Reddit, Inc. · 1 week ago
Principal Engineer, iOS Performance
United States
Full-time
Remote
Lead/Staff
$232K/yr - $326K/yr
10+ years expReddit, Inc. is a community of communities, built on shared interests and trust. They are seeking a Principal Engineer for their iOS Platform team to architect and improve the iOS app for scalability and performance, while mentoring other engineers and setting development standards.
Social MediaConsumer GoodsDigital MediaPublishingCommunitiesConsumerContentNewsSocial Network
Responsibilities
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 minimizing App Not Responding (ANR) rate, reducing app launch time (Time to Interactive/TTFF), and eliminating slow/dropped frames
Improve observability and harden data quality for all key performance areas, including establishing reliable telemetry, monitoring, and guardrails for ANR rate, app launch time, and slow/dropped frames
Drive a company-wide culture of performance, ensuring that every iOS engineer at Reddit has the tools and skills needed to own the performance of their product surfaces
Mentor iOS developers across the company
Be the go-to person for developers on complex problems in iOS development
Qualification
Required
Deep experience-based understanding of how to build mobile applications at scale
You are a strategic thinker who thrives on developing a long-term technical foundation and has a passion for developing scalable, well-designed software that improves people's lives globally
10+ years of Software development experience with at least 5+ years in designing/developing iOS applications
Experience in influencing larger (200+ engineers) organizations on technical direction/best practices related to iOS
Experience with modern iOS development frameworks such as Swift UI and structured Concurrency
Passion for developing scalable, well-designed software that improves people's lives globally
Experience working with cross-functional teams such as design, product, data teams to deliver great user experiences
Bachelor's degree or higher in Computer Science or a related field, or equivalent technical expertise
Benefits
Comprehensive Healthcare Benefits and Income Replacement Programs
401k with Employer Match
Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support
Family Planning Support
Gender-Affirming Care
Mental Health & Coaching Benefits
Flexible Vacation & Paid Volunteer Time Off
Generous Paid Parental Leave
Equity in the form of restricted stock units
Commission (depending on the position offered)
Medical, dental, and vision insurance
401(k) program with employer match
Generous time off for vacation, and parental leave
Company
Reddit, Inc.
Reddit is the heart of the internet, where millions of people get together to talk about any topic imaginable.
1001-5000 employees
H1B Sponsorship
Reddit, Inc. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
84%
Represents job field similar to this job
Engineering and Development
Product Management
Management and Executive
Marketing
Creatives and Design
Sales
Customer Service and Support
Accounting and Finance
Trends of Total Sponsorships
*2026 (35)
2025 (99)
2024 (63)
2023 (76)
2022 (70)
2021 (68)
2020 (39)
Funding
Current Stage
Public CompanyTotal Funding
$1.33BKey Investors
FidelityVy CapitalTencent
2024-03-21IPO
2021-08-12Series F· $410M
2021-02-08Series E· $367.95M
Leadership Team
Steve Huffman
CEO
Andrew Vollero
Chief Financial Officer
Recent News
2026-07-16
TheStreet.com
2026-07-13
Deccan Chronicle
2026-07-07
Company data provided by crunchbase