About Telnyx
Telnyx is an industry leader that's not just imagining the future of global connectivity—we're building it. From architecting and amplifying the reach of a private, global, multi-cloud IP network, to bringing hyperlocal edge technology right to your fingertips through intuitive APIs, we're shaping a new era of seamless interconnection between people, devices, and applications.
We're driven by a desire to transform and modernize what's antiquated, automate the manual, and solve real-world problems through innovative connectivity solutions. As a testament to our success, we're proud to stand as a financially stable and profitable company. Our robust profitability allows us not only to invest in pioneering technologies but also to foster an environment of continuous learning and growth for our team.
Our collective vision is a world where borderless connectivity fuels limitless innovation. By joining us, you can be part of laying the foundations for this interconnected future. We're currently seeking passionate individuals who are excited about the opportunity to contribute to an industry-shaping company while growing their own skills and careers.
As an Elixir Telephony Engineer at Telnyx, you will create and deploy groundbreaking applications that are part of the Telnyx Telephony platform. Projects often start with a kickstart question and our Engineers lead the way in developing a solution, from high-level system design and prototyping to application development and data integration. As a Telnyx software engineer, you leverage everything around you: Telnyx products, open source technologies, and anything you and your team can build to drive real impact.
You work with users around the globe, where you help our customers by solving their communications challenges. Each mission presents different challenges, from the regulatory environment to the nature of the data to the user population. You will work to accommodate all aspects of an environment to drive real technical outcomes.
You Will:
- Design, build, and maintain APIs, services, and systems across Telnyx’s telephony engineering teams.
- Work with engineers across the company to build new telephony features at large-scale.
- Improve engineering standards, tooling, and processes.
- Identify, optimize and resolve issues related to latency, scalability, and performance of core telephony infrastructure.
- Have 2+ years of professional software development experience with Elixir programming language.
- Have deep knowledge of microservice architecture patterns and anti-patterns.
- Understand the challenges inherent in concurrent and distributed programming.
- Experience working with Docker.
Bonus Points For
- You take a thoughtful approach to decision making, knowing when to move fast and when to long-term optimize.
- You want to work in a fast-paced, product-driven environment.
- SIP and other VoIP related protocols and technologies like RTP, WebRTC, ICE, STUN, TURN
- Consul, Kubernetes, Jenkins, Ansible, Grafana, Graylog, Prometheus
- You keep up to date with the latest technologies and patterns, and enjoy sharing what you’ve learned.
Top Skills
What We Do
Telnyx delivers voice, messaging and more for applications and next-generation communications companies. Offering a communications platform that provides global carrier-grade services, Telnyx maintains an international, private IP network and grants its customers unprecedented control over their communications through its innovative portal and RESTful API.
Telnyx products include voice (elastic SIP trunking, global number search, and telephony data), programmatic messaging, wireless (mobile IoT), embedded communications (WebRTC) and automated networking. Customers provision services a la carte and pay by usage for scalable, on-demand communications.







