{"id":1369,"url":"https://alion.io/job/reddit-staff-ios-engineer-media-foundation","title":"Staff iOS Engineer, Media Foundation","company":{"id":16,"name":"Reddit","domain":"reddit.com","url":"https://alion.io/company/reddit","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":78,"open_postings":24,"ghost_share":0,"stale_share":0.667,"repost_share":0,"time_to_fill_p50_days":68,"computed_at":"2026-10-19T05:45:15Z"}},"role":"Mobile","role_family":"Mobile","seniority":"staff","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States","United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":217000,"max":303000,"currency":"USD","period":"year","gross":null,"usd_annual":303000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"AVFoundation","optional":false},{"name":"Combine","optional":false},{"name":"RxSwift","optional":false},{"name":"Swift","optional":false}],"status":"live","first_seen_at":"2026-05-12T16:36:11Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-20T04:25:02Z","board_verified":true,"closed_at":null,"days_open":160,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":160},"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.\nThe Media Foundation’s mission is simple: Delivering seamless, high-performance media experiences that meet and exceed industry standards, ensuring unparalleled engagement across all platforms at Reddit. Media is the most engaging medium on Reddit, whether it’s for posts, comments, or ads. This is a pivotal role within the Media Foundation team, essential to shaping Reddit's media experience across all devices. We are seeking a stellar engineer with a deep understanding of scalable media solutions who can drive innovation, deliver top-tier video experiences to our users, and guide other teams in seamlessly integrating with our video API. This role not only involves building robust media capabilities but also contributing to the growth and strength of our media engineering team as Reddit continues to scale.\nThis is a high impact role where you will drive related technical & product strategy, operations, architecture, and execution for one of the largest sites in the world.\nWhat You Will Do\nArchitect a highly modular, easy-to-integrate iOS video player that enables other teams to build features effortlessly while delivering first-class performance for users.\nPartner with backend media infrastructure and CDN teams to optimize global delivery and performance.\nWork cross-functionally with product, design, and other engineering counterparts to execute on product and business strategy and build novel media products and features that our users will love.\nWork with a team of thoughtful, fast-moving, and motivated engineers. Set and define standards that improve developer workflows, recommend best practices, and help coach and mentor engineers on the team to further their professional development.\nUtilize AI-assisted development tools to accelerate prototyping, system design, and coding, while applying rigorous judgement to validate and own the final outputs.\nQualifications\nAt least 8+ years of experience as a software engineer developing user-facing iOS mobile native applications at scale, using Swift.\nIn-depth knowledge of AVFoundation for video and audio playback, asset management, streaming, editing, and exporting capabilities.\nStrong understanding of Core Media for timing and synchronization and Core Video for buffer handling, essential for custom playback and real-time video manipulation.\nFamiliarity with HTTP Live Streaming (HLS), MPEG-DASH, MP4, and other streaming protocols, as well as working knowledge of streaming frameworks and CDN integration for optimized video delivery.\nFamiliarity with reactive frameworks (RxSwift, Combine)\nStrong organizational skills, the ability to prioritize tasks and to deliver projects on schedule.\nBS degree in Computer Science, a similar technical field of study or equivalent practical experience.\nEntrepreneurial spirit. You are self-directed, innovative, and biased towards action in fast-paced environments. You love to build new things and thrive in ambiguity and even failure.\nExcellent communication skills. You collaborate effectively with teams in a fully remote environment and discuss complex topics with technical and non-technical audiences.\nBenefits:\nComprehensive Healthcare Benefits and Income Replacement Programs\n401k with Employer Match\nGlobal Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support\nFamily Planning Support\nGender-Affirming Care\nMental Health & Coaching Benefits\nFlexible Vacation & Paid Volunteer Time Off\nGenerous Paid Parental Leave \nPay Transparency:\nThis job posting may span more than one career level.\nIn addition to base salary, this job is eligible to receive equity in the form of restricted stock units, and depending on the position offered, it may also be eligible to receive a commission. Additionally, Reddit offers a wide range of benefits to U.S.-based employees, including medical, dental, and vision insurance, 401(k) program with employer match, generous time off for vacation, and parental leave. To learn more, please visit https://www.redditinc.com/careers/.\nTo provide greater transparency to candidates, we share base salary ranges for all US-based job postings regardless of state. We set standard base pay ranges for all roles based on function, level, and country location, benchmarked against similar stage growth companies. Final offer amounts are determined by multiple factors including, skills, depth of work experience and relevant licenses/credentials, and may vary from the amounts listed below.\nThe base salary range for this position is:\n$217,000—$303,000 USD\nIn select roles and locations, the interviews will be recorded, transcribed and summarized by artificial intelligence (AI). You will have the opportunity to opt out of recording, transcription and summarization prior to any scheduled interviews.\nDuring the interview, we will collect the following categories of personal information: Identifiers, Professional and Employment-Related Information, Sensory Information (audio/video recording), and any other categories of personal information you choose to share with us. We will use this information to evaluate your application for employment or an independent contractor role, as applicable. We will not sell your personal information or disclose it to any third party for their marketing purposes. We will delete any recording of your interview promptly after making a hiring decision. For more information about how we will handle your personal information, including our retention of it, please refer to our Candidate Privacy Policy for Potential Employees and Contractors.\nReddit is proud to be an equal opportunity employer, and is committed to building a workforce representative of the diverse communities we serve. Reddit is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. 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