Video player developer in Retail Radio

Location: Remote or hybrid (by agreement)

Project: Development of a custom video player for broadcasting video content in retail outlets (screens in stores, cafes, fitness halls, etc.)

The main functionality of the player isto create a stable, easy-to-use video player that:

• automatically plays video from local storage
• supports offline mode
• has a centralized content management system (via API or CMS)
• works on devices such as Android TV box, Raspberry Pi, Windows mini-PC

1. Purpose

Local client that:

• gets config from server;
• caches content;
• plays video/images/HTML;
• works 24/7 in fullscreen/kiosk mode;
• sends heartbeat and screenshots;
• works offline according to the latest configuration.

2. Technologies

• Electron (Node.js + Chromium)
• HTML5
• hls.js (optional)
• REST API (HTTPS + JSON)

3. Main work cycle

3.1Start

• generates/reads device_id
• loads local config
• starts playlist immediately
• in parallel receives new config from server

3.2 Caching

• all media files are downloaded to the local cache

when offline, the cache is used

3.3Playback

Types: video (mp4/HLS) and image (jpg/png/webp)

700">Requirements:

fullscreen, no UI transitions

3.4 CapturePage ()

4. Non-functional requirements

• 24/7 operation, automatic restart in case of failure
• 1080p support (minimum), preferably 4K
• HTTPS required
• devtools blocked
• kiosk mode

5. Installation and autostart

Linux

.deb / .AppImage

systemd autostart service

Windows

.exe installer

autostart via Startup/registry

macOS

.dmg

auto launch via LaunchAgent

6.Update (optional)

• electron-updater
• background download
• update on restart

Requirements for the candidate

• Experience in developing video players or multimedia applications
• Knowledge of platforms: Linux, Windows
• Experience with API, WebSocket, REST, JSON
• Understanding principles of caching, offline access, logging

Preferred

• Experience in the field of digital signage or retail technologies
• Examples of implemented projects (GitHub, videos, screenshots)