Junior Prompt Engineer / Developer in Merthyr Tydfil

• Junior Prompt Engineer / Developer
• Chirk, Wrexham
• Full-Time, Permanent

Our client is one of the world's leading manufacturers of wood-based panels, with over 40 production sites across four continents.

Their Chirk facility in Wrexham, Wales is one of the largest and most advanced wood panel manufacturing plants in the UK.

As they continue to invest in technology and digital transformation, they are creating new roles to harness the power of artificial intelligence and drive operational excellence.

Job Description

This is an exciting entry-level opportunity for a technically minded individual to join our client’s growing digital capability.

Reporting directly to the CFO, the Junior Prompt Engineer / Developer will play a hands‑on role in designing, testing, and refining AI prompt solutions that improve business processes across finance, operations, and administration.

You will work at the intersection of language, logic, and technology, helping the organisation unlock real value from large language models (LLMs) and AI tools.

Key Responsibilities Include

Prompt Design and Development

• Design, write, and iterate on prompts for LLM‑based tools and internal AI assistants.
• Build and maintain a prompt library to standardise best practices across the business.
• Develop prompt templates for recurring business tasks such as report summarisation, data extraction, and document drafting.
• Test prompt performance systematically and document outcomes.

AI Tool Integration and Support

• Support the deployment and configuration of AI tools integrated into business workflows.
• Collaborate with finance, operations, and IT teams to identify use cases for AI automation.
• Assist in building lightweight prototypes and proofs of concept using AI APIs (e. g. Open AI, Anthropic, Azure Open AI).
• Contribute to the development of internal tools and dashboards that surface AI outputs.

Research and Continuous Improvement

• Stay current with developments in generative AI, LLMs, and prompt engineering techniques.
• Evaluate new AI tools and models for potential business application.
• Document learnings and share knowledge with the wider team.

Reporting and Communication

• Provide regular progress updates and demonstrations to the CFO and other stakeholders.
• Produce clear documentation for all prompts, workflows, and AI implementations.
• Assist in preparing briefings and reports on AI initiatives for senior leadership.

Qualifications

Essential Skills and Experience

• A degree or equivalent qualification in Computer Science, Software Engineering, Data Science, Linguistics, or a related field OR demonstrable equivalent practical experience.
• Genuine interest in and working knowledge of large language models and generative AI tools (e. g. Chat GPT, Claude, Gemini, Copilot).
• Solid written English skills – able to craft precise, structured instructions and documentation.
• Logical, analytical mindset with a methodical approach to problem‑solving.
• Basic programming or scripting experience (Python, Java Script, or similar) – sufficient to work with APIs and automate simple tasks.
• Strong attention to detail and ability to manage multiple tasks simultaneously.
• Comfortable working independently as well as collaboratively in a team environment.

Desirable Skills and Experience

• Hands‑on experience with AI / LLM APIs (Open AI, Anthropic, Google, Azure Open AI, Hugging Face, etc.).
• Familiarity with prompt engineering techniques such as chain‑of‑thought, few‑shot prompting, RAG (Retrieval‑Augmented Generation), or system prompt design.
• Experience with version control (Git) and structured documentation practices.
• Exposure to business intelligence or data tools (Power BI, Excel, SQL).
• Understanding of manufacturing, finance, or industrial business processes.
• Experience building simple web applications, internal tools, or automation workflows.
• Awareness of AI ethics, data governance, and responsible AI principles.

Personal Attributes

• Curious and self‑motivated – someone who keeps up with a fast‑moving field.
• Clear communicator, able to explain technical concepts to non‑technical stakeholders.
• Proactive in spotting opportunities for improvement and willing to suggest ideas.
• Reliable and professional, suited to a structured Monday – Friday onsite environment.
• A collaborative team player who is comfortable working cross‑functionally.

Additional Information

• A unique opportunity to shape AI adoption at a global manufacturing leader.
• Direct visibility and mentorship from the CFO and senior leadership team.
• On‑the‑job learning in a complex, fast‑paced industrial environment.
• Competitive junior salary with potential for rapid progression as the AI function grows.
• Stable, full‑time onsite role with a clear Monday – Friday schedule.
• Access to the latest AI tools and technologies.
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