Senior Options Software Engineer

Citadel Securities; Greater London; On-site; GBP 70,000 - 90,000; Full time

Job summary

Citadel Securities in London is seeking a skilled software developer to enhance one of the world’s most powerful trading platforms. The role involves building, maintaining, and supporting software solutions while working closely with business leaders to deliver effective results.

The ideal candidate has over 5 years of experience, strong C++ skills, and a passion for technology, focusing on multi-threaded application design and complex analytical problem-solving.

Qualifications

• Over 5 years of working experience in software development.
• Strong background in C++ programming.
• Experience with distributed systems and multi-threaded applications.

Responsibilities

• Build, maintain, and support trading platforms.
• Design and deploy software solutions across the firm.
• Analyze complex business and technical problems.

Skills

C++

Distributed systems

Multi-threaded application design

Analytical methods

Communication skills

Education

Bachelor’s degree in Computer Science

Job description

Options market making presents a unique challenge in combining scale with business complexity. With over a million of listed options at the heart of billions of messages, we handle internet-scale datasets while being constrained on hardware due to latency requirements necessitating exchange co-location. This forces us to both push the machines to their max as well as innovate in the space of algorithms and business.

In our mission to be the most successful investment team in the world, we hire the brightest minds in technology, research, and finance, and empower them to collaborate. Treating the problems as “data-in, data-out” technical challenges is not enough. To succeed, you need to be willing to master the options trading domain and translate this mastery into cutting edge software solutions, collapsing data cardinality where possible.

Location

London

Objectives

• Build, maintain and support one of the world’s most powerful trading platforms while continuously improving performance, functionality and stability of the system
• Design, develop, test, and deploy elegant software solutions across the firm
• Partner with business leaders to define priorities and deliver custom solutions
• Analyze complex business and technical problems
• Make sound decisions proactively and in a self-directed manner
• Provide timely systems support for trading activities

Skills and Qualifications

• 5+ years of working experience
• Experience working in C++
• Experience working with distributed systems
• Sound understanding of multi-threaded application design and development
• Passion for technology and software development
• Ambition to solve open-ended problems using analytical methods
• Ability to work independently and prioritize high-impact projects
• Strong communication and interpersonal skills applicable to a dynamic trading environment
• Bachelor’s degree (or equivalent experience) in Computer Science or related field