About Telnyx
Telnyx is an industry leader building the future of global connectivity — from architecting and amplifying the reach of a private, global, multi-cloud IP network, to bringing hyperlocal edge technology to users through intuitive APIs. The company is driven to transform and modernize what's antiquated, automate the manual, and solve real-world problems through innovative connectivity solutions. Telnyx is financially stable and profitable, which allows investment in pioneering technologies and continuous learning and growth for the team.
Responsibilities
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 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.
AI-assisted engineering is an integral part of how the team works. Engineers actively use AI agents to accelerate software development, troubleshoot complex issues, and assist with deployments and operational workflows, leveraging Telnyx's own Telnyx Inference product to power AI-driven engineering workflows and continuously improve developer productivity, code quality, and operational efficiency.
You work with users around the globe, helping customers solve 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.
•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.
Requirements
•Have 2+ years of professional software development experience with the Elixir programming language.
•Have deep knowledge of microservice architecture patterns and anti-patterns.
•Understand the challenges inherent in concurrent and distributed programming.
•Take a thoughtful approach to decision making, knowing when to move fast and when to long-term optimize.
•Want to work in a fast-paced, product-driven environment.
•Keep up to date with the latest technologies and patterns, and enjoy sharing what you've learned.
•Familiarity with SIP and other VoIP related protocols and technologies like RTP, WebRTC, ICE, STUN, TURN.
•Familiarity with Consul, Docker, Kubernetes, GitHub Actions, Ansible, Grafana, Graylog, Prometheus.
