GenAI Prompt Engineer

GenAI Prompt Engineer

London Full-Time 42000 - 84000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Design and refine prompts to enhance AI performance in various tasks.
  • Company: Join a globally renowned brand with a focus on innovation and technology.
  • Benefits: Enjoy flexible working with 2-3 days onsite in vibrant Central London.
  • Why this job: Be at the forefront of AI advancements and make a real impact in tech.
  • Qualifications: Bachelor’s or Master’s in relevant fields with experience in AI/ML and prompt engineering.
  • Other info: Opportunity to contribute to exciting projects and grow your career in a dynamic environment.

The predicted salary is between 42000 - 84000 £ per year.

Job Description

GenAI Prompt EngineerCertain Advantage are recruiting on behalf of our globally renowned brand for a GenAI Prompt Engineer in London, initially until 31st Dec. This will need 2-3 days working onsite in Central London. The Role & Responsibilities
  • Design, test, and refine prompts to optimise the performance of LLMs across various tasks (e.g., summarisation, Q&A, content generation, reasoning).
  • Develop prompt libraries and reusable templates for internal and external use cases.
  • Collaborate with cross-functional teams to integrate prompt engineering into product workflows and AI pipelines.
  • Analyse model outputs and user feedback to iteratively improve prompt effectiveness and reliability.
  • Stay current with the latest research and advancements in prompt engineering, LLMs, and GenAI.
  • Contribute to internal documentation, best practices, and knowledge sharing initiatives.

Required Qualifications:

  • Bachelor’s or Master’s degree in Computer Science, Artificial Intelligence, Linguistics, or a related field.
  • Commercial years of experience in AI/ML, with at least 1 year focused on prompt engineering or working with LLMs.
  • Strong understanding of NLP, transformer models, and generative AI principles.
  • Hands-on experience with platforms such as OpenAI, Anthropic, Cohere, or Hugging Face.
  • Proficiency in Python and familiarity with tools like LangChain, PromptLayer, or similar.
  • Excellent analytical, problem-solving, and communication skills.

Preferred Qualifications:

  • Experience with prompt tuning, fine-tuning, or reinforcement learning from human feedback (RLHF).
  • Familiarity with multi-modal AI systems (e.g., text-to-image, speech-to-text).
  • Background in UX writing, technical writing, or computational linguistics.
  • Contributions to open-source GenAI projects or publications in AI/ML conferences.

Does this sound like your next career move? Apply today!Working with Certain AdvantageWe go the extra mile to find the best people for the job. If you’re hunting for a role where you can make an impact and grow your career, we’ll work with you to find it.We work with businesses across the UK to find the best people in Finance, Marketing, IT and Engineering.If this job isn’t for you, head to certainadvantage.co.uk and register for job alerts and career guidance tips.

GenAI Prompt Engineer employer: Certain Advantage

Certain Advantage is an exceptional employer, offering a dynamic work environment in the heart of Central London where innovation thrives. With a strong focus on employee growth and development, we provide opportunities to collaborate with cross-functional teams and engage in cutting-edge projects in AI and machine learning. Our commitment to fostering a supportive culture ensures that every team member can make a meaningful impact while enjoying the benefits of working in a globally renowned brand.
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Contact Detail:

Certain Advantage Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land GenAI Prompt Engineer

✨Tip Number 1

Familiarise yourself with the latest advancements in prompt engineering and generative AI. Follow relevant research papers, blogs, and industry leaders on platforms like LinkedIn or Twitter to stay updated and demonstrate your knowledge during interviews.

✨Tip Number 2

Build a portfolio showcasing your experience with LLMs and prompt engineering. Include examples of prompts you've designed, tested, and refined, as well as any contributions to open-source projects. This will help you stand out and provide concrete evidence of your skills.

✨Tip Number 3

Network with professionals in the AI/ML field, especially those working with LLMs. Attend meetups, webinars, or conferences to connect with potential colleagues and learn about job opportunities that may not be advertised widely.

✨Tip Number 4

Prepare for technical interviews by practising coding challenges in Python and reviewing common questions related to NLP and generative AI. Being well-prepared will boost your confidence and help you articulate your thought process effectively.

We think you need these skills to ace GenAI Prompt Engineer

Prompt Engineering
Natural Language Processing (NLP)
Large Language Models (LLMs)
Generative AI Principles
Python Programming
Experience with OpenAI, Anthropic, Cohere, or Hugging Face
Analytical Skills
Problem-Solving Skills
Communication Skills
Collaboration with Cross-Functional Teams
Prompt Tuning and Fine-Tuning
Reinforcement Learning from Human Feedback (RLHF)
Multi-Modal AI Systems
Technical Writing
Knowledge of AI/ML Research

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights relevant experience in AI/ML and prompt engineering. Emphasise any hands-on work with LLMs and tools like OpenAI or Hugging Face, as well as your educational background in Computer Science or related fields.

Craft a Compelling Cover Letter: In your cover letter, express your passion for generative AI and prompt engineering. Mention specific projects or experiences that demonstrate your skills and how they align with the responsibilities of the GenAI Prompt Engineer role.

Showcase Your Technical Skills: Include a section in your application that details your proficiency in Python and any relevant tools like LangChain or PromptLayer. If you have experience with multi-modal AI systems or contributions to open-source projects, be sure to highlight these as well.

Demonstrate Analytical Thinking: Provide examples in your application that showcase your analytical and problem-solving skills. Discuss how you've used user feedback or model outputs to improve prompt effectiveness in past projects.

How to prepare for a job interview at Certain Advantage

✨Showcase Your Technical Skills

Make sure to highlight your hands-on experience with platforms like OpenAI, Anthropic, or Hugging Face. Be prepared to discuss specific projects where you've applied your knowledge of NLP and generative AI principles.

✨Demonstrate Problem-Solving Abilities

Prepare examples that showcase your analytical and problem-solving skills. Discuss how you've tackled challenges in prompt engineering or improved model outputs based on user feedback.

✨Stay Updated on Industry Trends

Familiarise yourself with the latest research and advancements in prompt engineering and LLMs. Being able to discuss recent developments will show your passion for the field and your commitment to continuous learning.

✨Collaborate Effectively

Since the role involves working with cross-functional teams, be ready to share experiences where you've successfully collaborated with others. Highlight your communication skills and how you integrate feedback into your work.

GenAI Prompt Engineer
Certain Advantage
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  • GenAI Prompt Engineer

    London
    Full-Time
    42000 - 84000 £ / year (est.)

    Application deadline: 2027-08-27

  • C

    Certain Advantage

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