AI Engineer - Outside IR35

Project Freelance; City of Westminster; Hybrid; GBP 114,000 - 182,000; Full time

Job summary

LA International seeks an AI Engineer to help develop Generative AI applications, LLM-powered solutions and AI agents. You will bring strong Python/SQL skills, knowledge of LLMs, RAG, embeddings and vector databases, and hands-on experience with AI frameworks such as LangChain, LangGraph or OpenAI Agents SDK.

The role is a 3-month contract on a hybrid model with two days per week in the London office, outside IR35. Prior data analytics exposure is advantageous.

Qualifications

• Working knowledge of Python and frontend chatbot integration.
• Basic understanding of Generative AI, LLMs and prompt engineering.
• Practical experience with at least one AI framework, such as LangChain, LangGraph or OpenAI Agents SDK, including personal or training projects.
• Understanding of RAG, embeddings, semantic search and vector databases.
• Good knowledge of SQL, data processing and data validation.
• Familiarity with Git, debugging and basic software development practices

Responsibilities

• Develop and implement Generative AI applications and LLM-powered solutions.
• Work with AI agents and agentic frameworks to build practical use cases.
• Collaborate with data analytics teams to leverage data pipelines and quality controls.

Skills

Python

SQL

Frontend chatbot integration

Generative AI

LLMs

Prompt engineering

RAG

Embeddings

Semantic search

Vector databases

Git

Debugging

Software development practices

LangChain

LangGraph

OpenAI Agents SDK

Tools

LangChain

LangGraph

OpenAI Agents SDK

Job description

AI Engineer

We are looking for a motivated AI Engineer to help develop and implement Generative AI applications, LLM-powered solutions and AI agents.

The ideal candidate has good Python and SQL skills, understands the fundamentals of LLMs and RAG, and has practical exposure to agentic AI frameworks. Previous experience in data analytics or data engineering is an advantage.

Requirements

• Working knowledge of Python and frontend chatbot integration.
• Basic understanding of Generative AI, LLMs and prompt engineering.
• Practical experience with at least one AI framework, such as LangChain, LangGraph or OpenAI Agents SDK, including personal or training projects.
• Understanding of RAG, embeddings, semantic search and vector databases.
• Good knowledge of SQL, data processing and data validation.
• Familiarity with Git, debugging and basic software development practices

This will be on a 3 month contract initially and is on a hybrid working model with two days in the office in London every week. It is an outside IR35 contract.

Company Information

LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance.

A multiple award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over consecutive years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience.