Senior Java/Kotlin Engineer - Equity Derivatives Tech - VP

Citi Group; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Citi's Equities Derivatives Technology department is seeking a hands-on Senior Developer to build applications supporting the Derivatives Flow, Delta One, and Exotics desks. You will lead an Agile/AI powered team, drive production‑grade solutions, and collaborate with traders and quants to modernize our technology stack.

You will mentor developers, champion best practices in CI/CD, and help integrate AI tooling across the stack, while ensuring performance, reliability, and observability in cloud

Qualifications

• Bachelor's degree/University degree or equivalent experience.
• Master's degree preferred.
• Ideally in Engineering, Computer Science, Mathematics or Physics.

Responsibilities

• 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

Java/Kotlin

Cloud platforms

Backend development

Agile/AI powered development

End-user collaboration

AI tooling

Distributed systems

Education

Bachelor's degree

Master's degree preferred

Tools

Kafka

Solace

TIBCO

OpenTelemetry

Elastic Stack / ELK

Grafana

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.

Job Family Group

Technology

Job Family

Applications Development

Time Type

Full time

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