Senior Python AI Developer

Senior Python AI Developer - Generative & Agentic AI

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 and platform engineers on scalable AI solutions

What we're looking for

You'll be an experienced Python Developer or AI Engineer with strong backend engineering skills and practical experience developing Generative AI applications. We'd expect experience across a good mix of:

Strong Python backend development and FastAPI
Generative AI, Agentic AI and Large Language Models
RAG architectures, prompt orchestration and vector search
AWS cloud engineering, particularly Bedrock and AgentCore
RESTful APIs, microservices and distributed systems
CI/CD pipelines, DevOps and automation
LLM integration, evaluation and performance optimisation
Secure application development and observability

Experience with Terraform, GitOps, Kong API Gateway, SQL/NoSQL databases and AI evaluation tools such as Promptfoo or Arize would also be useful.

Previous experience working within financial services, insurance or other regulated environments would be beneficial.

What's on offer

Two positions available - permanent or contract
Permanent salary of £60,000 - £75,000
Contract rate of c£475 per day
London hybrid working - 3 days per week onsite
Opportunity to build enterprise-scale Generative and Agentic AI applications
Hands-on experience with modern LLM technologies and AWS AI services
Collaboration with experienced AI engineers, architects and platform specialists

Ideally, you'll have 8+ years' commercial experience and be available immediately or within four weeks.

This is a great opportunity for an experienced Senior Python Developer, Generative AI Engineer or LLM Engineer looking to build real-world AI applications and take enterprise AI solutions into production.

Interested? Get in touch to find out more.

Apply Now

Senior Python AI Developer

Job Details