Senior Developer - Systematic Trading Tools (C# / Rust)

Capula Investment Management LLP; London; On-site; GBP 70,000 - 100,000; Full time

Job summary

A leading investment management firm seeks a Senior Developer to enhance their systematic trading tools utilizing C# and Rust. The position involves full software development lifecycle responsibilities including stakeholder engagement, design, and implementation. Based in London with a potential relocation to Singapore, the firm offers competitive salary and benefits.

Benefits

Competitive salary

Private medical insurance

Life assurance

Pension

Corporate gym membership

Employee restaurant with free meals

Qualifications

• Significant professional experience as a C# developer.
• Experience in systematic trading environment strongly preferred.
• Proven ability to communicate effectively with both technical and non-technical stakeholders.

Responsibilities

• Take ownership of existing systems and processes for stability.
• Design and implement new solutions for evolving requirements.
• Mentor junior team members.

Skills

C#

Rust

C++

Python

Relational Databases

Education

Degree in a relevant technical or quantitative discipline

Tools

RabbitMQ

Kafka

Job description

Senior Developer - Systematic Trading Tools (C# / Rust)

Senior Developer - Systematic Trading Tools (C# / Rust)

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Overall Purpose of the Role

We are seeking a senior technology developer with strong experience in C# and either Rust or C++. This role covers the full software development lifecycle, including stakeholder engagement, requirements gathering, analysis, development, testing, deployment, and ongoing support.

Overall Purpose of the Role

We are seeking a senior technology developer with strong experience in C# and either Rust or C++. This role covers the full software development lifecycle, including stakeholder engagement, requirements gathering, analysis, development, testing, deployment, and ongoing support.

The role includes taking ownership of an existing stand-alone backtesting system written in Rust and over time integrating it into the wider company toolset, which is primarily written in C#. You will focus on building and maintaining tools to support systematic trading, contributing across the entire strategy lifecycle—from research and backtesting to production deployment and operational readiness. The role is currently based in London, with the expectation of relocating to Singapore after approximately six months.

Key Responsibilities

• Take ownership of existing systems and processes, ensuring their stability and effectiveness
• Design and implement new solutions in response to evolving requirements, maintaining close communication with traders and other stakeholders
• Collaborate with other developers and consultants to maintain a consistent, high-quality codebase
• Develop a deep understanding of the firm's technology infrastructure and tooling
• Actively contribute to the continuous improvement of development practices and system architecture
• Mentoring more junior members of the team, from time to time.
  
  
  

Requirements


Education and Qualifications

• Degree in a relevant technical or quantitative discipline
  
  
  

Experience

• Significant professional experience as a C# developer
• Experience in a systematic trading environment is strongly preferred
• Prior exposure to Rust (or strong C++ experience with the willingness to learn Rust)
• Proven ability to communicate effectively with both technical and non-technical stakeholders
  
  
  

Skills

• Strong proficiency in C# (required)
• Rust experience (preferred) or strong C++ background with a desire to learn Rust on the job
• Proficient in Python (desired)
• Solid understanding of relational databases (required)
• Familiarity with messaging systems such as RabbitMQ or Kafka (preferred)
• Highly motivated, pragmatic, and solutions-focused, with a "smart and get things done" mindset
• Willingness to relocate to Singapore after an initial London-based period (:6 months)
  
  
  

Benefits

• Competitive salary
• Private medical insurance
• Life assurance
• Pension
• Corporate gym membership (and a complimentary wellness space in our London office)
• Employee restaurant with free breakfast, lunch and dinner

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Non-profit Organizations and Primary and Secondary Education

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