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  4. Principal Engineer, iOS Performance
Illustration - Principal Engineer, iOS Performance

Principal Engineer, iOS Performance

Reddit
Reddit
Remote - United States
May 14, 2026
Salary not listed

At a glance

  • Remote

Job Description

Reddit is a community of communities It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet

Every day, Reddit users submit, vote, and comment on the topics they care most about With 100,000+ active communities and approximately 130 million daily active unique visitors, Reddit is one of the internet’s largest sources of information

For more information, visit www.redditinc.com .

The iOS Platform team sets the technical direction for iOS at Reddit Our customers are primarily other engineers It’s our job to help improve developer efficiency by providing libraries/APIs/frameworks, monitoring performance, building shared components, improving build tools, etc. In the codebase, we own the core components of the app such as the networking and caching stack

We set the direction in which the codebase builds by defining which design patterns and technologies to employ at Reddit.

This role will enable us to architect our iOS app to scale for the next 100M+ DAUs They will help establish the right standards in iOS development and will help in improving the overall iOS development experience at Reddit

In addition, they will mentor senior iOS engineers across Reddit and will be seen as a go-to person for any challenges on iOS App architecture.

As a Principal Engineer in the iOS Platform team, you will be responsible for designing a solid foundation for our iOS application development You will have the company-wide scope, impact, and responsibility in shaping the future of iOS development at Reddit

You will champion the technology selection, best practices in Reddit’s iOS application development In addition, you will act as an Architect for the iOS application at Reddit.

What you’ll do

Own the architecture of Reddit’s iOS Mobile App and make it scale to the next 100M+ DAUs Propose ideas/solutions to reach our vision of “making Reddit’s Mobile Apps best-in-class.” Identify the gaps in our current iOS App Architecture, and lead redesign of the iOS platform to improve modularity, performance, and quality

Define, measure, and execute on key user-facing performance goals, specifically m

Reddit on Oh My Job

279 open positions right now, including 11 in California. Average salary across all roles: $190–$180.

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