--- name: "Sylvain Corvaisier" url: https://ireplay.tv/hire-me/sylvaincorvaisier markdown_url: https://ireplay.tv/hire-me/sylvaincorvaisier.md description: "Sylvain Corvaisier: Streaming Audio/Video Engineer, Native Mobile Developer (iOS, secondary Kotlin), TV Developer (tvOS, secondary Android TV, Roku, Fire TV, Smart TV), available now, 20 years in the industry." type: hireable-professional site: iReplay.tv availability: Available profile_updated: 2026-09-11 available_from: 2026-07-13 part_time_available_from: 2026-06-15 region: "europe" timezone: "Europe/Paris" years_experience: 20 engagement: "B2B contract / freelance, permanent employment" daily_rate: 575 daily_rate_currency: USD salary_expected: 65000 salary_currency: EUR linkedin: https://www.linkedin.com/in/sylvaincorvaisier/ roles: - "Streaming Audio/Video Engineer" - "Native Mobile Developer (iOS, secondary Kotlin)" - "TV Developer (tvOS, secondary Android TV, Roku, Fire TV, Smart TV)" - "AI / Forward Deployed Engineer" - "Senior Software Engineer (Backend, media)" skills: - "24x7 ops" - "ABR" - "Ad Insertion" - "AI" - "Akamai" - "AntMedia" - "app store" - "Ateme" - "ATSC" - "audio encoding" - "AVFoundation" - "AVPlayer" - "AWS CloudFront" - "AWS Elemental MediaLive" - "AWS IVS" - "AWS Lambda" - "AWS MediaTailor" - "AWS S3" - "Bitmovin" - "Blackmagic Design" - "BrightScript" - "broadcast" - "Broadcast Engineering" - "CDN" - "Claude Code" - "clean code" - "Cloudflare" - "CMAF" - "Codex" - "Cursor" - "Customer Support" - "DAI" - "DASH" - "dash.js" - "DevOps" - "DRM" - "DSS" - "DVB" - "Elemental" - "encoding" - "english" - "ExoPlayer" - "FAST" - "Fastly" - "FDE" - "FFmpeg" - "french" - "Golang" - "Harmonic" - "HDS" - "HLS" - "hls.js" - "HSS" - "http streaming" - "iOS" - "Linux" - "Low Latency" - "low-latency" - "LPCM" - "MAM" - "Manifest Manipulation" - "Mediakind" - "MediaSoup" - "monetization" - "MoQ" - "Multicast" - "mysql" - "NDI" - "Nginx-RTMP" - "Node.js" - "NPVR" - "Objective-C" - "OBS" - "on-premises" - "Opencode" - "Openrouter" - "ott" - "Oven Media Engine" - "P2P" - "Packaging" - "PCM" - "PHP" - "Playout" - "pod" - "podcasting" - "Python" - "QA" - "QTSS" - "React" - "Red5" - "REST" - "Roku" - "RTMP" - "SCTE-35" - "SGAI" - "Shaka Player" - "SRE" - "SRT" - "SSAI" - "Stand-by Duty" - "storekit" - "streaming" - "Studio" - "Swift" - "SwiftUI" - "Theoplayer" - "Transcoding" - "Tricaster" - "tvOS" - "TypeScript" - "UIKit" - "VAST" - "Vega OS" - "Video Encoding" - "Video.js" - "VMAP" - "vMix" - "VOD2Live" - "WebRTC" - "Wirecast" - "Wowza" - "x264" - "x265" - "xcode" date_modified: 2026-09-11T09:44:34+02:00 --- # Hire Sylvain Corvaisier Sylvain Corvaisier is a media streaming and broadcast professional in the iReplay.tv collective, available now. 20 years in the industry. To hire Sylvain Corvaisier, describe the role on https://ireplay.tv/hire-me/sylvaincorvaisier and it goes straight to them. If the role is not a fit, it is shared with the rest of the iReplay.tv collective, including members who stay hidden from public search, so it still reaches the right people. ## About 25 years of experience in the TV and streaming industry, critical web development, hosting, i(Phone)OS/iPadOS/tvOS development. Following a "build it, run it" motto since my beginnings. Expertise in transcoding, packaging, and end-to-end streaming solutions. Specialized in HLS, manifest manipulation, video ad tech and VOD2Live/FAST ## Roles - Streaming Audio/Video Engineer - Native Mobile Developer (iOS, secondary Kotlin) - TV Developer (tvOS, secondary Android TV, Roku, Fire TV, Smart TV) - AI / Forward Deployed Engineer - Senior Software Engineer (Backend, media) ## Experience ### Senior Software Engineer & Architect | Video Streaming & Senior iOS Developer | Product Engineer, iReplay.TV Collective (Mar 2023 to present) Freelance streaming architect and iOS developer delivering end-to-end video solutions for worldwide media clients. - My TV Channel: Architected and built a zero-hyperscaler-dependency 24/7 linear channel platform as a single developer. iOS/tvOS/macOS/Android/Roku/Fire TV apps with channel creation, asset management, macOS playout control, start-over, offline playback, and on-device full-text live search. Custom transcoding and HLS packaging pipeline Private CDN, automated scheduling, server-side manifest manipulation, SSAI, and modern ad management via SGAI / HLS Interstitials. Modern Client-side Multiview with no compromise. Pay-as-you-grow subscription model with tiered upload and streaming quotas. ABR-aware resilient AVPlayer with adaptive buffering strategy and audio-only support for alternate streaming and podcasting use. Storekit 2. - Sky DACH (Hollystar): Delivered the first European deployment of SGAI / HLS Interstitials. Maintained the iOS/iPadOS app, fixed offline playback (downloads reliable past 1 hour, ~35x real-time speed), and migrated legacy XIB-based AVPlayer UI to code - Olyzon: Built a non-disruptive L-band in-stream ad insertion (seamless SSAI) system using HLS manifest manipulation and just-in-time edge transcoding. Deployed for BFM/RMC and Amazon AWS Elemental MediaTailor channels - Oho: Implemented low-latency HLS delivery using AWS Elemental MediaLive - WeSpeakSports: Architected a dual low-latency WebRTC pipeline for real-time fan commentary (Ant Media Server, mediasoup, Oven Media Engine). Server-sent events. Shipped iOS, Android, and full-stack web - DJing: Architected and built a triple-protocol audio streaming pipeline (LPCM audio over SRT, lossless ALAC over HLS, bidirectional WebRTC) for remote DJ performances. Shipped 3 companion apps for macOS, iOS, and tvOS Tech: Swift, SwiftUI, AVPlayer, AVAssetWriter, ffmpeg, HLS, WebRTC, SRT, AWS Elemental, MediaTailor, Claude Code, Codex, PHP, Python ### Video Engineer, Dacast (Sep 2021 to Feb 2023) San Francisco, CA Guided the company’s transition from relying solely on external solutions for operations, under the strategic oversight of Martin Rogard (formerly of Dailymotion). Led training initiatives to equip employees with the skills to manage and optimize multiple providers, enhancing video quality, reliability, and customer satisfaction. Drove significant cost savings, achieving a five-figure monthly reduction in offline transcoding expenses by recommending a new provider in line with broader cost-efficiency strategies. Improved the company’s HTTP Streaming Score from 1/20 to 6/20 by aligning more closely with Apple HLS standards, significantly enhancing interoperability (achieving 20/20 compliance with iReplay.tv standards). Provided development support as needed in Golang (backend) and frontend, focusing on optimizing AWS performance for the back office. ### Lead Technical Specialist, iReplay.TV (Mar 2013 to Aug 2021) Built and operated a full cloud-based linear TV platform — from ingest to playback — powering 50+ live channels and unlimited FAST/VOD2Live channels. - Designed and operated the end-to-end pipeline: ingest, transcoding, packaging, playout, manifest manipulation, and CDN delivery - Launched