Write plans and orchestrate agents across multi-PR work
• Coach Senior engineers and product squad engineers on agentic engineering
• Define reliability conventions including SLO definitions and observability standards
• Participate in the on-call rotation
• Steward security and compliance posture

Required qualifications

• 7+ years of software engineering experience
• Several years designing and operating distributed systems or platform components
• Depth in test automation at scale, enabling AI code review at scale, or authorization systems with ReBAC and RBAC models
• Experience with skills, MCPs, harnesses, agentic tooling ecosystems, or agent orchestration
• Experience building with AI agents as part of daily work
• Experience with data modeling for systems of record
• Proficiency in Python and/or TypeScript services, Postgres, and AWS
• Track record of driving workstreams that span multiple engineers and quarters without people authority
• Comfort operating production critical-path systems, including on-call, in a regulated environment
• Clear, direct communication with engineers, product partners, and leadership
• Live within a 75-minute commute of our NYC office

Nice to have

• Progressive delivery tooling (feature flags, canary deployments) and end-to-end frameworks such as Playwright at scale
• Healthcare data standards (FHIR, HL7v2) and engineering in a HIPAA-regulated environment
• An incremental monolith-to-services migration you led
• Time on a platform or developer experience team
• Fluency with domain-driven design or event storming

Benefits

• Comprehensive benefits to all full-time, exempt employees
• Stock options

About the company

Charlie Health connects the world to life-saving behavioral health treatment through personalized, virtual care. The organization focuses on people with complex needs to expand access to meaningful care.