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Information Technology 🏢 Full Time ⭐️ Verified

Senior Prompt Engineer (Direct Hire)

Apex AI Systems
Portland
Estimated Salary
USD 120.000 – USD 160.000
Live Update
26 Juli 2026
Deadline
26 Jul 2027

Job Description

The Role:

Apex AI Systems is seeking a visionary Prompt Engineer to join our growing team in Portland, Oregon. In this direct hire position, you will be at the forefront of integrating Large Language Models (LLMs) into our enterprise solutions. You will bridge the gap between technical AI capabilities and user experience, crafting the precise instructions that drive the intelligence of our products.

We are looking for someone who doesn't just write text but understands the underlying architecture of generative AI. If you are passionate about the future of AI and want to shape how machines communicate with humans, this is your opportunity.

Why Join Us?

  • Competitive salary and equity package.
  • Work with state-of-the-art models including GPT-4, Claude, and proprietary LLMs.
  • Flexible hybrid work environment in the heart of downtown Portland.
  • Continuous learning opportunities in a rapidly evolving field.

Responsibilities

  • Develop, test, and optimize high-precision prompts for LLMs to ensure accurate, safe, and contextually relevant outputs.
  • Design prompt architectures that improve response quality and reduce hallucination rates in enterprise applications.
  • Collaborate closely with data scientists and software engineers to fine-tune models based on user feedback loops.
  • Conduct rigorous A/B testing of prompt variations to maximize engagement and conversion metrics.
  • Create comprehensive documentation and knowledge bases for prompt engineering best practices within the organization.
  • Analyze user interactions to identify trends and refine AI behavior over time.

Qualifications

  • 3+ years of professional experience in Prompt Engineering, AI content strategy, or a related technical field.
  • Deep understanding of Natural Language Processing (NLP) principles and Large Language Model capabilities.
  • Strong proficiency in Python and SQL, with the ability to manipulate data for model training and evaluation.
  • Exceptional writing skills with a keen eye for detail, tone, and style.
  • Experience with prompt engineering frameworks and tools (e.g., LangChain, Hugging Face).
  • Bachelor's degree in Computer Science, Linguistics, English, or a related technical discipline.

Required Skills

Prompt Engineering LLM GPT-4 OpenAI Claude Python SQL NLP Artificial Intelligence Machine Learning Data Analysis

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