Infinity

Senior AI Platform Engineer - Supernal

Infinity
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3 months ago
Remote, WorldwideSenior

Responsibilities

  • Build production backend services, data models, CRUD applications, and other software foundations using code and Supernal’s proprietary platform.
  • Build and maintain integrations with APIs, webhooks, third-party tools, and data sources.
  • Design, implement, and deploy conversational agents with multi-turn flows, state management, and tool usage.
  • Own technical delivery for customer implementations from architecture through production launch.
  • Translate customer requirements and SOWs into technical designs, execution plans, and deliverables.
  • Make architectural decisions across application design, API integrations, LLM orchestration, RAG design, and workflow decomposition.
  • Address voice-system latency, interruptions, fallbacks, error handling, and failure recovery.
  • Write automated unit and end-to-end tests and debug complex production issues.
  • Partner with delivery and product leadership on timelines, scope, and technical tradeoffs.
  • Review technical work and define, document, and evolve reliable AI Employee engineering practices.

Requirements

  • 4+ years of experience as a software engineer, automation engineer, or systems builder shipping production systems.
  • Experience with multi-turn conversation design, state management, context windows, interruption handling, and graceful recovery.
  • Hands-on experience deploying voice agents using platforms such as ElevenLabs, Retell, or Nextiva, including telephony and streaming audio integrations.
  • Experience with automated unit, integration, and end-to-end testing.
  • Strong engineering fundamentals in error handling, retry strategies, separation of concerns, and clean interfaces.
  • Experience owning end-to-end delivery outcomes, including timelines, reliability, and client success.
  • Deep experience with agentic architectures, APIs, and production integrations.
  • Understanding of LLM orchestration, prompt engineering, function calling, and retrieval-augmented generation.
  • Ability to deliver production-quality systems with testing, error handling, monitoring, and runbooks.
  • Strong debugging, written, and verbal English communication skills.
  • Ability to provide a reliable computer and high-speed internet and work in Americas time zones.

Benefits

  • Remote globally.
  • Contractor or EOR FTE arrangement.
  • Work in Americas time zones.
  • Must provide a reliable computer and high-speed internet.