Telephony/SIP Developer (Live Anywhere)
Telephony/SIP Developer Join a high-growth engineering team building global, high-performance communication software. We are looking for a backend expert to evolve our core telephony platform. The Role
- 50-60% Coding: Build and maintain SIP-based services and real-time communication components.
- 15-25% Architecture: Collaborate on system design and new feature delivery.
- 20% Peer Review: Maintain high standards for code quality and performance.
- Tools & Tech: Primary development in Go (with some C++/Python) using Cursor.
What You’ll Do
- Design scalable, reliable backend services for our core telephony platform.
- Diagnose and resolve complex issues across networking and distributed systems.
- Write clean, documented code with robust automated testing (Unit, Integration, E2E).
- Own the signaling logic and infrastructure that powers worldwide communication.
Requirements
- 3+ years of professional software development experience.
- Strong Go or C++ skills: Must be willing to work in Go 90% of the time.
- Deep SIP Knowledge: Expert understanding of the SIP stack, headers, and call flows.
- Protocol Fluency: Hands-on experience with RTP/RTCP and UDP/TCP (beyond third-party abstractions).
- Core Telephony: Proven track record building/debugging telephony infrastructure.
- Logistics: Must be able to start by 10:00 AM EST and travel twice yearly for meetings.
Perks
- 100% Remote (US or Canada-based).
- Unlimited PTO & 401(k) matching.
- Direct-hire, stable engineering environment.