Principal Engineer, iOS Performance

Tech Stack

Responsibilities

• Own the architecture of Reddit’s iOS Mobile App and scale it to the next 100M+ DAUs, proposing ideas and solutions to achieve best-in-class mobile apps.
• Identify and lead the redesign of the iOS platform to improve modularity, performance, and quality, addressing gaps in current architecture.
• Define, measure, and execute on key user-facing performance goals, including minimizing ANR rate, reducing app launch time, and eliminating slow/dropped frames.
• Improve observability and data quality for all key performance areas by establishing reliable telemetry, monitoring, and guardrails.
• Drive a company-wide culture of performance by equipping iOS engineers with the tools and skills to own the performance of their product surfaces.

Soft Skills

Benefits

• 401k
• Dental
• Equity
• Flexible PTO
• Health Insurance
• Mental Health
• Parental Leave
• Vision

Culture

Requirements