✦ Luna Orbit — AI & Machine Learning

Applied AI Engineer (Startups)

at Anthropic

📍 San Francisco, CA | New York City, NY Hybrid Posted March 07, 2026
Type Not Specified
Experience mid
Exp. Years 4+ years
Education Not specified
Category AI & Machine Learning

This role involves working as an Applied AI Engineer supporting startups to build on the Claude platform, focusing on AI application development, architecture, and evaluation.

  • Serve as a technical advisor to startups
  • Develop prototypes and documentation
  • Design evaluation frameworks
  • Collaborate with AI architects
  • Create technical content

The technical environment includes large language models, AI frameworks, and cloud-based evaluation tools, with a focus on prompt engineering, scalable architecture, and technical documentation.

The ideal candidate is a mid-level AI engineer with at least 4 years of experience in building large language model applications, proficient in Python, with strong skills in prompt engineering, architecture design, and technical documentation. They should have experience working closely with startups and AI platforms.

Pythonbuilding production applicationsprompt engineeringarchitecture reviewspair programming
LLM-powered applicationsevaluation suitesscalable architecturestechnical documentationcommunity engagement
Claude Developer PlatformAI frameworksevaluation suites
PythonLarge Language Modelsprompt engineeringarchitecture reviewspair programmingevaluation frameworksAI systemsAI engineeringscalable architecturestechnical documentation
PythonPython programmingLLMLarge Language Modelsprompt engineeringagent architecturesevaluation frameworkssoftware engineeringarchitecture reviewspair programming
technical communicationcollaborationproblem-solvingadaptabilityclient engagement
Industry SaaS
Job Function AI engineering and technical advisory for startups building on Claude
Applied AI EngineerAI systemsLarge Language Modelsprompt engineeringarchitecture reviewspair programmingevaluation frameworksClaude Developer PlatformAI engineeringscalable architecturestechnical documentationcommunity engagementstartupsAI-native startupsdeep technical engagementsPython

Less than 4 years of experience, Lack of Python proficiency, No experience with LLMs or AI platforms, Inability to work with startups

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