Frontend/Fullstack Engineer (Senior)

Remotely

Part-time

We are seeking a Frontend/Fullstack Engineer (Senior) with proven experience developing video players and integrating ads according to IAB standards.

Required:

• HTML5, JavaScript (ES5, ES6) (including prototypal inheritance and working with the HTMLMediaElement API), TypeScript

• HLS / DASH / MSE, understanding of iOS limitations (no MSE → native HLS) and cross-browser autoplay specifics

• VAST / VPAID / VMAP

• Experience with Video.js or hls.js

• SSAI (server-side ad insertion)

• Flutter WebView (embedding a player in a mobile app)

A plus:

• Node.js and basic DevOps (Docker, CI) for ad-tech integration: VAST proxy, self-hosted ad scripts, server-side VMAP build

• Header bidding / Prebid (client or server)

• Understanding of CDN and content delivery (signed URLs, tokens, segment cache)

• DRM (Widevine / PlayReady / FairPlay)

Format: Remote, part-time (4 hours/day)