Senior Java/Kotlin Engineer - Equity Derivatives Tech - VP

Citi; Greater London; On-site; GBP 90,000 - 140,000; Full time

Job summary

Citi's Equities Derivatives Technology team seeks a hands-on Senior Developer to build front-office applications for pricing and trading with critical market data. You will contribute to modernizing the stack, container migration, and AI-assisted development practices.

Role emphasizes technical leadership, end-user collaboration, and delivering scalable, reliable services in a financial context. Strong cloud and Java/Kotlin experience are essential.

Qualifications

• Bachelor's degree or equivalent in Engineering/CS/Math/Physics.
• Master's degree preferred, ideally in a quantitative field.

Responsibilities

• Provide technical leadership to an Agile/AI powered development team.
• Partner with traders and quants to deliver production-grade applications.
• Drive quality and continuous improvement in SDLC and DevOps using metrics.

Skills

Java/Kotlin

End-user collaboration

Distributed systems

AI tooling

Cloud deployment

Concurrency

Communication

Education

Bachelor's degree

Master's degree preferred

Tools

Kafka

Cloud platforms

OpenTelemetry

Elastic Stack

TIBCO

Solace

Job description

The Team

Citi's Equities Derivatives Technology department is investing in front-office development to support the Derivatives Flow, Delta One, and Exotics desks. We are looking for a hands-on Senior Developer to build applications to help desks manage critical market data used for their derivatives products pricing and trading.

The Team

Citi's Equities Derivatives Technology department is investing in front-office development to support the Derivatives Flow, Delta One, and Exotics desks. We are looking for a hands-on Senior Developer to build applications to help desks manage critical market data used for their derivatives products pricing and trading. This is a key position within a transformational agenda to modernize our technology stack and participate in containers migration, utilizing functional JVM-based micro-services. This is an excellent opportunity for you to define yourself as one of the core contributors to the Equities investment strategy and set yourself up for a fruitful and successful career at Citi. You will also have the opportunity to work with advanced AI tools and platforms to enhance efficiency and accelerate development tasks.

Role Overview

• Provide technical leadership to an Agile/AI powered development team, mentoring developers and establishing best practices for coding, testing, CI/CD, AI usage.
• Partner with tech teams, traders and quants to deliver production-grade applications and services.
• Drive a culture of quality and continuous improvement in SDLC and DevOps, using metrics to boost efficiency.
• Translate complex business requirements into detailed technical specifications.
• Proactively identify, mitigate, and solve complex risks throughout the software development lifecycle.
• Improve system performance, scalability, reliability, observability.

Skills Required

• Strong software engineering experience in Java/Kotlin, building enterprise-grade, cloud-hosted systems.
• Proven experience working directly with end users or ideally trading desks to deliver mission-critical capabilities from concept through production.
• Extensive experience in backend development, preferably in a financial services environment, with a strong background in software application design, development, and implementation.
• Practical experience with Agentic AI development tools and patterns.
• Proven experience building and deploying applications on Cloud platforms.
• Demonstrable understanding of concurrent and distributed design patterns and system architecture.
• Excellent problem-solving and analytical skills, with the ability to identify and resolve complex technical issues.
• Strong communication and interpersonal skills, with the ability to effectively convey technical concepts to both technical and non-technical audiences.
• Degree in Engineering, Computer Science, Mathematics, Physics, or a related quantitative discipline.
• Advantageous Skills: Proficiency in Python, Messaging Technologies (e.g., Kafka, Solace, TIBCO), and Observability Technologies (e.g., OpenTelemetry, Elastic Stack / ELK, Grafana), experience with Multi-threading and Parallel task programming, experience with Domain-Driven Design (DDD) architecture. Good understanding of derivatives pricing and risk management, preferably within equities markets.

Education:

• Bachelor's degree/University degree or equivalent experience
• Master's degree preferred
• Ideally in a quantitative domain, such as Engineering, Computer Science, Mathematics o Physics.

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

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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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