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# Senior AI Software Engineer

- **Company:** Selby Jennings
- **Location:** London, UK
- **Experience:** Expert
- **Salary:** £80,300.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Databases, Software Debugging, Distributed Systems, High-Frequency Trading, Python (Programming Language), Software Architecture, Software Engineering, Software Repository, Enterprise Software Applications, Application Enhancement Tool, Large Language Models
- **Published:** September 15, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5883678426

## About the Role

* Strong software engineering experience in Python, including building and operating production systems.
 * Practical experience with modern AI platforms, large language models and agentic workflows.
 * Strong understanding of APIs, distributed systems and software architecture.
 * Excellent system design, debugging and problem-solving capabilities.
 * The ability to independently own complex projects, with exposure to quantitative research, trading technology or financial markets considered advantageous.

## Description

Our client, a leading global quantitative hedge fund, is looking for a Senior AI Software Engineer in London to drive the adoption of AI across a high-frequency trading business. Working within a technology and data-led environment, you will partner directly with quantitative researchers, software engineers and business teams to identify high-value opportunities, then own the delivery of AI-powered tools from concept through to production. The position exists to connect emerging AI capabilities with complex research, development and trading workflows, improving productivity while establishing robust engineering standards for the wider business.

Responsibilities

 * Build and operate production-grade AI applications, assistants and agentic workflows.
 * Develop integrations connecting AI systems with internal tools, code repositories, databases and knowledge sources.
 * Design AI agents capable of securely interacting with enterprise systems and APIs.
 * Evaluate emerging models, frameworks, coding assistants and AI tooling against genuine business use cases.
 * Partner with researchers, engineers and business stakeholders to take projects from initial problem definition through to production delivery.


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