Telnyx - Solutions Engineer, LATAM (Remote)
Requirements
• CS degree or equivalent experience • 3+ years building software or doing technical consulting • Proficiency in multiple languages such as Python, Node.js, and Go — you're more dangerous in some than others • Hands-on experience running LiteLLM or a comparable LLM gateway such as Portkey, Kong AI Gateway, or an in-house proxy in production, including model definitions, proxy configuration, routing and fallback rules, and virtual key management • Practical understanding of production model-gateway challenges: provider rate limits and quotas, timeouts and retries, streaming, token accounting and cost attribution, and concurrency-related failure modes • Comfort deploying containerized services on Kubernetes, with secrets management, configuration, observability, and upgrades as part of the deployment story • Strong API fluency, event-driven thinking, and cloud-native instincts • Exposure to SIP, WebRTC, VoIP, or real-time voice and messaging systems • Ability to translate “it's not working” into root cause • Comfort working directly with customers and participating in high-stakes technical conversations • Professional fluency in Spanish or Portuguese • Professional working proficiency in English for internal collaboration, documentation, and work with Product and Engineering • Based in or near Bogotá, Mexico City, or São Paulo, with authorization to work in the applicable country • Willingness to travel approximately 10–30% across Latin America • Professional proficiency in both Spanish and Portuguese • Experience with AI voice assistants, STT/TTS, or LLM-based conversational systems, particularly for Latin American Spanish or Brazilian Portuguese • Fine-tuning and post-training experience: LoRA/QLoRA, distillation, preference tuning, or building evaluation sets for a specific domain • Experience with an inference-serving engine behind the gateway such as vLLM, SGLang, TGI, or Ollama, including sizing GPU capacity for self-hosted models • SQL proficiency with PostgreSQL, MySQL, or Oracle • ETL and data-wrangling experience • DevOps fundamentals including Docker, Kubernetes, and CI/CD • Background in telecom, CPaaS, contact centers, or high-growth SaaS • Experience designing private-cloud, sovereign-cloud, on-premises, or data-residency-sensitive architectures • Security mindset, including IAM, encryption, secrets management, and audit logging • #LI-RH1
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), and WebRTC • Deploy and operate open-weight LLMs such as Llama, Qwen, Mistral, DeepSeek, and gpt-oss in customer-controlled cloud, on-premises, and air-gapped environments • Deploy and operate LiteLLM as the model gateway in customer environments, providing a unified OpenAI-compatible interface across self-hosted models and hosted providers, with routing, load balancing, retries and fallbacks, rate limits, and per-team virtual keys • Instrument and govern LLM usage through cost tracking and budgets, caching, logging and observability using OpenTelemetry, Langfuse, or similar tools, and guardrails • Design model-routing strategies for real-time voice workloads, balancing latency, cost, reliability, and Spanish- or Portuguese-language quality • Make the build-vs-buy case between self-hosted open-weight models and hosted frontier APIs, while keeping customer application code portable across both • Adapt models to customer domains through prompt and RAG pipelines, LoRA/QLoRA fine-tuning, and evaluation harnesses for Spanish, Portuguese, and multilingual use cases • Lead POCs, pilots, and production launches from whiteboard to go-live • Own customer outcomes and remain engaged until the solution is live and stable • Collaborate directly with Product and Engineering to shape the roadmap based on field insights from the Latin American market • Create clear technical documentation, runbooks, and maintainable solutions for handoff in English and, where needed, Spanish or Portuguese • Troubleshoot and resolve complex integration issues alongside customer teams • Help customers address applicable privacy, security, telecommunications, and data-residency requirements; including Brazil's LGPD
Benefits
• Telnyx sits at the intersection of telecom infrastructure, APIs, wireless connectivity, and AI. As a Solutions Engineer, you will help customers across LATAM build better communications experiences while working with a technical product portfolio that spans real-time voice, messaging, wireless, networking, and AI-powered automation. • This is a high-impact role for someone who wants to work closely with customers, influence technical sales strategy, and help grow Telnyx's presence across Latin America.
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