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Prompt Engineer | Immediate Hire | San Jose, CA

Apex Cognitive Systems
San Jose
Estimated Salary
USD 140.000 – USD 180.000
Live Update
25 Juli 2026
Deadline
25 Jul 2027

Job Description

We are hiring immediately for a visionary Prompt Engineer to join our elite team in San Jose, CA. In this pivotal role, you will define the future of human-AI interaction by crafting the precise instructions that drive Large Language Models (LLMs) to peak performance. If you are passionate about AI and ready to make an impact from day one, this is your opportunity.

Why Join Us?

  • Immediate Start: Onboard and begin working within days.
  • Competitive Pay: Top-tier compensation for top-tier talent.
  • Remote/Hybrid Flexibility: Based in San Jose with flexible work options.

Apply today to secure your position at the forefront of Artificial Intelligence.

Responsibilities

  • Design and refine complex prompts for LLMs (e.g., GPT-4, Claude, Llama) to maximize accuracy, coherence, and safety.
  • Analyze AI model outputs to identify limitations and iterate on prompt structures for continuous improvement.
  • Collaborate with data scientists and product managers to translate business requirements into effective AI workflows.
  • Build and maintain a proprietary library of high-performance prompt templates for diverse use cases.
  • Conduct rigorous A/B testing on prompt variations to establish best practices and optimize response quality.
  • Document prompt engineering methodologies and train junior team members on effective techniques.

Qualifications

  • 3+ years of experience in AI, NLP, or a related technical field with a focus on Generative AI.
  • Deep understanding of Large Language Models, transformers, and fine-tuning principles.
  • Proficiency in Python and experience integrating APIs (OpenAI, Anthropic, Hugging Face).
  • Exceptional writing and editing skills with a keen eye for detail and nuance.
  • Strong analytical mindset with the ability to debug and troubleshoot AI reasoning errors.

Required Skills

Prompt Engineering LLMs GPT-4 OpenAI API NLP Python Natural Language Processing AI Model Training Fine-Tuning A/B Testing

Ready to Take This Challenge?

Make sure your resume is ready. Submit your application now before the deadline.

Apply Now

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