iOS Platform Engineer: Build Scalable, AI‑Driven Tools

Notion; United States; On-site; USD 180,000 - 250,000; Full time

Job summary

Notion is seeking an experienced iOS Platform Engineer to shape a durable, scalable iOS stack. You will build shared frameworks, improve CI/CD, and collaborate with AI and core product engineers to reduce friction and raise release quality at scale.

You will define architecture, ship developer tools, and ensure platforms are reliable and observable for millions of users, while partnering with cross-functional teams to drive adoption of new APIs and workflows.

Qualifications

• Strong architectural judgment across iOS architectures.
• Experience with mobile CI/CD, testing platforms.
• Experience shipping iOS apps at scale for millions of users.
• Cross-functional collaboration with product engineers.

Responsibilities

• Own end-to-end iOS platform development.
• Define architecture and ship developer tools.
• Improve reliability, observability, and release quality.
• Collaborate with product engineers to drive adoption of platform APIs.

Skills

iOS architecture

AI-native engineering

Mobile engineering

CI/CD

Tools

Build systems

Developer tooling

Shared frameworks

Job description

Notion is seeking an experienced iOS Platform Engineer to shape a durable, scalable iOS stack. You will build shared frameworks, improve CI/CD, and collaborate with AI and core product engineers to reduce friction and raise release quality at scale.

You will define architecture, ship developer tools, and ensure platforms are reliable and observable for millions of users, while partnering with cross-functional teams to drive adoption of new APIs and workflows.