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GenAI Python Developer
Job Posted: 2 hours ago
Salary: £ 400 - 450 / Day
Job Type: Contract
Location: London
Expire in: a month
Job Description
GenAI Python Developer x4
Location: Hybrid/London
Contract Rate: £400–£450 per day (Inside IR35, initial 6-9 months)
GenAI | Python | Enterprise AI Platform - Build the core of a next-gen Generative AI ecosystem for a global finance services business.
If you’re a strong Python engineer who’s genuinely excited by the possibilities of GenAI in real enterprise environments, this is a brilliant opportunity. You’ll be working on a large-scale Generative AI platform that’s reshaping how a major global finance services business builds, deploys, and adopts AI across the business.
Expect hands-on engineering, real problem solving, and plenty of collaboration as you help architect, automate, and operationalise LLM-driven services at scale.
What You’ll Be Doing:
* Building backend services and APIs that give secure, governed access to LLM capabilities
* Developing Python-based GenAI components including prompt orchestration and evaluation tooling
* Integrating LLMs with enterprise systems, observability layers, and security frameworks
* Designing and maintaining CI/CD pipelines using Azure DevOps
* Working closely with platform leads, architects, and SRE teams to ensure stable, scalable operations
* Supporting benchmarking, evaluation, and experiment tracking to measure LLM performance and cost
* Contributing to RAG implementations and vector-driven retrieval patterns
* Helping shape platform patterns, reusable components, and clear documentation
* Troubleshooting performance issues across distributed systems and cloud services
What You’ll Bring:
* 5+ years of backend engineering experience, with strong Python at the core
* Hands-on exposure to GenAI technologies and Large Language Models
* Practical understanding of LLM evaluation, prompt handling, and operational complexities
* A DevOps-first approach with experience in CI/CD, observability, and automation (Azure DevOps preferred)
* Confidence working in regulated enterprise environments with tight security controls
* Experience integrating AI or ML services into real-world applications
* Knowledge of authentication, secret management, networking, and model access governance
Bonus Points For:
* Kong API Gateway, Kong Mesh, Flux CD
* AWS stack: EC2, EKS, S3, SQS, DynamoDB, Bedrock
* RESTful API development with FastAPI, microservices, Terraform, GitOps workflows
* Prompt evaluation tools such as Promptfoo
* SQL and NoSQL experience: MySQL, PostgreSQL, MongoDB, Cassandra
* Exposure to RAG patterns and vector search technologies
What Success Looks Like:
* Secure, reusable GenAI components running smoothly in production
* Faster engineering delivery through automation and DevOps maturity
* High observability and strong evaluation built in from day one
* Platform teams and application teams genuinely enjoying what you build
* Clean documentation and an onboarding flow that makes adoption effortless
If you’re keen to help shape one of the most exciting GenAI platforms in the enterprise world, drop me a message and we can get things moving. Interviews won’t stay open for longBefore You Apply
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