Senior C# Developer - Equity Derivatives Technology Risk (VP) - London

citi
London

Senior C# Developer - Equity Derivatives Technology Risk (VP) – London

Job Overview:

We are seeking an experienced and highly skilled Senior C# Developer to join our dynamic team. The ideal candidate will be responsible for designing, developing features across the Equity Derivatives Risk Management Platform.

This role demands a proactive individual who can work collaboratively in a fast-paced environment to deliver innovative solutions.

Key Responsibilities:

  • Implement robust, high-performance, and scalable solutions for Citi’s Equity Derivatives Risk management platform using C# (C++ is a bonus)
  • Collaborate with traders, quants, and analysts to gather requirements and ensure the software meets business needs
  • Integrate new features and functionalities into existing risk infrastructure
  • Optimize applications for maximum speed and scalability
  • Conduct performance tuning and debugging to improve application performance and reliability
  • Write clean, maintainable, and efficient code.
  • Conduct code reviews and provide constructive feedback to team members.
  • Ensure adherence to best practices and coding standards
  • Work closely with cross-functional teams including traders, quants, and other developers.
  • Mentor junior developers and share knowledge to enhance team capabilities
  • Stay updated with the latest industry trends, technologies, and best practices.
  • Proactively suggest improvements to existing systems and processes

Technical Skills:

  • Proficient in C# and ideally C++ programming languages
  • Experience with multi-threading, concurrency, and real-time systems
  • Familiarity with financial data protocols and market data feeds
  • In depth knowledge of SQL and database design/optimisation

Soft Skills:

  • Excellent problem-solving and analytical skills
  • Strong communication and interpersonal skills
  • Ability to work effectively in a team-oriented environment

Nice to have experience:

  • Commercial experience in software development with a focus on C++
  • Understanding of trading systems and financial markets.
  • Experience with derivatives risk management.

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

What we’ll provide you

By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:

  • 27 days annual leave (plus bank holidays)
  • A discretional annual performance related bonus
  • Private Medical Care & Life Insurance
  • Employee Assistance Program
  • Pension Plan
  • Paid Parental Leave
  • Special discounts for employees, family, and friends
  • Access to an array of learning and development resources

Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.

#LI-AP2

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi .

View Citi’s EEO Policy Statement and the Know Your Rights poster.
Posted 2025-07-20

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