Extensible Messaging and Presence Protocol 雇佣 XMPP Experts

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    Chat Messaging App (like whatsapp/telegram) with Crypto Payments - Erc20 token smart contract **UK Developers ONLY** iOS and Android, XMPP, AWS, Swift NodeJS, Java, PHP, CMS. High quality UX/UI required, fast instant messaging, Instant Messaging, Voice & Video calling, Group Chat, Upgrade. NOTE: Only those that can show past or current similar apps will be considered

    $64286 (Avg Bid)
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    A car rental service project that needed to be edited according to my need and wants , addition of the content and information that will given. Gotta get this done ASAP....

    $88 (Avg Bid)
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    Android Developer 7 小时 left

    Need an experience android developer who also has some knowledge of Node.js and can easily identify bugs and fix them.

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    4 个竞标