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Information Technology 🏢 Full Time ⭐️ Verified

Senior Prompt Engineer

NexGen AI Labs
Jersey City
Estimated Salary
USD 140.000 – USD 180.000
Live Update
19 Agustus 2026
Deadline
19 Agu 2027

Job Description

We are a leading innovator in generative artificial intelligence, seeking a visionary Senior Prompt Engineer to join our Jersey City, NJ headquarters. In this pivotal role, you will bridge the gap between human intent and machine execution, crafting the language that drives our advanced LLM products. You will work directly with data scientists and product managers to refine user experiences and ensure our AI solutions are not only accurate but also contextually intelligent.

Join us in shaping the future of conversational AI and help us build tools that are safe, ethical, and incredibly powerful.

Responsibilities

  • Instructional Design: Design complex, multi-step prompts for Large Language Models (LLMs) to achieve specific business outcomes and user goals.
  • Optimization: Continuously refine and iterate on prompt architectures to minimize hallucinations and improve output coherence and relevance.
  • Testing & Validation: Develop rigorous testing frameworks and conduct A/B testing to evaluate prompt performance against key metrics.
  • Cross-Functional Collaboration: Partner with product managers and engineers to translate business requirements into precise AI instructions.
  • Documentation: Create comprehensive documentation and libraries of prompt patterns for internal reuse and knowledge sharing.
  • Ethical AI: Identify potential biases in prompt outputs and implement safeguards to ensure fair and responsible AI deployment.

Qualifications

  • Experience: 3+ years of experience in AI, NLP, or a related technical field with a focus on LLMs (e.g., GPT-4, Claude, Bard).
  • Technical Skills: Proficiency in Python and familiarity with machine learning libraries (e.g., PyTorch, TensorFlow).
  • Writing Proficiency: Exceptional command of the English language, including grammar, style, and rhetoric.
  • Problem Solving: Strong analytical skills with the ability to troubleshoot and debug complex prompt failures.
  • Education: Bachelor’s degree in Computer Science, Linguistics, English, or a related technical field.
  • Communication: Ability to explain complex technical concepts to non-technical stakeholders clearly.

Required Skills

Python GPT-4 NLP Large Language Models Prompt Engineering Machine Learning A/B Testing Data Analysis Technical Writing

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