Senior Java Software Engineer – FX Options Risk (VP)

Citigroup Inc.; Greater London; Hybrid; GBP 110,000 - 170,000; Full time

Benefits offered by this job

27 days leave

Annual bonus

Private medical care

Life insurance

Pension plan

Parental leave

Employee discounts

Learning resources

Job summary

Citi is seeking a Senior Java Software Engineer for FX Options Risk. You will design, develop, and optimize a high-throughput, real-time risk system in a front-office facing role and collaborate closely with the FX Options trading desk to translate business needs into scalable software solutions.

You will contribute hands-on development using Core Java, Kafka, CouchbaseDB, and Apache Storm, while mentoring engineers and shaping architectural direction for the bank's risk platform.

Qualifications

• Extensive Java development experience in low-latency or distributed systems.
• Strong understanding of FX trading, options pricing, or real-time risk.
• Proven IC delivering high-throughput distributed systems in production.
• Hands-on expertise in multi-threading, memory management, and GC tuning.
• Experience with real-time stream processing and NoSQL databases.

Responsibilities

• Design, implement, and optimize FX real-time risk infrastructure for high performance and availability.
• Drive technical deliverables, promote code quality, and champion modern practices.
• Provide architectural input and contribute to risk platform modernization.
• Mentor mid-level and junior engineers through code reviews and design standards.
• Collaborate with front-office stakeholders to translate requirements into software designs.

Skills

Core Java

Multi-threading

Low-latency

Real-time risk

Stakeholder collaboration

Education

Bachelor's degree

Tools

CouchbaseDB

Kafka

Apache Storm

Spring

OpenShift/Kubernetes

GCP/AWS

Job description

Senior Java Software Engineer – FX Options Risk (VP)

This position is responsible for designing, developing, and optimizing our mission-critical, high-throughput FX real-time risk system. As a SeniorSoftwareEngineer, you will leverage your deep technical expertise to drive the architectural evolution of low-latency processing systems, solve complex engineering challenges, and provide technical guidance to the engineering team. In this front-office facing role, you will collaborate closely with the FX Options Trading desk, translating business needs into robust, scalable, real-time software solutions.

Responsibilities

Technical Execution & Architecture

• Design, implement, and optimizecritical FX real-time risk infrastructure, ensuring high performance, minimal latency, and high availability.

• Drive key technical deliverablesand champion code quality, modern development practices, and robust system design patterns within the team.

• Provide expert architectural inputand contribute to the technical strategy as we modernize and onboard to the bank's strategic risk platform.

• Collaborate with engineering partnersto establish design standards, conduct deep code reviews, and provide technical mentorship to mid-level and junior engineers.

Stakeholder Collaboration & Domain Expertise

• Serve as a key technical Subject Matter Expert (SME)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 partnerto front-office stakeholders, offering advanced analysis and fast, decisive troubleshooting for complex real-time system behaviors or critical production incidents.

• Appropriately assess riskwhen technical and architectural decisions are made, ensuring all solutions adhere to corporate security, scalability, and stability standards to safeguard Citigroup, its clients, and assets.

Hands-on Development

• Contribute hands-onas a primary engineer utilizing our modern tech stack: Core Java (multi-threading, concurrency, memory optimization),CouchbaseDB, Kafka, and Apache Storm.

• Solve complex real-time risk calculation requirements, handling heavy stream processing and highly concurrent data flows.

Required Experience

• extensive development experience, with a strong focus on enterprise Java within highly parallel, low-latency, or distributed environments.

• Strong financial knowledgeof FX trading, options pricing, or real-time risk systems is highly preferred / obligatory.

• Proven track record as a high-performing Individual Contributor (IC)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 processingand distributed data architectures (e.g., Kafka, Apache Storm,CouchbaseDB/NoSQL, Spring).

• Familiarity with modern infrastructure paradigms, such as containerization (OpenShift/Kubernetes) and cloud platforms (GCP/AWS) is highly advantageous.

• Understanding of AI, machine learning, or advanced quantitative analyticsapplications in financial systems is a strong plus.

• Outstanding communication and collaboration skills, with the ability to interact confidently and explain complex technical concepts to non-technical business partners, including trading desk heads.

Education

• Bachelor's degree/University degree or equivalent experience

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

Visit ourGlobal Benefitspage to learn more.

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.

Job Family Group:

Technology

Job Family:

Applications Development

Time Type:

Full time

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

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

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