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Crosby

AI Developer Experience Engineer

Crosby
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about 1 month ago
New York, NY, USAMid Level / Senior

Base Salary

$180k - $250k/yr

Responsibilities

  • Design and implement internal tools for prompt management, evaluation, experimentation, and model iteration.
  • Create systems that enable rapid testing, debugging, and comparison of model outputs across different approaches.
  • Develop frameworks for benchmarking, regression testing, and monitoring AI system performance.
  • Build pipelines and tooling to support data collection, labeling, and feedback loops for model improvement.
  • Partner with engineering teams to ensure AI features are reliable, observable, and easy to maintain in production.
  • Identify bottlenecks in the development process and build systems that increase developer velocity and confidence.

Requirements

  • 3–7+ years of software engineering experience, ideally working on developer tools, infrastructure, or platform teams.
  • Strong proficiency in Python and experience building backend systems and internal tooling.
  • Hands-on experience working with LLMs, APIs (e.g., OpenAI, Anthropic), and modern AI workflows.
  • Experience building systems for experimentation, evaluation, or data pipelines.
  • Strong systems thinking with the ability to design tools that scale across teams.
  • Highly pragmatic with a focus on improving developer velocity and real-world outcomes.
  • Strong communicator who can work closely with engineers, researchers, and product teams.
  • Proactive, resourceful, and excited about building foundational systems in a fast-moving environment.

Tech Stack

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