vacancy # вакансия # Cyprus ### Principal Messaging Architect / Messenger Platform Expert

WINSSEN HOLDINGS LIMITED Вакансия: Principal Messaging Architect / Messenger Platform Expert Локация: Кипр, Ларнака Требуемый опыт работы: от 5 лет Полная занятость, офис или удаленная работа

About YouChat YouChat is a modern messaging platform focused on delivering fast, reliable, and seamless communication across web and mobile devices. Our current architecture is heavily web-based, with mobile applications leveraging Web UI for most functionality and native implementations for selected platform-specific features. We are looking for an experienced Messaging Architect to help us evolve YouChat into a world-class messaging platform.

What You’ll Do

• Review and assess the current platform architecture
• Define a long-term technical roadmap for scalability and reliability
• Improve messaging performance, synchronization, and delivery
• Optimize mobile and web user experience
• Advise on best practices used by leading messaging platforms
• Mentor engineering teams and participate in key architectural decisions

Ideal Background We are particularly interested in candidates who have contributed to large-scale messaging or real-time communication platforms, such as:

• Telegram
• WhatsApp
• Signal
• Discord
• Slack
• Microsoft Teams
• Viber

Technical Expertise

• Distributed systems
• Real-time messaging architectures
• WebSockets, MQTT, gRPC, messaging protocols
• Mobile and web application performance
• Push notification systems
• Multi-device synchronization
• Scalability and reliability engineering
• Security and privacy

Engagement Models We are open to multiple formats: Full-time, Part-time, Technical Advisor, Consultant or Fractional Architect

Location Remote (Worldwide)

If you have experience building messaging systems at scale and would like to help shape the future of communication products, we’d love to hear from you.

Please send your CV and questions to: 📲 Telegram: @natalia_zvyagina