AI Engineer - Contract

Stealth IT Consulting; United Kingdom; Remote; GBP 50,000 - 70,000; Full time

Job summary

A top tier consultancy in the United Kingdom seeks experienced AI Engineers for a 6-month contract. You will design AI workflows, fine-tune models, and integrate services with third-party APIs. Ideal candidates have strong Python skills, experience in production environments, and familiarity with Generative AI frameworks. Join a multi-disciplinary team to make a meaningful impact in public service.

Qualifications

• Proven experience building and deploying machine learning models in a production environment.
• Strong programming skills and deep expertise in Python.
• Hands-on experience with agentic or RAG frameworks.
• Familiarity with tools for Large Language Models.
• Practical experience using managed AI services from major cloud providers.
• Experience with a major conversational AI platform.
• Understanding of core Python ML libraries.

Responsibilities

• Design and build AI workflows using frameworks like LangChain or LlamaIndex.
• Fine-tune LLM models for accuracy and cost optimization.
• Develop core application logic in Python 3.
• Integrate services from third-party APIs and foundation models.
• Build secure RESTful APIs using Python frameworks.
• Work with vector databases and retrieval mechanisms.

Skills

Machine learning

Python programming

Generative AI

API integration

Team collaboration

Tools

LangChain

LlamaIndex

HuggingFace transformers

Keras

TensorFlow

PyTorch

Job description

Our client are a top tier consultancy looking for x11 AI Engineers on a 6 months contract.

Responsibilities

• Design and build sophisticated, agentic AI workflows using frameworks like LangChain or LlamaIndex to handle complex, multi-step user queries.
• Fine-tune LLM models to improve accuracy, reduce latency, and optimize infrastructure costs.
• Build LLM model evals for more stable, reliable application that is resilient to code and model changes.
• Develop, review, and maintain the core application logic in Python 3 and Git, ensuring the service is robust, scalable, and maintainable.
• Integrate a wide range of services, including third-party APIs and foundation models from hyperscalers like Google (Vertex AI), Amazon (Bedrock), and Microsoft (Azure AI).
• Build secure and performant RESTful APIs using Python frameworks like FastAPI or Django REST Framework to connect the AI service with Back End government systems.
• Work with vector databases and retrieval mechanisms to provide the AI agent with accurate, up-to-date information.
• Collaborate in a multi-disciplinary team to continuously improve the agent's performance, reasoning capabilities, and reliability.

Who you are

We're looking for people with a passion for public service and Generative AI skills to make a difference. You will have:

• Proven experience building and deploying machine learning models in a production environment.
• Strong programming skills and deep expertise in Python.
• Hands-on experience building with agentic or RAG (Retrieval-Augmented Generation) frameworks like LangChain or LlamaIndex.
• Familiarity with tools for working with Large Language Models via API or in a local context (eg HuggingFace transformers).
• Practical experience using managed AI services and foundation models from a major cloud provider (eg, Amazon Bedrock, Google Vertex AI, Azure AI Services).
• Experience with a major conversational AI platform (Google Dialogflow, Amazon Lex, Rasa, or similar).
• A solid understanding of core Python ML libraries (Keras, scikit-learn, Pandas) and deep learning frameworks (TensorFlow, PyTorch).
• Ability to explain complex technical concepts to both technical and non-technical audiences.
• A humble attitude and eagerness to help and mentor others with empathy.
• Ability to navigate ambiguity and prioritise effectively in dynamic environments.
• Collaborating with design and user research disciplines to deliver valuable product outcomes