3 months ago
London, United KingdomSenior
Responsibilities
- Develop and optimize low-latency Java and Rust applications and frameworks, with approximately 90% hands-on coding.
- Build microservices-based, event-sourced systems with response times in the 10–100 microsecond range.
- Develop algorithmic trading utilities, including market data replay and back-testing or simulation tools.
- Lead integration of functions, deploy new products, enhance processes, and implement technology projects.
- Analyze business and system processes and industry standards to develop solutions to complex problems.
- Provide expertise in Java low-latency development, system flows, application design, and performance tuning.
- Consult with end users to define system specifications and incorporate them into system designs.
- Communicate with senior leaders and external parties and help build consensus.
- Mentor junior developers and less experienced senior Java developers.
- Produce diagrammatic documentation and model system aspects using UML sequence diagrams when needed.
Requirements
- Subject-matter expertise in application development.
- In-depth experience developing algorithmic trading applications, preferably in low-latency environments.
- Detailed experience handling market data and related technologies, such as KDB time-series databases.
- Strong modern Java, JVM, Linux operating system, system call, and kernel knowledge.
- Knowledge of TCP and other IP-based network protocols, including hardware-accelerated kernel bypass technologies such as Solarflare OpenOnload.
- Experience with performance assessment and targeted tuning.
- Strong Java framework development experience for commercial-grade, mission-critical systems based on event sourcing.
- Demonstrated leadership, project management, development, communication, relationship-building, and consensus-building skills.
- Experience implementing technology projects and creating clear technical documentation.
- Background in C++ is preferred.
Benefits
- Hybrid working model with up to two days working from home per week.
- 27 days of annual leave plus bank holidays.
- Discretionary annual performance-related bonus.
- Private medical care and life insurance.
- Employee Assistance Program.
- Pension plan.
- Paid parental leave.
- Employee, family, and friend discounts.
- Access to learning and development resources.
- Full-time employment in a business-casual workplace.
About Citi
Citi is a public financial-services company offering consumer and institutional banking, credit cards, wealth management, treasury and trade solutions, and capital-markets services. It serves individuals, corporations, financial institutions, and governments in more than 160 countries and jurisdictions, earning interest and fee income from lending, payments, trading, and advisory. Founded in 1812 and headquartered in New York, it trades on the NYSE under the ticker C.