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Information Technology 🏢 Full Time ⭐️ Verified

Senior Prompt Engineer - Irvine, CA

Nexus AI Labs
Irvine
Estimated Salary
USD 150.000 – USD 200.000
Live Update
22 September 2026
Deadline
22 Sep 2027

Job Description

Are you ready to shape the future of Human-AI interaction?

Nexus AI Labs is seeking a visionary Senior Prompt Engineer to join our elite engineering team in Irvine, California. In this high-impact role, you will be at the forefront of Generative AI, designing and refining prompts that push the boundaries of Large Language Models (LLMs). If you are passionate about the intersection of cognitive science and technology, this is your chance to build the next generation of AI solutions.


Why Join Us?

  • Competitive compensation package ($150k - $200k base).
  • Work with state-of-the-art LLMs and cutting-edge research.
  • Flexible remote/hybrid work environment in the heart of Irvine.
  • Comprehensive health benefits and stock options.

Responsibilities

  • Design, test, and optimize complex prompts for LLMs (GPT-4, Claude, etc.) to maximize output accuracy and relevance.
  • Develop and implement rigorous evaluation frameworks to assess model performance and user satisfaction.
  • Collaborate closely with Data Scientists and ML Engineers to fine-tune models based on prompt engineering insights.
  • Conduct A/B testing on different prompt strategies to drive engagement and conversion.
  • Document prompt patterns and best practices to establish a scalable prompt engineering library.
  • Analyze user feedback loops to iteratively improve AI interactions and user experience.

Qualifications

  • 3+ years of experience in Prompt Engineering, Natural Language Processing (NLP), or AI-related fields.
  • Deep understanding of LLM architectures, such as Transformer models, and prompt engineering techniques (Chain-of-Thought, ReAct, etc.).
  • Excellent technical writing and communication skills, with the ability to translate complex technical concepts for diverse audiences.
  • Proficiency in Python and familiarity with libraries like OpenAI API, LangChain, or Hugging Face.
  • Strong analytical mindset and problem-solving abilities.
  • Bachelor’s degree in Computer Science, Linguistics, or a related field (Master’s preferred).

Required Skills

Prompt Engineering Large Language Models (LLMs) NLP Python GPT-4 OpenAI API Cognitive Science A/B Testing Technical Writing

Ready to Take This Challenge?

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