Artificial Intelligence Engineer

JR United Kingdom; Newtownabbey; On-site; GBP 50,000 - 80,000; Full time

Job summary

A leading startup in Newtownabbey is seeking an experienced AI Engineer to join its founding team. The ideal candidate will work on advanced generative AI applications, focusing on fine-tuning and integrating state-of-the-art LLMs. Responsibilities include developing tailored AI solutions, optimizing model performance, and staying updated with the latest research in LLMs.

Qualifications

• 3+ years of experience in machine learning or NLP.
• Significant hands-on experience with LLMs.
• Familiarity with ML libraries.

Responsibilities

• Develop and deploy LLM-based solutions.
• Fine-tune and customize pre-trained LLMs.
• Integrate LLMs into end-user applications via APIs.

Skills

Proficiency with LLM frameworks

Python programming

Machine Learning

NLP

Prompt engineering

Model performance optimization

Education

Bachelor’s or Master’s degree in Computer Science, Machine Learning, or related field

Tools

Hugging Face Transformers

OpenAI API

LangChain

PyTorch

TensorFlow

Job description

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Artificial Intelligence Engineer, newtownabbey

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Client:

Location:

newtownabbey, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

3

Posted:

10.06.2025

Expiry Date:

25.07.2025

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Job Description:

AI Engineer - Brand New Start - Up

ViVA have partnered with an exciting startup who are oushing the boundaries of Data and AI. They are looking for an experienced AI Engineer with expertise in Large Language Models (LLMs) to join our team and work on the development of advanced generative AI applications. You will be responsible for fine-tuning, customising, and integrating state-of-the-art LLMs to drive real-world impact across our clients’ products and platforms. This role is ideal for someone who wants to be part of a founding team.

The Role:

• Develop and deploy LLM-based solutions tailored to specific business needs (e.g., chatbots, summarization, content generation, semantic search)
• Fine-tune and customize pre-trained LLMs for targeted applications
• Conduct prompt engineering, few-shot learning, and to optimise model performance
• Build pipelines for scalable model training, inference, and evaluation
• Integrate LLMs into end-user applications via APIs or custom deployments
• Analyse outputs and optimize performance for accuracy, latency, cost, and safety
• Stay on top of the latest research in LLMs, including open-source developments and benchmarks
• Work closely with product and engineering teams to bring LLM-powered features from concept to production

The Person:

• Bachelor’s or Master’s degree in Computer Science, Machine Learning, or related field
• 3+ years of experience in machine learning or NLP, with significant hands-on experience with LLMs
• Proficiency with LLM frameworks such as Hugging Face Transformers, OpenAI API, LangChain, or similar
• Experience fine-tuning large transformer models or implementing retrieval-augmented generation systems
• Strong Python programming skills and familiarity with ML libraries (e.g., PyTorch, TensorFlow)
• Knowledge of prompt engineering best practices and prompt optimization
• Understanding of LLM evaluation methods, including human-in-the-loop and automated metrics
• Familiarity with deploying LLMs in cloud or containerised environments

The salary for this opportunity is negotiable on experience. Reach out for full information - submit your CV for a confidential call, or contact [emailprotected] .

**All candidates must have the right to work in the UK - VISA sponsorship is not available**