Java/Kotlin Engineer - Equity Derivatives Tech - VP

Citi Group; City of Westminster; On-site; GBP 90,000 - 120,000; Full time

Job summary

Citigroup Inc. is hiring for a senior backend software engineer in the City of Westminster. The role focuses on leading an Agile/AI-enabled team delivering production-grade, cloud-hosted services for equities platforms.

You will collaborate with traders, quants and tech teams to implement high-quality solutions, drive SDLC improvements and evolve architectures with AI tooling and microservices.

Qualifications

• Degree in Engineering, Computer Science, Mathematics, Physics, or a related quantitative discipline.
• Master's degree preferred.
• Strong software engineering background with Java/Kotlin and cloud-native systems.

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

Python

Cloud platforms

DevOps

Agile

Microservices

AI tooling

Education

Engineering/CS/Math/Physics degree

Master's degree preferred

Tools

Kafka

OpenTelemetry

ELK

Grafana

Job description

• 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.
  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., 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.
  Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact., 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.