Principal Software Engineer, Platform Engineering
Moderna
August 21, 2026
Full-time
Remote friendly (Cambridge, MA)
Worldwide
IT
Role: Principal Software Engineer, Platform Engineering at Moderna, focusing on developing scalable, secure platform capabilities for AI runtime safety, AI gateway patterns, and developer tooling to support Moderna's innovative mRNA programs. Responsibilities: design and implement cloud-based infrastructure using Python, TypeScript, AWS, Docker, and Pulumi; lead the development of AI safety and security controls, policies, telemetry, and operational tooling; collaborate with cybersecurity, architecture, and AI teams to establish standards and adoption strategies; create reusable frameworks, documentation, and templates to facilitate secure, governed AI development workflows; enhance developer experience by reducing friction and automating workflows; oversee operational practices including monitoring, alerting, and lifecycle management; influence platform strategy and mentor engineering teams across platform and application domains. Requirements: 10+ years in software or platform engineering, DevOps, or secure software delivery; strong expertise in Python/TypeScript, GitHub Actions, CI/CD, AWS, Docker; deep understanding of secure software practices, infrastructure-as-code, and cloud platforms; proven ability to lead technical initiatives and guide cross-functional teams. Preferred: experience with AI tooling, runtime safety, policy-as-code, Kubernetes, and internal developer platforms. Work setup: likely hybrid, with an emphasis on in-office collaboration; no specific travel requirements stated.