Senior Mobile CI/CD Engineer — macOS Runners & Pipelines

Tandem Diabetes Care Inc.; United States; Remote; USD 165,000 - 185,000; Full time

Benefits offered by this job

Bonus

Health benefits

401k with match

Employee Stock Purchase Plan

Paid time off

Job summary

Tandem Diabetes Care is hiring a Senior Mobile Infrastructure Engineer II to manage our macOS and Linux runner infrastructure and mobile CI pipelines. You will design and optimize build, test, signing, and release workflows for iOS and Android, and create shared tooling to streamline workflows across teams.

You will write Python and shell scripts for orchestration, monitor runner health and build times, and manage certificates and provisioning profiles.

Qualifications

• 8+ years of experience in software engineering, CI/CD, or build/release with ownership of production systems.
• Bachelor’s degree in engineering or computer sciences or related field or equivalent combination of education and applicable job experience.
• Proficiency in Python, shell scripting, YAML, and Git.
• Production experience with GitHub Actions, including reusable workflows, matrix strategies, concurrency controls, and composite actions.
• Strong iOS CI expertise including deep familiarity with Xcode build configuration, Apple code signing, simulator management, and automated TestFlight or App Store delivery.
• Experience with cloud-hosted or local macOS VM platforms such as Orka/MacStadium, Tart, or equivalent.
• Experience with Apple Developer account management including certificates, provisioning profiles, and App Store Connect API.
• EXTRA AWESOME Experience with Firebase App Distribution for internal mobile build delivery.
• Experience with Android build systems and signing pipelines.
• Experience integrating mobile testing frameworks — unit, instrumented, snapshot, contract, and end-to-end — into CI pipelines.
• Background in iOS or Android mobile development.
• Experience in a regulated industry such as medical devices with traceability and compliance requirements.
• Experience running multi-flavor/multi-variant Android builds with regional distribution targets.

Responsibilities

• Own macOS & Linux runner infrastructure and mobile pipelines.
• Design and improve build, test, signing, and release workflows for iOS/Android.
• Create reusable workflows and shared tooling for CI in GitHub Actions.
• Write Python and shell scripts for orchestration and secret management.
• Monitor runner health, build times, and outage alerts.
• Maintain code signing certificates and provisioning profiles across environments.
• Coordinate Apple/Android build strategies across teams.

Skills

Python

Shell scripting

YAML

Git

GitHub Actions

iOS CI

Apple code signing

Android builds

Firebase App Distribution

CI/CD

Cloud VM platforms

Orka/MacStadium

Xcode

Apple Developer account mgmt

Mobile development

Regulated industry

Education

Bachelor's degree in engineering or computer science

Tools

Orka/MacStadium

Apple Developer account mgmt

Firebase App Distribution

Xcode

Job description

Tandem Diabetes Care is hiring a Senior Mobile Infrastructure Engineer II to manage our macOS and Linux runner infrastructure and mobile CI pipelines. You will design and optimize build, test, signing, and release workflows for iOS and Android, and create shared tooling to streamline workflows across teams.

You will write Python and shell scripts for orchestration, monitor runner health and build times, and manage certificates and provisioning profiles.