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Forward Deployed Engineer, CEE

Telnyx· Sales
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Hybrid (Warsaw, Poland)Posted 1mo ago

About the role

Enterprise-focused technical role embedded with a dedicated Enterprise AE to architect and deploy production solutions on Telnyx’s global network for enterprise customers in Poland and the Czech Republic. Focused on real workloads, POCs, production go-lives, and long-term customer outcomes across voice, messaging, AI, and wireless.

Responsibilities

  • Embed with enterprise customers to understand their communications workflows, AI use cases, and integration challenges firsthand
  • Build and deploy custom implementations: AI Voice Assistants, Telnyx APIs (Voice, Messaging, Fax, Wireless), WebRTC
  • Run open-weight LLMs in customer environments and deploy self-hosted stacks when required
  • Deploy and operate LiteLLM as the model gateway in customer environments
  • Instrument and govern LLM usage through the gateway with cost tracking, caching, logging and observability
  • Wire production observability for everything shipped (metrics, logs, traces, dashboards, alerting)
  • Design model routing strategies for real-time voice workloads with latency/cost/quality balance
  • Make build-vs-buy decisions between self-hosted models and hosted APIs; keep code portable
  • Adapt models to customer domains (Polish/Czech) and regulatory environments (GDPR, EU AI Act, local data protection)
  • Lead POCs, pilots, and production launches from whiteboard to go-live
  • Own customer outcomes and stay engaged until live and stable
  • Collaborate with Product and Engineering to shape roadmap from field insights
  • Create technical documentation, runbooks, and handoff materials
  • Troubleshoot and resolve complex integration issues with customer teams

Qualifications

  • CS degree or equivalent experience
  • 3+ years building and shipping production software with on-call experience
  • Proficiency in Python, Node.js/TypeScript, Go (Telnyx Edge Compute uses TypeScript)
  • Understanding of production model challenges: rate limits, timeouts, retries, streaming, cost attribution, concurrency failure modes
  • Experience deploying containerized services on Kubernetes with secrets/config/upgrades
  • Observability experience: Prometheus+Grafana, OpenTelemetry, Graylog/ELK or equivalents
  • High-concurrency experience with Kafka or similar, understanding of backpressure, lag, partitioning
  • API development from scratch (OpenAPI, REST/GraphQL, auth, rate limiting, versioning, idempotency)
  • Event-driven/cloud-native mindset
  • Exposure to SIP, WebRTC, or real-time voice/messaging systems
  • Self-sufficient, autonomous working style with strong engineering judgment
  • Customer-facing engineering experience and ability to communicate with customers and executives
  • Ability to translate issues into root cause and drive resolution
  • Comfortable on customer sites and in high-stakes technical conversations
  • Excellent English and Polish written/spoken communication
  • Based in Warsaw or willing to relocate (hybrid role with travel across Poland and Czech Republic)
  • Legally authorized to work in Poland, or eligible for sponsorship

Skills

Required:LanguagesContainer orchestrationObservabilityAPI designEvent-driven architectureReal-time communicationsCustomer-facing engineering
Last updated Sep 17, 2026. Interested? Apply on the company site.
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About Telnyx

Telnyx owns the full stack from carrier network to AI inference, so there's nothing between your agent and the person on the other end. No handoffs. No lag. Just voice, messaging, and AI that keeps up.

Carrier-owned global communications platform for voice AI agents, SIP trunking, programmable voice, SMS/MMS, and AI inference. Single vendor for the full voice-AI stack on a Tier-1 network across 40+ countries.

Cloud communicationsGlobal eSIMMessagingPhone number APIPrivate networkProgrammable SMSSIP trunkingVoIP
Company profileWebsite

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