Video streaming at scale is one of the most demanding infrastructure problems in software engineering. We have delivered systems serving millions of concurrent viewers across multiple continents under live event conditions.
📹
Adaptive Streaming Infrastructure
HLS and DASH adaptive bitrate streaming with multi-CDN distribution (Cloudflare, Akamai, AWS CloudFront), origin shielding, live transcoding pipelines, thumbnail generation, and sub-2-second stream start time engineering validated under peak load.
HLS/DASH
Multi-CDN
FFmpeg
🧠
Recommendation ML Pipeline
Two-tower retrieval and ranking models, matrix factorisation, session-based sequential recommendation, and real-time feature stores — with online/offline evaluation frameworks, cold-start handling for new users and content, and continuous retraining pipelines.
Two-Tower
Feature Store
A/B Testing
🔒
DRM & Content Protection
Multi-DRM implementation covering Widevine (Android/Chrome), FairPlay (iOS/Safari), and PlayReady (Windows/Xbox), token-based licence delivery, offline download protection, and watermarking for forensic leak detection on premium content.
Widevine
FairPlay
PlayReady
📊
Real-Time Audience Analytics
Sub-second play event ingestion via Apache Kafka, real-time retention curve calculation, concurrent viewer tracking, quality-of-experience monitoring, and operational dashboards that update in real time during live events and premiere releases.
Apache Kafka
ClickHouse
Real-Time
💳
Subscription & Entitlement Engine
Multi-tier subscription management, paywall and metered access, promotional pricing, in-app purchase integration with Apple and Google, dunning management, and the entitlement system that controls content access across every device and profile simultaneously.
Stripe
RevenueCat
IAP
📡
Server-Side Ad Insertion
SSAI/DAI implementation that stitches targeted ads into the video manifest server-side — eliminating ad blockers, ensuring seamless playback quality, and enabling personalised ad delivery at the individual viewer level across live and VOD streams.
SSAI/DAI
VAST/VMAP
Programmatic