Principal AI-Native Engineer

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Ionic PartnersAI / Software Engineering
Argentina / Brazil / Colombia / Mexico / Chile / Uruguay / El Salvador, AsynchronousFull-TimePrincipal
Salary not disclosed
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Job Details

Experience
8+ years of hands-on software engineering experience
Required Skills
Software EngineeringLLMCRM

Requirements

  • Bachelor's degree in CS, Engineering, or equivalent practical experience.
  • 8+ years of hands-on software engineering experience building and operating production systems.
  • 3+ years building AI-Native or agentic systems that reached production and were used for real work.
  • Demonstrated end-to-end ownership: designing, building, shipping, operating, and improving systems.
  • Experience integrating AI systems with business platforms like CRMs, ERPs, and data warehouses.
  • Experience designing and running evaluations for non-deterministic systems and building eval harnesses.
  • Experience operating LLM-based systems in production, including tracing, guardrails, and cost management.
  • Experience becoming productive quickly inside large, complex codebases and extending them safely.
  • Experience working from specifications set by domain experts outside your own area of expertise.
  • Experience with platform, infrastructure, or developer-tooling work.
  • Ability to operate from intent rather than instruction in genuine ambiguity.
  • Strong judgment in weighing speed, reliability, and maintainability.

Responsibilities

  • Partner with subject-matter experts to turn functional specs into agentic system designs.
  • Design agent architectures including boundaries, control flow, tool surfaces, and state management.
  • Build, ship, and operate production agentic systems end to end.
  • Extend and harden the in-house orchestration framework to improve future builds.
  • Improve automated development and QA agents within the engineering pipeline.
  • Create and maintain machine-readable context artifacts for products and operations.
  • Design retrieval and context-assembly strategies, treating prompting as versioned, tested engineering.
  • Integrate systems with business platforms like CRMs, ERPs, and data warehouses.
  • Build eval harnesses, baselines, and regression suites to define and measure success.
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