Senior AI/Data Engineer - Semantic Layer & LLM Ops

Owen Thomas B Corp; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Codat is building an Advisory Intelligence Platform that powers client insights inside the AI assistant bankers use. You will develop the data and reasoning layers that support model-driven advice, focusing on robust backend systems and scalable data processing.

The role combines hands-on software engineering with AI-driven problem solving, in a fast-growing, AI-first environment. You’ll collaborate cross-functionally to shape architecture, improve data quality and deliver reliable AI-powered

Qualifications

• Proven backend skills with modern languages and patterns.
• Experience integrating ML/LLM components into production systems.
• Strong understanding of distributed systems and data workflows.

Responsibilities

• Build and maintain the data and reasoning layers for AI-driven features.
• Design robust data pipelines and model interfaces.
• Collaborate with product and engineering teams to ship reliable AI-powered capabilities.
• Ensure observability, tests and quality gates for the systems.

Skills

C# backend

Python

LLM integration

Distributed systems

Tools

Docker

CI/CD pipelines

Azure Cloud

Job description

Codat is building an Advisory Intelligence Platform that powers client insights inside the AI assistant bankers use. You will develop the data and reasoning layers that support model-driven advice, focusing on robust backend systems and scalable data processing.

The role combines hands-on software engineering with AI-driven problem solving, in a fast-growing, AI-first environment. You’ll collaborate cross-functionally to shape architecture, improve data quality and deliver reliable AI-powered