AI Prompt Engineer by PWD Media UK

AI Prompt Engineer

An AI Prompt Engineering Guide

An artificial intelligence (AI) prompt engineer specializes in crafting text-based prompts or cues designed to be interpreted and understood by large language models and generative AI tools. Unlike traditional computer engineers who write code, prompt engineers utilize written language to assess and optimize AI systems for nuanced behaviours.

These professionals train and fine-tune advanced AI tools, such as OpenAI’s ChatGPT, Google’s Bard, DALL-E, Midjourney, and Stable Diffusion, ensuring they provide accurate and relevant responses to user queries.

The questions posed by users to AI models are known as prompts.

What Does an AI Prompt Engineer Do?

AI prompt engineers act as intermediaries between machine learning (ML) models and the users who interact with them. Their primary role is to develop adequate inputs and train the models to generate accurate and desired outputs. This involves crafting text-based prompts and integrating them into the backend of AI tools, enabling these systems to write essays, develop blog posts, or create sales emails with the appropriate tone and content.

Since AI systems lack intuition, they rely heavily on human input to interpret human language and questions accurately. AI prompt engineers ensure that these inputs are clear and precise, allowing the AI to produce practical and relevant responses.

The Main Elements of AI Prompts

Well-crafted prompts are essential for enabling AI models to understand the user’s intention and context, leading to responses that are both accurate and relevant.

An AI prompt typically consists of four main elements:

  1. Instruction: This element provides clear directives on how the AI model should respond to the query.

    Example: “Provide me with some easy low-carb recipes that take less than 15 minutes to prep, and also make a list of ingredients needed.”

    This instruction specifies the type of recipes needed, the preparation time, and the ingredients required.

  2. Context: Context offers the AI model the necessary background information, ensuring the generated content is relevant and specific.

    Example: “What are some green technologies used in transportation?”

    The context “used in transportation” directs the model to focus on green technologies related to vehicles, ensuring more precise answers.

  3. Input Data: This involves supplying specific data and instructions to guide the AI’s response.

    Example: “Create a short biography of Albert Einstein (14 March 1879-18 April 1955), a famous physicist and scientist who created the theory of relativity, which establishes that nothing can travel faster than the speed of light. He won the Nobel Prize in physics in 1921 for discovering the photoelectric effect.”

    This input provides the AI with crucial information about Einstein, guiding it in generating a relevant biography.

  4. Examples: Providing examples helps the AI model understand the desired output style or content type.

    Example: “Create a music playlist based on the following songs: ‘Bohemian Rhapsody’ by Queen, ‘Hotel California’ by Eagles, and ‘Hey Jude’ by The Beatles. The playlist should have a classic rock vibe and include similar iconic songs that evoke a sense of nostalgia and timeless appeal. Please provide at least ten songs for the playlist.”

These examples direct the AI to curate a playlist that matches the classic rock feel and includes songs similar to those provided.

Skills and Requirements for AI Prompt Engineers

An AI prompt engineer needs a blend of technical, linguistic, and analytical skills to effectively develop and refine prompts for AI learning models.

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Key competencies for becoming an AI prompt engineer include:

  • Knowledge of AI, ML, and NLP: An AI prompt engineer must understand machine learning concepts, algorithms, and model structures. Mastery of natural language processing (NLP) principles, including syntax, semantics, and language structure, is essential for creating effective prompts.

  • Programming Skills: Proficiency in Python, the primary programming language for NLP and AI tasks, is crucial. Knowledge of other programming languages also benefits script development, model integration, and data manipulation.

  • Communication Skills: Strong written and verbal communication skills are necessary for collaborating with teams, explaining requirements, and understanding project goals. AI prompt engineers must effectively communicate with both AI systems and human stakeholders.

  • Educational Background: While a degree in AI, computer science, data science, or related fields is advantageous, it is not always mandatory. Individuals with diverse backgrounds in communications, cognitive psychology, or other disciplines can also succeed in this role. Continuous learning through online tutorials, self-study resources, and familiarity with NLP frameworks and libraries (such as Natural Language Toolkit, SpaCy, and transformers) is beneficial.

  • Experience with Pre-trained AI Models: Aspiring prompt engineers should gain hands-on experience by experimenting with pre-trained AI models like GPT-3 or GPT-4. Conducting experiments with various prompts helps understand these models’ text generation capabilities and limitations, thereby improving prompt design through practical practice.

AI Prompt Engineering Salary Range

Recognized by the World Economic Forum as one of the top jobs of the future, a career in AI prompt engineering can be highly rewarding.

Salary Range: The salary for AI prompt engineers can vary widely. Reports indicate that salaries typically range from £140,000 to over £240,000 annually. These figures are drawn from specific job listings and may not fully capture the entire spectrum of salaries within the field.

Factors Influencing Salary: Salaries can be influenced by several factors, including:

  • Geographical Location: Salaries may be higher in regions with a strong tech industry presence.
  • Experience Level: More experienced engineers generally command higher salaries.
  • Industry and Organization: Different industries and organizations may offer varying compensation packages.

Differentiating Prompt Engineering and Fine-Tuning:
Prompt engineering involves crafting inputs to maximize AI output, while fine-tuning refers to adjusting the model itself for better performance. Each method has unique training requirements:

  • Prompt Engineering: Focuses on creating effective text-based prompts to guide the AI.
  • Fine-Tuning: Involves modifying the model’s parameters and training it on specific datasets to improve accuracy and relevance.


As AI continues to evolve and integrate into various industries, the role of an AI prompt engineer becomes increasingly vital. These professionals bridge the gap between human users and AI systems, ensuring that the interactions are effective, accurate, and relevant. With a unique blend of technical and linguistic skills, AI prompt engineers are positioned at the forefront of AI innovation, making significant contributions to developing and optimising advanced AI tools.

The field offers promising career prospects, competitive salaries and continuous learning and growth opportunities. Whether through prompt engineering or fine-tuning, these experts are essential in harnessing the full potential of AI technology.

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