C# developer in equity derivatives

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match.

• Conduct performance testing and profiling to ensure application robustness and scalability suited for high-volume financial data processing.
• Troubleshoot, diagnose, and resolve code issues and performance bottlenecks.
• Utilize knowledge of applications development procedures and concepts, and basic knowledge of other technical areas to identify and define necessary system enhancements, including using script tools and analyzing/interpreting code

• We are seeking a highly skilled engineer with broad technical capability along with specialist knowledge of .Net Framework and .Net 5+. You should have good understanding of algorithms, system design/architecture, design patterns, implementation and unit testing.
• A curious and flexible mindset is a must in this role as to are the following qualities, ownership, perseverance, detail orientated and tenacity.
• The ideal candidate will be dependable and resourceful software professional who can comfortably work in a large development team in a globally distributed, dynamic work environment that fosters diversity, teamwork and collaboration.
• Proven experience in a developer role with experience on large & complex projects.
• Strong C# knowledge in addition to exposure to both .Net Framework 4.5.2+ and .Net 5+
• Understanding of .Net performance analysis and optimization approaches.
• Write comprehensive unit tests utilizing frameworks like NUnit, xUnit, Shouldly, or equivalents.
• Familiarity with web technologies OpenAI/Swagger, REST, Authentication, TLS
• Demonstrable experience or familiarity with high volume, low latency, highly available financial systems, trading platforms, or financial data processing.
• Broad technical experience with exposure to different languages such as Python, Java, Bash as well as operating systems such as Linux. Where candidate does not have deep exposure, they must show some basic knowledge and willingness to grow.
• Experience with version control & CI/CD tools such as Git & GitLab/GitHub
• Understanding of one or more messaging technology such Kafka, RabbitMQ, Solace etc.
• Clear understanding various design patterns and leveraging the same to solve complex technical problems.
• Proven ability in working with the development team members and other partners, with minimal supervision.
• Strong verbal and written communications skills, excellent interpersonal skills with ability to communicate well at all levels.
• Team Player, self-starter and thorough who is willing to take on any assigned job/responsibilities
• Ability to learn new skills quickly with little supervision and ensuring the detail is of high priority
• Efficiently and effectively manages work, time, and resources.
• Ability to work under high-pressure situations and effectively prioritize in a highly dynamic work environment that includes a global focus.
• Strong analytical and problem solving coupled with program execution skills.
• Ability to understand the big picture – can step back and understand the context of problems before applying analytical skills to address the issues.
• Has the ability to operate with a limited level of direct supervision.
• Can exercise independence of judgement and autonomy.

• business casual workplace with a hybrid working model (up to 2 days working at home per week)
• competitive base salary (which is annually reviewed)
• 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