Senior Java Software Engineer – FX Options Risk

Salary: £62,000 - 102,000 per year

Requirements:

• Extensive development experience, with a strong focus on enterprise Java within highly parallel, low-latency, or distributed environments.
• Strong financial knowledge of FX trading, options pricing, or real-time risk systems is highly preferred.
• Proven track record as a high-performing individual contributor delivering complex, high-throughput distributed systems in production environments.
• Deep hands-on expertise in Core Java, including multi-threading, memory management, garbage collection tuning, and concurrency utilities.
• Solid experience with real-time stream processing and distributed data architectures, including Kafka, Apache Storm, CouchbaseDB/NoSQL, and Spring.
• Familiarity with modern infrastructure paradigms, such as containerization and cloud platforms, is highly advantageous.
• Understanding of AI, machine learning, or advanced quantitative analytics applications in financial systems is a strong plus.
• Outstanding communication and collaboration skills, with the ability to explain complex technical concepts to non-technical business partners, including trading desk heads.
• Bachelors degree, University degree, or equivalent experience.

Responsibilities:

• Design, develop, and optimize critical FX real-time risk infrastructure, ensuring high performance, minimal latency, and high availability.
• Drive key technical deliverables and champion code quality, modern development practices, and robust system design patterns within the team.
• Provide expert architectural input and contribute to the technical strategy as we modernize and onboard to the banks strategic risk platform.
• Collaborate with engineering partners to establish design standards, conduct deep code reviews, and provide technical mentorship to mid-level and junior engineers.
• Serve as a key technical subject matter expert for the FX Options Trading desk, trading leadership, and risk managers, translating quantitative and trading requirements into concrete software designs.
• Act as a dependable technical partner to front-office stakeholders, offering advanced analysis and fast, decisive troubleshooting for complex real-time system behaviors or critical production incidents.
• Appropriately assess risk when technical and architectural decisions are made, ensuring all solutions adhere to corporate security, scalability, and stability standards.
• Contribute hands-on as a primary engineer using our modern tech stack, including Core Java, CouchbaseDB, Kafka, and Apache Storm.
• Solve complex real-time risk calculation requirements, handling heavy stream processing and highly concurrent data flows.

Technologies:

• AI
• Cloud
• Java
• Kafka
• Machine Learning
• NoSQL
• Security
• Spring
• AWS
• GCP
• Kubernetes
• OpenShift

More:

We are Citi, hiring for a Senior Java Software Engineer – FX Options Risk (VP) role in London, England, United Kingdom within our Technology, Applications Development function. This is a front-office facing position supporting our FX Options Trading desk and mission-critical real-time risk systems. We offer a business casual workplace with a hybrid working model of up to 2 days working from home per week, a competitive base salary reviewed annually, and benefits including 27 days annual leave plus bank holidays, a discretionary annual performance-related bonus, private medical care and life insurance, an employee assistance program, a pension plan, paid parental leave, special discounts for employees, family and friends, and access to learning and development resources. We are committed to an inclusive workplace where everyone feels comfortable coming to work as their whole self.

last updated 36 week of 2026