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Principal Software Engineer, Platform Engineering

Cambridge, Massachusetts💼 Full-time💰 $142,500–$142,500🗓 2026-07-08 → 2026-07-31

Core

Design and build secure platform capabilities, AI runtime safety, and governed AI-assisted development workflows to enable application teams to develop, deploy, and operate software safely and effectively.

Role type

Principal Software Engineer, Platform Engineering

Builds

Reusable platform capabilities, AI gateway patterns, secure software delivery controls, and developer tooling for Moderna's engineering teams.

Domain

Biopharma / Cloud Infrastructure / Platform Engineering

Deliverable

production ML models | product features | infrastructure

Required skills

Python, TypeScript/JavaScript, CI/CD, AWS, Docker, secure software delivery, policy enforcement, system architecture, technical leadership, mentorship

Preferred skills

AI runtime safety, policy-as-code, infrastructure-as-code (Pulumi/Terraform), Kubernetes, application security, internal developer platforms

Technologies

Python, TypeScript, GitHub Actions, Pulumi, Docker, AWS

Responsibilities

Design and build secure platform capabilities; Lead AI runtime safety and gateway patterns; Implement governed AI-assisted development workflows; Partner with cross-functional teams on platform standards; Drive adoption of templates and paved-road patterns; Improve developer experience by reducing toil; Establish operational practices for owned capabilities; Mentor engineers and raise technical standards.

Seniority

Principal, hands-on IC with strategy & mentorship

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