Senior AI Engineer

Senior Python AI Developer - Generative & Agentic AI

Python | FastAPI | AWS | LLMs | RAG | Agentic AI | DevOps

Salary: £60,000 - £75,000

Contract rate: c£475 per day

Location: London - Hybrid (3 days per week onsite)

Employment: Permanent or Contract | 2 positions

We're recruiting two experienced Senior Python AI Developers to join a technology consultancy delivering enterprise-scale Generative and Agentic AI solutions for a major financial services client.

These are hands-on engineering opportunities focused on building core services, features and capabilities for an enterprise-grade AI platform.

You’ll combine strong Python backend development with LLM integration, AWS cloud technologies and DevOps, working alongside experienced AI engineers, architects and platform specialists to deliver secure, scalable, production-ready AI applications.

The role

• Designing and developing Python backend services and APIs using FastAPI • Building Generative AI, Agentic AI and LLM-powered applications • Developing RAG architectures, prompt orchestration and AI evaluation tooling • Integrating LLMs with enterprise applications and business workflows • Working with AWS services including Bedrock, AgentCore, EKS, EC2, S3 and SQS • Designing CI/CD pipelines, automation and reusable microservices • Supporting LLM benchmarking, performance monitoring and cost optimisation • Integrating AI services with enterprise security and observability frameworks • Collaborating with architects…