InternFlow

Greenhouse ·

full-time

Senior Ios Engineer, Media Experience

Reddit · San Francisco, CA

Reddit operates a platform where users gather in thousands of interest‑based communities to share links, start discussions and vote on content. The Media Experience team focuses on making video consumption on the app smooth and engaging, working to increase the number of users who regularly watch video and the total time they spend viewing it. As a senior iOS engineer on that team you would lead the iOS side of video‑focused features, designing playback surfaces and UI flows that aim to boost watch time and retention. Daily work includes writing Swift code, integrating HLS streaming, instrumenting performance and QoE metrics, running A/B tests to validate changes, and collaborating with backend, ML ranking and feeds teams to turn platform capabilities into user‑facing experiences. You would also help shape the product roadmap, set engineering standards for media components, and mentor others while ensuring the app remains stable and performant across devices and network conditions.

ios developmentswiftvideo playbackhls streaminga/b testingperformance optimizationcross-functional collaborationmedia engineering

Education

  • Level: Bachelor's degree
iOS Engineering5-5 yrs experience

Key Skills

SwiftiOSHLSA/B testingUI/UXPerformance optimizationMedia streaming

Experience required

5-5 years experience
0 yrs10+ yrs

About the Role Reddit’s Media Experience team builds video consumption experiences that drive engagement across millions of users. The team focuses on video discovery, playback quality, and data‑driven product experimentation. Responsibilities Drive technical strategy for media engagement and lead iOS architecture for video features. Design and implement immersive viewing surfaces and UI/UX flows to increase watch time and retention. Partner with product, design, and data science to run A/B tests and incorporate performance signals. Collaborate with backend, feeds, and ML ranking teams to integrate HLS streaming and personalized recommendations. Establish iOS engineering standards for media component integration and performance on constrained devices. Requirements 5+ years of hands‑on iOS development using Swift. Proven experience building user‑facing mobile applications at scale. Strong knowledge of media streaming (HLS), performance optimization, and UI/UX design. Ability to lead cross‑functional projects, use data to inform decisions, and drive experimentation culture.

Skills for this role

SwiftiOSHLSA/B testingUI/UXPerformance optimizationMedia streaming

Required skills

SwiftiOSHLSA/B testingUI/UXPerformance optimizationMedia streaming

Also mentioned in the listing

ios developmentvideo playbackhls streamingcross-functional collaborationmedia engineering
RoleSenior Ios Engineer, Media Experience
CompanyReddit
LocationSan Francisco, CA
CompensationNot disclosed
Posted2026-09-17
DeadlineRolling

Typical process for this type of role

A general guide — the exact steps for this specific listing may vary; check the original posting for details.

  1. 1ApplicationSubmit your resume through the apply link.
  2. 2ScreeningRecruiter reviews your background against the role.
  3. 3AssessmentA technical test, assignment, or coding round, depending on the role.
  4. 4Interview(s)One or more rounds with the hiring team.
  5. 5OfferOffer letter with compensation and start date.

Before you apply

0/4

Senior Ios Engineer, Media Experience at Reddit: frequently asked questions

Who can apply for the Senior Ios Engineer, Media Experience role at Reddit?
The listing asks for Bachelor's degree; 5-5 years of experience.
What skills does the Senior Ios Engineer, Media Experience role require?
The listing highlights Swift, iOS, HLS, A/B testing, UI/UX, Performance optimization, Media streaming. Show each of these in a project or past role on your resume.
What is the salary for this role?
Reddit has not stated compensation in the listing. Check the original posting or ask during the application process.
Is the Senior Ios Engineer, Media Experience position remote, hybrid or onsite?
The listing gives San Francisco, CA as the location and does not state a work mode.
What is the application deadline?
Reddit has not listed a fixed deadline, so apply early in case the opening is filled.
How do I apply for the Senior Ios Engineer, Media Experience role?
Use the Apply button on this page. It opens the original listing on job-boards.greenhouse.io, where you submit your application with the company.

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