Senior Python AI Developer in London

About Us: ClearRoute is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We work with technology leaders facing complex business challenges. We take as much pride in our people, culture and work-life balance as we do in making better software. Collaborative, entrepreneurial and dedicated to problem-solving, we bring the step change our customers need to sustain innovation. Our values challenge us to do the best we can for ClearRoute, our customers and most importantly our team. We want to create a collaborative team to help build ClearRoute. This is an opportunity for you to build the organization from the ground up, use your voice to drive change and help transform organisations and problem domains. At ClearRoute we work in a hybrid, flexible way, with two days a week onsite in our office in Farringdon where this role will be based from. Unfortunately, we cannot offer visa sponsorship for this role.

Role: We are seeking an experienced Python Developer with strong experience building and deploying scalable systems. The ideal candidate will have deep hands-on expertise in Python backend frameworks such as Django, FastAPI, or Flask, and a proven track record of designing high-performance APIs and data-intensive services. You will have the opportunity to work on backend platforms that integrate AI-driven components, including Agentic AI systems, LLM integrations, and Azure automation services. This role focuses on building robust, scalable backend architectures that support large volumes of data, real-time processing, and intelligent workflows.

Key Responsibilities:

• Design and develop core AI primitives using state-of-the-art LLM technologies
• Build full-stack components for the Automated Code Modernisation agent
• Create data pipelines to support AI model training, fine-tuning and evaluation
• Implement context-aware generation capabilities with organisational guardrails
• Contribute to the value measurement framework for AI adoption

Required Skills & Experience:

• Expert knowledge of generative AI, LLM architectures and prompt engineering
• Strong Python development skills with experience in AI/ML frameworks
• Data engineering experience, particularly with unstructured and code-related data
• Full-stack development capabilities across frontend and backend systems
• Experience with vector databases and retrieval-augmented generation (RAG)
• Knowledge of AI evaluation metrics and performance optimisation

What Next? At ClearRoute, we believe diverse perspectives lead to better outcomes, and inclusion creates the conditions for everyone to thrive. We are proud to have built a family-friendly working environment and have many employees who have caring responsibilities alongside work. We welcome applications from people who require flexibility and will be happy to discuss needs on an individual basis. We are committed to fostering a culture where all team members feel respected, supported, and empowered to do their best work. We celebrate individuality and our differences and understand that some differences may mean that you require changes made to the interview process. We are happy to cater to your needs to make the interview accessible; if this is something you require please let us know by emailing us.