Forward Deployed Engineer, France

Paris, France. Posted a month ago

The role

You will embed with enterprise customers to architect and ship production systems on Telnyx's global network. You will own technical discovery, design architecture, build POCs, and manage production go-lives for voice, messaging, AI, and wireless solutions.

What you will do

Embed with enterprise customers to understand communications workflows and AI use cases
Build and deploy custom implementations including AI Voice Assistants and Telnyx APIs
Run open-weight LLMs in customer environments or deploy self-hosted stacks
Deploy and operate LiteLLM as the model gateway in customer environments
Instrument and govern LLM usage through the gateway
Wire production observability for shipped solutions
Design model routing strategies for real-time voice workloads
Make the build-vs-buy case between self-hosted models and hosted APIs
Adapt models to customer domains using prompt and RAG pipelines
Lead POCs, pilots, and production launches

Required qualifications

CS degree or equivalent experience
3+ years building and shipping production software
Proficiency in Python, Node.js/TypeScript, or Go
Practical understanding of production model failures like rate limits and timeouts
Comfortable deploying containerized services on Kubernetes
Experience with observability tools like Prometheus, Grafana, OpenTelemetry, Graylog, or ELK
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 by default
Customer-facing engineering experience

Nice to have

Experience with AI voice assistants, STT/TTS, or LLM-based conversational systems
Building eval sets for a specific domain
Hands-on production experience with an LLM gateway
Familiarity with the open-weight model landscape and EU sovereign AI initiatives
Experience with an inference serving engine and sizing GPU capacity
SQL proficiency (Postgres, MySQL, Oracle)
ETL and 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 EU regulatory frameworks

About the company

Telnyx is an industry leader building the future of global connectivity through a private, global, multi-cloud IP network and intuitive APIs. The company is financially stable and profitable, focusing on transforming antiquated systems through innovative connectivity solutions.