Citi

Senior Java/Kotlin Engineer - Equity Derivatives Tech - VP

London United Kingdom
Full-time
Posted Nov 5, 2026

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Skills

Agile
CI/CD
Java
Kotlin
Python

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.

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 ------------------------------------------------------

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. ------------------------------------------------------

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

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