Software Engineer, Elixir (Mobile Core)

telnyx54· Wireless Mobile
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📍 Brazil

About this role

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 the Role

We're looking for a Senior Software Engineer to join our Core Wireless team, responsible for the design, development, deployment and maintenance of all mobile network infrastructure and associated applications. You'll work at the intersection of software engineering and mobile telecoms, with a particular focus on IoT.

What You'll Do

  • Design, build and maintain APIs, services, and systems across Telnyx's Wireless stack
  • Debug production issues across services and multiple levels of the stack
  • Troubleshoot connectivity issues across roaming partners globally
  • Collaborate with engineers across the company to build new features
  • Improve engineering standards, tooling, and processes

What We're Looking For

  • Strong experience in one or more of: Go, Elixir, or Erlang; C++ in a telecoms context is a plus
  • Familiarity with 3GPP specifications and mobile core protocols (e.g. AMF, UPF, SMF or equivalent 4G/5G elements)
  • Experience with IoT platforms and mobile network systems and protocols
  • Understanding of relational databases and SQL
  • Practical skills in automated testing and a passion for robustness
  • Strong sense of ownership, innate curiosity, and willingness to learn

Bonus Points

  • Experience with IoT/M2M solution design and implementation
  • Familiarity with multi-vendor IPX connectivity
  • Message queues: RabbitMQ or Kafka
  • PostgreSQL or exotic databases/key-value stores (e.g. ETS)
  • Docker, Kubernetes, Consul, Jenkins, Prometheus
  • Basics of web front-end






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Frequently Asked Questions

Is the salary disclosed for the Software Engineer, Elixir (Mobile Core) position at telnyx54?
The salary for this Software Engineer, Elixir (Mobile Core) role at telnyx54 is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Software Engineer, Elixir (Mobile Core) position at telnyx54 located?
This Software Engineer, Elixir (Mobile Core) role at telnyx54 is based in Brazil. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Which team or department does the Software Engineer, Elixir (Mobile Core) at telnyx54 belong to?
This Software Engineer, Elixir (Mobile Core) position is part of the Wireless Mobile department at telnyx54. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Software Engineer, Elixir (Mobile Core) position at telnyx54?
Click the "Apply Now" button on this page. You will be redirected to telnyx54's official application portal hosted on greenhouse where you can submit your application directly.
When was the Software Engineer, Elixir (Mobile Core) job at telnyx54 posted?
This Software Engineer, Elixir (Mobile Core) position at telnyx54 was posted on Jan 27, 2025. Apply as soon as possible — early applications are often reviewed first.
Software Engineer, Elixir (Mobile Core)
telnyx54
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