Senior Backend Engineer

🔥 15 hours ago

🌐 Ireland, Vietnam, +3 more countries – Remote

🇮🇪 Ireland – Remote 🇻🇳 Vietnam – Remote 🇮🇳 India – Remote 🇵🇱 Poland – Remote 🇳🇱 Netherlands – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 10%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Telnyx

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2015

💼 Consulting

📦 Logistics

📡 Telecommunications

💰 $2.1M Seed Round on 2014-08

Consulting • Logistics • Telecommunications

Telnyx is a modular, cloud-native platform that enables the creation of custom communications and connectivity applications. It offers a comprehensive suite of APIs accessible through intuitive SDKs and web tools. Telnyx provides AI-powered connectivity solutions, programmable networking, IoT SIM cards, and private global networks for high-quality communication services. Their platform is designed to improve customer experience through AI-powered voice solutions and offers low-latency AI services using GPU-powered infrastructure. Telnyx supports various industries by providing tools for building secure, scalable, and innovative communication and connectivity solutions worldwide.

📋 Description

• Design, build, maintain, and operate backend services supporting WebRTC and Voice SDK products • Own Voice SDK proxy services, authentication and token services, push notification services, RTC DNS, and diagnostic logging • Improve reliability, scalability, and maintainability of customer-facing backend services • Improve connection setup, authentication flows, routing, and service behavior for real-time communication workloads • Build and improve observability through logs, metrics, dashboards, alerts, and operational tooling • Improve visibility into push notification delivery and monitor and troubleshoot APNs and FCM integrations • Diagnose production issues across backend services, networking layers, and client connectivity • Improve deployment processes, rollout safety, and production readiness for distributed services • Turn recurring customer and operational issues into durable engineering improvements • Collaborate with mobile, JavaScript, infrastructure, and other engineering teams • Shape the architecture and technical direction of backend systems supporting WebRTC products

🎯 Requirements

• Strong professional experience building and operating backend systems in production • Strong experience working with distributed systems and service-oriented architectures • Experience with Elixir or Erlang, or strong backend engineering experience with the ability and willingness to ramp up quickly in Elixir • Experience building or operating real-time, low-latency, or connection-oriented systems • Strong understanding of authentication, service communication, session lifecycle, reliability, and failure recovery • Experience owning services throughout their lifecycle, including design, development, deployment, monitoring, troubleshooting, and scaling • Experience with Kubernetes, containers, CI/CD, and modern production infrastructure • Experience with logging, metrics, dashboards, alerting, and root-cause analysis • Good understanding of networking fundamentals and ability to troubleshoot across software, networking, and infrastructure boundaries • Strong communication skills and ability to collaborate effectively with engineers across the stack • Nice-to-have: Experience with WebRTC, VoIP, voice/video communications, or other real-time communication systems • Nice-to-have: Experience with WebSockets or other persistent connection technologies • Nice-to-have: Experience with push notification infrastructure such as APNs or FCM • Nice-to-have: Experience with DNS, edge routing, service discovery, or globally distributed systems • Nice-to-have: Experience building internal diagnostic, observability, or troubleshooting tools • Nice-to-have: Experience building backend services supporting mobile or JavaScript SDKs

🏖️ Benefits

• Financially stable and profitable company • Continuous learning and growth environment