Skills

Python Research Training Machine Learning PyTorch TensorFlow Programming OpenAI Langchain python programming Large Language Models NLP

Job Specifications

AI Engineer

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 carol@vivatechtalent.com.

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

About the Company

ViVA Tech Talent | Founder-led. Expert-driven At ViVA Tech Talent, we do more than recruit -- we redefine what it means to connect the best minds in tech with the most innovative businesses. Born from over 20 years of elite tech recruitment expertise, ViVA was founded to challenge the status quo and deliver a modern, relationship-led experience for both clients and candidates. We specialise in tech hiring across Software Engineering, DevOps, Product, Infrastructure and Data - building high-performing teams for hyper-growth s... Know more