Senior Software Engineer, C++ (Mobile Core) - Remote

Overview

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.

In Short

• Design, develop, and maintain scalable and reliable software for mobile core network functionalities (e.g., EPC, 5G Core, etc.).
• Leverage a deep understanding of IP networking to troubleshoot, design, and optimise communication between components of the mobile core.
• Enhance system performance by profiling, debugging, and refactoring code in C++ and Golang.
• Work closely with cross-functional teams to deliver high-quality solutions on time.
• Contribute to and maintain APIs across Telnyx’s Wireless stack.
• Debug production issues across services and multiple levels of the stack.
• Create and maintain technical documentation, including design specifications, system diagrams, and API documentation.
• Understanding of relational databases, SQL.
• Knowledge of mobile wireless systems and protocols.

Requirements

• Strong programming experience in C++, C and Golang.
• Solid understanding of IP networking, including protocols such as TCP/IP, UDP, DNS, and BGP.
• Familiarity with mobile core architectures and protocols (e.g., LTE/4G EPC, 5G Core, Diameter, GTP etc.).
• Hands-on experience with distributed systems and multi-threaded applications.
• Knowledge of DevOps practices, including containerisation (Docker, Kubernetes) and CI/CD pipelines.
• Proficiency in SQL. Familiarity with Postgres is an advantage.
• Willingness to learn and apply new knowledge to solve problems.
• Multiple years of diverse professional software engineering experience with more than one programming language or platform.
• Passion for robustness and correctness. Practical skills in automated testing.

Benefits

• Experience with Elixir and functional programming concepts is a significant advantage.
• Familiarity with message queues like RabbitMQ and Kafka.
• Familiarity with more exotic databases/key-value stores such as ETS.
• Familiarity with Docker, Kubernetes, Consul, Jenkins, Prometheus.
• Basics of web front-end.
• Experience with IoT platforms.
• Experience in the design and implementation of commercial IoT/M2M solutions.