Junior Prompt Engineer / Developer

Salary: £24,500 - 52,500 per year

Requirements:

• 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.
• Strong written English skills, with the ability to craft precise, structured instructions and documentation.
• Logical, analytical mindset with a methodical approach to problem-solving.
• Basic programming or scripting experience in Python, JavaScript, or a similar language, sufficient to work with APIs and automate simple tasks.
• Strong attention to detail and the ability to manage multiple tasks simultaneously.
• Comfortable working independently as well as collaboratively in a team environment.
• Hands-on experience with AI/LLM APIs is desirable.
• Familiarity with prompt engineering techniques such as chain-of-thought, few-shot prompting, RAG, or system prompt design is desirable.
• Experience with version control and structured documentation practices is desirable.
• Exposure to business intelligence or data tools is desirable.
• Understanding of manufacturing, finance, or industrial business processes is desirable.
• Experience building simple web applications, internal tools, or automation workflows is desirable.
• Awareness of AI ethics, data governance, and responsible AI principles is desirable.
• Curious and self-motivated, with a proactive approach to learning in a fast-moving field.
• Clear communicator, able to explain technical concepts to non-technical stakeholders.
• Reliable and professional, suited to a structured Monday to Friday onsite environment.
• A collaborative team player comfortable working cross-functionally.

Responsibilities:

• 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.
• 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.
• Contribute to the development of internal tools and dashboards that surface AI outputs.
• 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.
• 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.

Technologies:

• AI
• Business Intelligence
• Support
• JavaScript
• LLM
• Python
• Web
• Azure
• ChatGPT
• Cloud
• Copilot
• Excel
• Git
• Power BI
• SQL

More:

We are Kronospan, one of the worlds leading manufacturers of wood-based panels, with more than 40 production sites across four continents. Our Chirk facility in Wrexham, Wales is one of the largest and most advanced wood panel manufacturing plants in the UK. As we continue to invest in technology and digital transformation, we are creating new roles to harness the power of artificial intelligence and drive operational excellence. This is a full-time, permanent, entry-level onsite opportunity with a clear Monday to Friday schedule, competitive junior salary, access to the latest AI tools and technologies, and strong potential for rapid progression. You will report directly to our CFO, gain direct visibility and mentorship from senior leadership, and help shape AI adoption in a complex, fast-paced industrial environment.

last updated 32 week of 2026