Head of Software Development & Platform Architecture

This is a remote position. Cobalt Streamworks is building modern communications infrastructure for voice, messaging, WebRTC, and AI-powered workflows. We blend open-source telecom technologies, distributed systems, and applied AI to deliver reliable, developer-friendly APIs backed by real human support. We are hiring a senior technical leader to own our platform architecture and guide both internal and outsourced engineering teams. This is a high-impact role shaping the future of our telecom + AI platform. Key Responsibilities Platform Architecture Own and evolve the Cobalt Streamworks real-time communications platform Lead architecture across SIP, RTP, WebRTC, messaging gateways, routing engines, and distributed backend systems Integrate and optimize open-source telecom components such as Kamailio, OpenSIPS, FreeSWITCH, Asterisk, Kannel, Jasmin, Janus, etc. Improve scalability, latency, observability, and fault tolerance Drive internal tools for monitoring, diagnostics, routing intelligence, and security Engineering Leadership Lead outsourced engineering partners and build a high-performing internal team Define engineering standards, architecture guidelines, and delivery processes Write technical specs, review designs, and mentor engineers Drive clarity, accountability, and engineering excellence AI Integration Architect AI-powered telecom workflows Build intelligent routing, fraud detection, diagnostics, automation, and developer tooling Implement LLM-based systems, RAG pipelines, vector search, and agent-based orchestration Optimize AI for performance, reliability, and cost efficiency Integrate modern AI coding/automation tools into engineering processes Requirements 7+ years in backend, systems, or platform engineering (or equivalent expertise) Strong knowledge of telecom/RTC technologies: SIP, RTP, codecs, signaling, media servers, WebRTC, messaging gateways Hands-on experience with open-source telecom stacks (Kamailio, OpenSIPS, FreeSWITCH, Asterisk, Kannel, Jasmin, Janus) Strong backend engineering experience in Go, Python, Java, Node.js, or similar Experience building large-scale, distributed, fault-tolerant systems Proven leadership experience managing outsourced + internal teams Practical experience with AI/LLM integrations (RAG, vector DBs, agents, orchestration frameworks) Excellent English communication (spoken & written) Availability for US-morning overlap & occasional travel Nice to Have CPaaS experience Multi-region / multi-cloud architecture Telecom analytics, routing optimization, or fraud detection Experience scaling engineering orgs Building internal engineering automation tools Benefits Fully remote role with flexible work arrangements Opportunity to build a next-generation telecom+AI platform Work alongside global engineering and executive leadership Ownership over architecture direction and technical strategy Competitive compensation and growth opportunities Occasional international travel for team and customer meetings Originally posted on Himalayas