Description
Job Overview
We're building a local Enterprise Sales Pod in Seoul, consisting of one Account Executive (AE) and one Forward Deployed Engineer (FDE). You'll work closely with enterprise customers to architect and deploy production systems on Telnyx's global network, focusing on voice, messaging, AI, and wireless solutions.
Responsibilities
- Embed with enterprise customers to understand their communications workflows, AI use cases, and integration challenges firsthand.
- Build and deploy custom implementations using Telnyx APIs (Voice, Messaging, Fax, Wireless) and WebRTC.
- Run open-weight Large Language Models (LLMs) in customer environments, including GLM, Kimi, DeepSeek, Qwen, and MiniMax through Telnyx Inference.
- Deploy and operate LiteLLM as the model gateway in customer environments.
- Instrument and govern LLM usage through the gateway, including cost tracking, caching, logging, and observability.
- Wire production observability for shipped solutions, including metrics, logs, traces, dashboards, and alerting.
- Design model routing strategies for real-time voice workloads, balancing latency, cost, and quality.
- Lead Proof of Concepts (POCs), pilots, and production launches from conception to go-live.
- Collaborate with Product and Engineering to shape the roadmap based on field insights from South Korea and Southeast Asia.
- Create clear technical documentation and maintainable solutions for handoff.
- Troubleshoot and resolve complex integration issues alongside customer teams.
Requirements
- CS degree or equivalent experience.
- 3+ years of experience building and shipping production software.
- Proficiency in multiple languages: Python, Node.js/TypeScript, Go.
- Practical understanding of production challenges with models, including provider rate limits and quotas.
- Comfortable deploying containerized services on Kubernetes.
- Experience with observability tools like Prometheus, Grafana, and OpenTelemetry.
- High-concurrency experience with Kafka, message queues, or event streams.
- Experience building APIs from scratch.
- Event-driven thinking and cloud-native instincts.
- Exposure to SIP, WebRTC, or real-time voice/messaging systems.
- Self-sufficient with excellent written and verbal communication in English and Korean.
- Based in Seoul, or willing to relocate.
- Legally authorized to work in South Korea, or eligible for sponsorship.
Nice to Have
- Experience with AI voice assistants, STT/TTS, or LLM-based conversational systems.
- Familiarity with the open-weight model landscape and Korean-language models.
- Experience with an inference serving engine and sizing GPU capacity for self-hosted models.
- SQL proficiency and ETL/data wrangling experience.
- CI/CD pipeline design and automation.
- Background in telecom, CPaaS, or high-growth SaaS.
- Experience with sovereign or on-prem cloud deployments and Korean/APAC regulatory frameworks.