new channels in under 1 month from design to on-air - Introduced à-la-carte TV channels (2015), enabling large-scale (1500+) concurrent channel operations - Operated an internal CDN layer to optimize costs and avoid AWS, Azure, and GCP - Shipped DJing.com linear music TV channels worldwide (24/7, multiscreen) including PPV per-DJ channels and user-curated channels Tech: HLS, ffmpeg, manifest manipulation, playout automation, CDN ### Broadcasting and Streaming Customer Support Engineer, MediaKind (May 2006 to Mar 2013) Rennes OTT and HLS specialist at one of only two Apple-recommended transcoder/packaging vendors. Supported EMEA, US, APAC, and Australia customers. - Recognized as the internal HLS expert, supporting deployments including early Sky HLS rollouts (2009) - Provided L2/L3 technical support for enterprise OTT and adaptive streaming deployments - Occasional Salesforce administrator, developer, and business analyst for the NASDAQ-listed company Tech: HLS, adaptive streaming, OTT, transcoding, packaging ## Availability - Full-time: available now (status: Available) - Part-time: available now, up to 2 days a week (part-time premium 0-20%) - Engagement: B2B contract / freelance, permanent employment - Based: europe · time zone Europe/Paris - Remote by default. On-site work adds a premium of 20-200% at full on-site, finalised by location. ## Rate - Daily rate: $575 per day (USD), for remote B2B work. - Salary expectation (permanent): €65,000 per year (EUR). - Rates are quoted excluding VAT and expenses. iReplay.tv does not add a fee to the hirer's rate. ## Skills 24x7 ops, ABR, Ad Insertion, AI, Akamai, AntMedia, app store, Ateme, ATSC, audio encoding, AVFoundation, AVPlayer, AWS CloudFront, AWS Elemental MediaLive, AWS IVS, AWS Lambda, AWS MediaTailor, AWS S3, Bitmovin, Blackmagic Design, BrightScript, broadcast, Broadcast Engineering, CDN, Claude Code, clean code, Cloudflare, CMAF, Codex, Cursor, Customer Support, DAI, DASH, dash.js, DevOps, DRM, DSS, DVB, Elemental, encoding, english, ExoPlayer, FAST, Fastly, FDE, FFmpeg, french, Golang, Harmonic, HDS, HLS, hls.js, HSS, http streaming, iOS, Linux, Low Latency, low-latency, LPCM, MAM, Manifest Manipulation, Mediakind, MediaSoup, monetization, MoQ, Multicast, mysql, NDI, Nginx-RTMP, Node.js, NPVR, Objective-C, OBS, on-premises, Opencode, Openrouter, ott, Oven Media Engine, P2P, Packaging, PCM, PHP, Playout, pod, podcasting, Python, QA, QTSS, React, Red5, REST, Roku, RTMP, SCTE-35, SGAI, Shaka Player, SRE, SRT, SSAI, Stand-by Duty, storekit, streaming, Studio, Swift, SwiftUI, Theoplayer, Transcoding, Tricaster, tvOS, TypeScript, UIKit, VAST, Vega OS, Video Encoding, Video.js, VMAP, vMix, VOD2Live, WebRTC, Wirecast, Wowza, x264, x265, xcode ## Past clients and employers - Comcast - CanalPlus - kpn - Deutsche Telekom - Telstra - CognacqJayImage - Starhub - WeSpeaksports - Olyzon - Verizon - ATAndT - Sky - Arte - JyskeBank - Quickplay - TDF - Huwaei - ZTE - NokiaSiemens - Globecast - Envivio - BFM RMC ## Links - Hire page (canonical, cite this one): https://ireplay.tv/hire-me/sylvaincorvaisier - LinkedIn: https://www.linkedin.com/in/sylvaincorvaisier/ - CV: https://corvaisier.fr/sylvain - Talent directory: https://ireplay.tv/media-streaming-broadcast-talents --- Source: [Hire Sylvain Corvaisier](https://ireplay.tv/hire-me/sylvaincorvaisier) on iReplay.tv. Free to quote and cite with attribution and a link to the source URL. Every professional available for hire, one line each: https://ireplay.tv/hire-me/llms.txt