LATM; Brazil; Columbia; Argentina (Remote)

Telnyx is hiring a Mobile Core Engineer

About the Role

Role details below.

Responsibilities

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

Requirements

  • Senior software Engineer with Mobile Telecoms experience
  • Passion for the mobile telecoms industry and its opportunities, particularly in the IoT market
  • Familiarity with 3GPP specifications
  • Excellent problem-solving skills
  • Strong bias for collaboration and rapid, iterative development
  • Multiple years of diverse professional software development experience with more than one programming language or platform (e.g. Go, Erlang, Elixir, etc.)
  • Passion for robustness and correctness
  • Practical skills in automated testing
  • Understanding of relational databases, SQL
  • Knowledge of mobile wireless systems and protocols
  • Innate curiosity
  • Strong sense of ownership
  • Willingness to learn and apply new knowledge to solve problems
  • Experience with IoT platforms and mobile network systems and protocols
  • Experience in the design and implementation of commercial IoT/M2M solutions
  • Experience with multi-vendor IPX connectivity

Nice to Have

  • Familiarity with message queues like RabbitMQ and Kafka
  • Familiarity with PostgreSQL
  • Familiarity with more exotic databases/key-value stores such as ETS
  • Familiarity with Docker, Kubernetes, Consul, Jenkins, Prometheus
  • Basics of web front-end

Additional Information

  • The company is financially stable and profitable, enabling investment in pioneering technologies and fostering an environment of continuous learning and growth.
Job Details
Location LATM; Brazil; Columbia; Argentina (Remote)
Department Core Wireless
Category Backend
Posted 4 months ago
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About company
Telnyx logo

Telnyx delivers global, low-latency voice and messaging infrastructure powered by a private global network. The company provides Voice AI agents, programmable communications APIs, and eSIM solutions for businesses requiring high-quality, secure, and scalable real-time interactions.

With full ownership of its telecom stack—from carrier network to AI inference—Telnyx enables enterprises to deploy autonomous, real-time AI agents with unmatched call quality, compliance, and speed. Its platform supports use cases across healthcare, finance, travel, logistics, and more.

Telnyx is trusted by over 14,000 industry-leading companies, including OpenAI, IBM, Cisco, Microsoft, and Zillow, and complies with global standards such as SOC 2, HIPAA, GDPR, and PCI.

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