IOS Developer

We’re Hiring: Remote Part-Time iOS Developer (XMPP & Real-Time Messaging)

We’re looking for an experienced iOS Developer with strong expertise in XMPP (ejabberd) and WebSocket optimization to help improve real-time messaging reliability, performance, and battery efficiency.

What You’ll Do

Optimize XMPP/ejabberd connection stability, reconnection logic, and keep-alives

Improve XMPP over WebSocket implementations (XEP-0198, XEP-0206)

Implement adaptive connection strategies for changing network conditions

Enhance performance, reliability, and battery efficiency for real-time messaging

Maintain and improve existing XMPPFramework-based code

What We’re Looking For

5+ years of iOS development experience with strong Swift skills

3+ years of hands-on XMPP experience with ejabberd integration

Strong understanding of networking, WebSockets, and long-lived connections

Experience optimizing real-time apps on unstable networks

Nice to Have

Experience with XMPPFramework

Knowledge of XEP-0352 (Client State Indication)

Background in VoIP or real-time applications

⏱ Role Details

Remote, part-time position

Flexible working hours

Work on a real-time, production messaging system