Head of Software Development

Telecom• Open Source RTC• AI• CPaaS Remote | US Morning Overlap | Occasional TravelBefore You Apply — Important RequirementTo be considered, you must email the following to careers@signalmash.com:1. Your resume2. A short 2–3 minute video introducing yourselfWe do not review applications submitted on LinkedIn.We cannot review applications without the video.Why the video?This is a senior technical leadership role that interacts daily with US leadership, customers, and investors. Clear, confident English communication is essential. The video doesn't have to be polished—just a natural introduction so we can understand how you communicate.About SignalmashSignalmash builds modern communications infrastructure for voice, messaging, WebRTC, and AI-enhanced workflows. Our platform blends open-source telecom technologies, distributed systems, and modern AI to deliver reliable APIs backed by real human support.We're scaling quickly and hiring a hands-on technical leader to own our platform architecture and guide both outsourced and internal engineering teams.The RoleYou will be the primary technical owner of the Signalmash platform and responsible for:- Platform architecture & evolution- Leading internal + outsourced engineering teams- Integrating open-source telecom components- Building AI-powered features and automation- Ensuring reliability, scalability, and performance- Working directly with the executive leadership teamThis is a senior, high-impact, architecture-driven role.What You'll DoPlatform Architecture- Architect and evolve our real-time communications platform- Lead design across SIP, RTP, WebRTC, messaging gateways, routing engines, and distributed backend services- Work with open-source telecom systems such as:- Kamailio, OpenSIPS, FreeSWITCH, Asterisk, Kannel, Jasmin, Janus, etc.- Improve scalability, latency, observability, and failover- Build internal tools for monitoring, diagnostics, routing intelligence, and securityEngineering Leadership- Lead outsourced development teams & build an internal engineering team- Define engineering standards, architecture guidelines, and delivery processes- Write specs, review designs, and mentor engineers- Drive clarity, accountability, and technical excellenceAI Integration- Design and integrate AI into telecom workflows- Build intelligent routing, diagnostics, automation, fraud detection, developer tools- Implement LLM integrations, RAG, vector search, and AI orchestration frameworks- Optimize AI for performance, reliability, and cost- Successfully integrate proven agentic coding tools into the development processWhat You Bring- Typically 7+ years of backend, systems, or platform engineering- (Unless you're a prodigy—ability matters more than years.)- Strong experience with telecom/RTC technologies:- SIP, RTP, codecs, signaling, media servers, WebRTC, messaging gateways- Hands-on experience with open-source telecom tools:- Kamailio, OpenSIPS, FreeSWITCH, Asterisk, Kannel, Jasmin, etc.- Strong backend engineering (Go, Python, Java, Node.js, or similar)- Experience architecting distributed, fault-tolerant systems- Experience managing outsourced + internal engineering teams- Real experience integrating AI systems (LLMs, RAG, vector DBs, agents)- Excellent English communication skills (spoken & written)- Ability to overlap with US mornings & travel internationallyNice to Have- CPaaS experience- Multi-cloud / multi-region architecture- Telecom analytics, routing optimization, or fraud detection- Experience scaling engineering orgs- Building internal automation or AI engineering toolsHow to ApplyEmail the following to careers@signalmash.com Your resume A 2–3 minute unscripted video introducing yourselfApplications without the video will not be reviewed.We look forward to meeting you.