GenAI Engineer: Python, LLM & RAG | Hybrid London

Client Server Ltd.; Greater London; Hybrid; GBP 140,000 - 180,000; Full time

Benefits offered by this job

Pension

Private medical insurance

25 days annual leave

Training & development

Hybrid work policy

Job summary

Client Server Limited in London is seeking a GenAI Engineer / Software Developer (Python LLM RAG) on a 12 month FTC. You will apply advanced Python skills to build GenAI-driven tooling, prototypes and production-ready workflows.

Join the Investment Technology Research team and collaborate with Investment Analysts to design, evaluate and deploy retrieval-augmented systems, APIs and MCP-enabled components. Hybrid work with three days in the office.

Qualifications

• Experience in Investment Management or financial services.
• Advanced Python development skills.
• Experience building GenAI applications and features.
• Experience with RAG, retrieval design and grounding model outputs.
• Experience integrating APIs, LLM SDKs and MCP-style capabilities.
• Experience evaluating GenAI systems with user feedback.

Responsibilities

• Prototype, evaluate and engineer GenAI solutions.
• Collaborate with Investment Analysts to identify opportunities.
• Develop and maintain internal GenAI tools and workflows.
• Work with platform and data engineers to improve reliability.

Skills

Python

GenAI / LLMs

RAG systems

APIs / SDKs

Tool integration

Stakeholder engagement

Education

2.1+ STEM degree

Tools

Claude Code

Codex

LLM SDKs

MCP

Job description

Client Server Limited in London is seeking a GenAI Engineer / Software Developer (Python LLM RAG) on a 12 month FTC. You will apply advanced Python skills to build GenAI-driven tooling, prototypes and production-ready workflows.

Join the Investment Technology Research team and collaborate with Investment Analysts to design, evaluate and deploy retrieval-augmented systems, APIs and MCP-enabled components. Hybrid work with three days in the office.