# Software Engineer – Intern (Europe)

[Citadel](https://www.jorb.ai/firms/citadel.md) · London · United Kingdom · [Backend](https://www.jorb.ai/jobs/backend.md)

Citadel is hiring a Software Engineer – Intern (Europe) in London. Posted 2025-12-26; applications close 2026-06-23.

**Apply**: https://www.citadelsecurities.com/careers/details/software-engineer-intern-europe/

Posted 4mo ago.

## Role details

## Overview

At Citadel, our engineers work in small teams to transform the best ideas into high-performing, resilient technology. With short development cycles, work quickly moves into production. As an engineer, you can create systems architectures, develop platforms, and build web frameworks. You’ll have access to state-of-the-art tools and apply innovative techniques including distributed computing, natural language processing, machine learning, and more.

## Internship Program

As an intern, you’ll challenge the impossible in technology through an 11-week program that enables collaboration and connection with senior team members. You’ll also have opportunities to network and socialize with peers throughout the internship.

## Objectives

  
- Create technological tools that bring trading strategies to life
  
- Develop high-performance, large-data research platforms
  
- Work in small teams to build the future of finance

## Your Skills & Talents

  
- Degree in Computer Science, Computer Engineering, or related fields (Bachelor’s, Master’s, PhD)
  
- Exceptional programming and design skills
  
- Strong analytical skills and familiarity with probability and statistics
  
- Ability to communicate effectively in a collaborative, complex, and highly technical team environment
  
- Intellectual curiosity and passion for solving challenging problems using technology

## Location

Opportunities available in London.

## About Citadel Securities

Citadel Securities is a technology-driven, next-generation global market maker. We provide institutional and retail investors with world-class liquidity, competitive pricing, and seamless front-to-back execution across a broad array of financial products. Our teams of engineers, traders, and researchers harness leading-edge quantitative research and the accelerating power of compute, machine learning, and AI to power our analytics and tackle the market’s and our clients’ most critical challenges. Together, we are forging the future of capital markets. For more information, visit citadelsecurities.com.

## How to Apply

Start Application

## Applying to this role

This Software Engineer – Intern (Europe) role at Citadel runs through the firm's own careers portal and expects a CV and cover letter written specifically for the posting, not a portable submission carried across firms. Jorb AI's application agent tailors a CV and cover letter from your background to this posting and tracks the role alongside the rest of your applications.

[Tailor this application](https://www.jorb.ai/signup?ref=job-atom&firm=citadel&job=694ef16daa11ce41cf5114a7)

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Updated: 2026-05-25
Canonical: https://www.jorb.ai/jobs/694ef16daa11ce41cf5114a7