Telnyx

Design, build, and maintain scalable backend APIs and services while collaborating across teams to solve user problems. | 6+ years in software development with functional programming, relational databases, microservices, message queues, and distributed systems knowledge. | About you We're looking for people with a strong background or interest in building successful products or systems; you're comfortable in dealing with lots of moving pieces; you have exquisite attention to detail; and you're comfortable learning new technologies and systems. The Opportunity We have backend engineers in almost every team across Telnyx, and in that role, you'll be making some of the most significant decisions for the company. You'll get to work with other engineers to build delightful features that span various parts of the system, as well as our business, sales, and operations teams to understand and solve our users' pain points. • Design, build, and maintain APIs, services, and systems across Telnyx's engineering teams. • Debug production issues across services and multiple levels of the stack. • Work with engineers across the company to build new features at large scale. • Improve engineering standards, tooling, and processes. What We're Looking For • Have 6+ years of professional software development experience with a functional programming language (Elixir/Erlang is preferred). • Have experience working with relational databases at scale. • Have deep knowledge of microservice architecture patterns and anti-patterns. • Have experience with message queues like RabbitMQ and Kafka. • Understand the challenges inherent in concurrent and distributed programming. • Have experience with more exotic databases/key-value stores such as ETS, Mnesia, Cassandra and Redis. • Have familiarity with Docker, Kubernetes, Consul, Jenkins, Prometheus, or RabbitMQ. 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. • You keep up to date with the latest technologies and patterns and enjoy sharing what you've learned.

Design and maintain APIs and microservices, debug production issues, and collaborate with teams to develop features and improve standards. | 6+ years in functional programming (preferably Elixir/Erlang), deep knowledge of microservices, distributed systems, and databases. | 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. About you We’re looking for people with a strong background or interest in building successful products or systems; you’re comfortable in dealing with lots of moving pieces; you have exquisite attention to detail; and you’re comfortable learning new technologies and systems. The Opportunity We have backend engineers in almost every team across Telnyx, and in that role, you’ll be making some of the most significant decisions for the company. You’ll get to work with other engineers to build delightful features that span various parts of the system, as well as our business, sales, and operations teams to understand and solve our users’ pain points. Design, build, and maintain APIs, services, and systems across Telnyx’s engineering teams. Debug production issues across services and multiple levels of the stack. Work with engineers across the company to build new features at large scale. Improve engineering standards, tooling, and processes. What We're Looking For Have 6+ years of professional software development experience with a functional programming language (Elixir/Erlang is preferred). Have experience working with relational databases at scale. Have deep knowledge of microservice architecture patterns and anti-patterns. Have experience with message queues like RabbitMQ and Kafka. Understand the challenges inherent in concurrent and distributed programming. Have experience with more exotic databases/key-value stores such as ETS, Mnesia, Cassandra and Redis. Have familiarity with Docker, Kubernetes, Consul, Jenkins, Prometheus, or RabbitMQ. 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. You keep up to date with the latest technologies and patterns and enjoy sharing what you’ve learned.

Lead the Voice AI backend roadmap, prioritize features, define requirements for voice primitives, partner with engineering to improve system performance, and align product with leadership. | Must have real-time voice experience with telephony, SIP/WebRTC, and proven success shipping backend infrastructure products. | 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. We’re hiring a Senior Technical Product Manager to lead the roadmap for our Voice AI backend — the core infrastructure that powers speech-to-text, text-to-speech, LLM integrations, and real-time call control. This is a brand-new role with high visibility, reporting directly into Product and working closely with engineering. What You’ll Do Own the Voice AI backend roadmap end-to-end. Scope and prioritize features around STT, TTS, VAD, and LLM integrations. Define requirements for programmable voice primitives (call control, media injection, partial ASR). Partner with engineering to deliver improvements in latency, reliability, and multi-engine support. Establish metrics and feedback loops to measure performance and UX. Act as the “glue” between product, engineering, and leadership. What We’re Looking For Strong background in programmable voice: SIP, WebRTC, call control APIs. Familiarity with AI pipelines (STT, TTS, LLM orchestration). Proven success delivering backend or distributed systems products. Hands-on comfort with APIs (Postman, cURL) and technical specs. Decisive, opinionated, and able to drive priorities in fast-moving environments. Dealbreakers: Must have real-time voice experience (telephony, SIP/WebRTC). Must have experience shipping backend infrastructure products. Why Join Telnyx? High-impact, net new role — define Voice AI at Telnyx from the ground up. Work across product, engineering, and leadership with direct visibility to the CEO. Build the future of programmable voice + AI in a fast-moving, innovative environment. #LI-KG1 #LI-DUBLIN #LI-IRELAND #LI-DENVER #LI-AMSTERDAM #LI-EUROPE

Design and build performant, reliable APIs and microservices, automate production systems, and maintain high engineering standards. | 3+ years Python development, experience with async frameworks, microservices, relational databases, and familiarity with Docker and Kubernetes. | 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. The Role Our Python team works on building highly available low latency microservices from scratch using the newest bleeding-edge technologies. You will work on creating internal tools to be used across the company, have the opportunity to make a huge impact on our growing company, solving complex problems as we scale. You’ll be part of a group of people working together to build solutions to mission-critical problems and a company that values the very best ideas. You’ll work closely with fellow engineers, product managers, and DevOps to build performant APIs and robust distributed systems. What You’ll Do Design performant, reliable, and developer-friendly APIs. Write clean, testable, maintainable code with appropriate test coverage. Build, test, and deploy applications to deliver critical global communications services. Identify and resolve issues related to latency, scalability, and performance. Create tools to automate aspects of production systems. Participate in code reviews and uphold high-quality engineering standards Who we're looking for 3+ years of professional software development experience in Python Experience with web application development and microservice architecture Strong grasp of async Python frameworks (e.g. FastAPI, asyncio, aiohttp) Comfortable working with relational databases at scale. Experience in a highly-available, uptime-critical production environment. Deep knowledge of microservice architecture patterns and anti-patterns. Strong understanding of RESTful API design and distributed systems. Familiarity with Docker, Kubernetes, Consul, Jenkins, Prometheus, or RabbitMQ. Exposure to AI/ML pipelines or experience integrating ML models into production systems. Excellent communication skills and the ability to work cross-functionally Fluent English 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. You keep up to date with the latest technologies and patterns, and enjoy sharing what you’ve learned. #LI-RH1