Platform Engineer (San Francisco)

About the Role

As the Platform Engineer at Preffect, you'll own and scale the foundational infrastructure and developer platform that powers our AI native Health & Wellness app, available in the App Store here : https : / / apps.apple.com / us / app / preffect / id6741119391

As an individual contributor (IC), youll design, implement, and own the systems, pipelines, and tooling that enable our engineers to build, test, and ship quickly and reliably. Youll be the goto person for CI / CD, infrastructure-as-code, observability, and operational excellence. You will operate at the cutting edge and shape our longterm platform strategy.

Responsibilities

Infrastructure & Platform

• Design, build, and maintain cloud infrastructure using infrastructure-as-code (IaC).
• Own CI / CD pipelines for mobile, backend, and ML workflows.
• Define golden paths, templates, and automation to accelerate developer productivity.
• Manage container orchestration platforms, such as Kubernetes, to ensure scalable and reliable deployments.
• Implement monitoring, logging, tracing, and alerting to ensure system reliability.

🔒 Security & Operations

🤝 Collaboration & Enablement

Minimum Qualifications

8-10 years of experience across platform engineering, site reliability engineering, DevOps, and MLOps.

Proven track record building and scaling developer platforms at a startup or highgrowth environment.

Strong hands-on expertise with IaC (Terraform, Ansible, Pulumi, or equivalent).

Experience with CI / CD tools (GitHub Actions, CircleCI, or similar).

Deep knowledge of cloud providers (AWS, GCP, and Azure) and containerization.

Experience deploying and managing Kubernetes clusters in production.

Track record of driving observability and monitoring (Datadog, Prometheus, OpenTelemetry, etc.).

Practical mindset balancing speed, cost, and security.

Lifelong growth mindset, with a penchant for thriving at the cutting edge, including use of AI-assisted tools as a force multiplier.

Preferred Qualifications

Experience in early-stage startups, consumer apps, or Health & Wellness.

Hands-on expertise with Azure ecosystem and CD for Kubernetes (Argo, Flux, etc.).

Exposure to ML workflows across the full end-to-end ML lifecycle.

Proficiency with Python.

Familiarity with iOS mobile CI / CD pipelines.

Experience integrating and managing subscription payment systems (Stripe, App Store, Google Play).

Compensation & Location

Why Join Preffect

If youre excited by creating scalable, reliable systems that empower product velocity, and want to help build the future of personalized Health & Wellness, wed love to hear from you!

Apply today to help us scale Preffects platform and revolutionize Health & Wellness.