
Telnyx is a global connectivity platform offering carrier-grade communications, IoT, AI, compute, and networking solutions via APIs and a management portal. It provides programmable voice, messaging, video, wireless, and identity services with global reach in 140+ countries. The platform supports real-time conversational AI with customizable voice assistants and integrates top-tier AI models for enterprises. Telnyx differentiates itself with a full-stack solution combining AI infrastructure, global PSTN connectivity, and 24/7 dedicated support, enabling rapid deployment and scaling of voice AI and communications applications. Its Mission Control Portal simplifies infrastructure management, provisioning, and monitoring, serving a broad range of industries including healthcare, finance, logistics, and retail.

Telnyx is a global connectivity platform offering carrier-grade communications, IoT, AI, compute, and networking solutions via APIs and a management portal. It provides programmable voice, messaging, video, wireless, and identity services with global reach in 140+ countries. The platform supports real-time conversational AI with customizable voice assistants and integrates top-tier AI models for enterprises. Telnyx differentiates itself with a full-stack solution combining AI infrastructure, global PSTN connectivity, and 24/7 dedicated support, enabling rapid deployment and scaling of voice AI and communications applications. Its Mission Control Portal simplifies infrastructure management, provisioning, and monitoring, serving a broad range of industries including healthcare, finance, logistics, and retail.
What they do: Global CPaaS and licensed carrier offering programmable voice, messaging, video, Verify (2FA), real-time speech/text APIs, and Voice AI infrastructure.
Network: Owns and operates a private, globally distributed IP/telecom network with low-latency PoPs.
Founding: Founded in 2009 by David Casem and Ian Reither; headquartered in Austin, Texas.
Funding signal: Seed funding disclosed (latest round dated Sep 1, 2014); investors include Chicago Ventures.
Employees (approx.): 322
Enterprise communications, real-time conversational AI, and telecom connectivity for applications requiring carrier-grade voice/messaging and global reach.
2009
Communications Platform (CPaaS) / Telecom
Crunchbase lists this as the latest disclosed round (Sep 1, 2014) and names Chicago Ventures as lead.
“Chicago Ventures (lead); additional investors listed on public profiles include Pritzker Group Venture Capital, Point B Capital, Lakewest Venture Partners, Corazon Capital, Stuart Larkins, and Alan Matthew.”
As a Product Support Engineer, you are a motivated and enthusiastic individual with a passion for technology. You will work closely with our operations and engineering squads, triaging and troubleshooting frequent cases. Communication skills, flexibility and a desire to learn are essential, as well as the ability to work on multiple concurrent priorities through chat, tickets and calls. This is a unique opportunity to join our team and make a difference in a growing, innovative company. * Monitor operational pager alerts in an efficient and timely manner. * Improve customer self service through better processes and documentation. * Troubleshoot customer and vendor concerns quickly and efficiently to maintain the highest standards of professional customer service. * Liaise with your technical peers for resolution of escalated cases. * Strong customer-focus, interpersonal and communication skills. * Excellent listening and questioning skills, combined with the ability to interact confidently with clients to assess problems and explain solutions. * Continually looking to solve problems. * Understand issues and requirements well in order to provide solutions. * Outgoing and socially interactive. * A self starter looking to assist at any moment and to take the initiative. * Balancing daily workload and multi-tasker who can effectively prioritize work. * Experience in a product support/application role. * Voice over IP experience with the SIP signalling protocol or other related telephony protocols. * An understanding of general web technologies such as API/SDK's. * Confidence with technology and the Internet. * A natural curiosity and experience in applying technology to resolve customer issues. * A variety of languages including Python, Java, Elixir, Scala, Go, Angular, and React. * Open-source technologies like Cassandra, Spark, and ElasticSearch. * Industry-standard build tooling, including Docker, Consul, Jenkins, Ansible, Github and Kubernetes. * 10pm Friday to 7am Saturday UTC * 10pm Saturday to 7am Sunday UTC * 10pm Sunday to 7am Monday UTC * 10pm Monday to 7am Tuesday UTC * 10pm Tuesday to 7am Wednesday UTC * 5 day week: 9 hour shift with 1 hour break. * Saturday & Sunday is a set working day. * Working days for this role would be Friday, Saturday, Sunday, Monday and Tuesday. * Rest days would be Wednesday and Thursday.