Salary: £40,000 - 60,000 per year
Requirements: - Strong Python backend development skills and experience with FastAPI
- Practical experience developing Generative AI applications, including Agentic AI and LLM-powered solutions
- Experience with RAG architectures, prompt orchestration and vector search
- AWS cloud engineering experience, particularly with Bedrock and AgentCore
- Experience with RESTful APIs, microservices and distributed systems
- Experience with CI/CD pipelines, DevOps and automation
- Experience with LLM integration, evaluation and performance optimisation
- Experience with secure application development and observability
- Ideally, 8+ years of commercial experience and availability immediately or within four weeks
- Experience with Terraform, GitOps, Kong API Gateway, SQL/NoSQL databases, or AI evaluation tools such as Promptfoo or Arize would be useful
- Experience in financial services, insurance or another regulated environment would be beneficial
Responsibilities: - Design and develop Python backend services and APIs using FastAPI
- Build Generative AI, Agentic AI and LLM-powered applications
- Develop RAG architectures, prompt orchestration and AI evaluation tooling
- Integrate LLMs with enterprise applications and business workflows
- Work with AWS services, including Bedrock, AgentCore, EKS, EC2, S3 and SQS
- Design CI/CD pipelines, automation and reusable microservices
- Support LLM benchmarking, performance monitoring and cost optimisation
- Integrate AI services with enterprise security and observability frameworks
- Collaborate with architects and platform engineers to deliver scalable AI solutions
Technologies: - Agentic AI
- AI
- API
- AWS
- Backend
- CI/CD
- Cloud
- DevOps
- EC2
- FastAPI
- GitOps
- Support
- LLM
- NoSQL
- Python
- RAG
- SQL
- Security
- Terraform
- microservices
More:
Were recruiting two Senior Python AI Developers for a technology consultancy delivering enterprise-scale Generative and Agentic AI solutions for a major financial services client. These hands-on roles focus on building core services, features and capabilities for a secure, scalable, production-ready AI platform, alongside experienced AI engineers, architects and platform specialists. We offer permanent or contract positions, with permanent salaries of £60,000–£75,000 or a contract rate of approximately £475 per day. The role is based in London with hybrid working and three days per week onsite. Youll have the opportunity to build enterprise-scale AI applications and work with modern LLM technologies and AWS AI services.
last updated 41 week of 2026