Senior AI Engineer: Python, LLMs & Automation

SII Group UK; Cambridge; On-site; GBP 90,000 - 120,000; Full time

Job summary

SII UK is seeking a Senior AI Software Engineer to join our growing engineering team in the UK. You will design and implement intelligent validation frameworks powered by Large Language Models, leveraging Python and cloud platforms to automate testing, data management, and QA processes.

You will build agent-based automation workflows, integrate foundation models via cloud services, and craft robust APIs and microservices while adhering to best software engineering practices.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a related technical discipline.
• Commercial experience in software development using Python.
• Hands-on experience developing production-quality software solutions.
• Exposure to Generative AI, Machine Learning, LLMs, or AI-powered applications.
• Experience working with cloud platforms and modern software engineering practices.
• Experience developing APIs, web services, or microservice-based applications.
• Familiarity with AI model integration, evaluation, and automation workflows would be highly desirable.
• Experience working within agile software development environments.
• Previous involvement in quality engineering, test automation, validation frameworks, or data management solutions would be advantageous.

Responsibilities

• Design, develop, and maintain AI-powered validation and automation frameworks using Python.
• Build intelligent agents and automation workflows using Model Context Protocol (MCP) and similar agent-based architectures.
• Integrate foundation models through cloud AI platforms and services.
• Develop prompt engineering strategies, evaluation frameworks, and AI guardrails to ensure reliable and scalable automation.
• Create and maintain data management and validation pipelines supporting AI and machine learning systems.
• Design and implement scalable APIs, web services, microservices, and software development kits (SDKs).
• Apply software engineering best practices including reusable design patterns, clean coding standards, testing, and code reviews.
• Collaborate with globally distributed engineering teams throughout the software development lifecycle.
• Troubleshoot and optimise system performance, reliability, and automation effectiveness.
• Contribute to technical decision-making, architecture discussions, and continuous improvement initiatives.
• Support and mentor other team members, promoting knowledge sharing and engineering excellence.
• Communicate effectively with technical and non-technical stakeholders.

Skills

Python

Generative AI/LLMs

Agent-based architectures

MCP concepts

Cloud AI services

RESTful APIs

Microservices

OO design

Git

Education

Bachelor's degree in CS/Software Engineering or related

Tools

Git

Job description

SII UK is seeking a Senior AI Software Engineer to join our growing engineering team in the UK. You will design and implement intelligent validation frameworks powered by Large Language Models, leveraging Python and cloud platforms to automate testing, data management, and QA processes.

You will build agent-based automation workflows, integrate foundation models via cloud services, and craft robust APIs and microservices while adhering to best software engineering practices.