Tech Lead – IP Telephony/VoIP Systems (NodeJS, Golang)

Proposition:• JOB OFFER after 1 ROUND INTERVIEW• Clear career path & ESOP opportunities upon product launch• While NOT mandatory, strong English reading/listening skills are highly recommended for ongoing course learning & documentation reviewAbout us: K&M Holdings is a dynamic startup in Hanoi specializing in SaaS/AaaS solutions. Our flagship products include an IP Telephony platform built on Asterisk, a coalition loyalty app, and AI-powered customer care agents. About the role:We are seeking a passionate and experienced Tech Lead to drive the technical vision for our IP Telephony platform. In this role, you will be at the forefront of designing and developing robust telecommunication solutions using the Asterisk framework. You will lead a team of developers and collaborate closely with product managers and external telecom providers to deliver a high-quality, scalable, and secure VoIP system. Your expertise will be key in defining architecture, ensuring system performance, and integrating cutting-edge telephony technologies that meet both current and future business needs.Responsibilities: • Architectural Leadership: Design and oversee the overall system architecture for the IP telephony platform, ensuring scalability, security, and high availability.• Core Development: Serve as the principal coder; write and review critical code components, modules, and integrations with Asterisk and VoIP protocols (SIP, RTP, etc.).• Team Leadership: Mentor and guide a small team of backend and frontend developers, establishing coding standards, best practices, and agile methodologies.• Integration & Collaboration: Work closely with product management and external telecom providers to align technical solutions with business needs.• Performance Optimization: Analyze system performance and implement improvements for call quality, reliability, and security.• Innovation: Stay updated on emerging telecommunication trends and integrate new features or protocols as needed.