Core Engineering Java Development Lead – FX Tech (SVP)

Citi; Greater London; On-site; GBP 60,000 - 80,000; Full time

Benefits offered by this job

27 days annual leave

Annual performance related bonus

Private Medical Care

Pension Plan

Paid Parental Leave

Employee discounts

Access to learning resources

Job summary

Citi is seeking an experienced software engineer to design, develop, and maintain high-performance Java services. This role will involve applying modern backend design principles, including Domain-Driven Design, while collaborating with cross-functional teams to address complex business needs.

Successful candidates will bring strong Java expertise, particularly with frameworks like Spring, and experience in developing AI capabilities and event-driven systems. The position offers a variety of benefits, including 27 days annual leave, private medical care, and opportunities for professional development.

Qualifications

• Proven experience building backend systems using Java and frameworks such as Spring.
• Experience using AI tooling to accelerate design exploration and embedding AI capabilities.
• Experience designing systems using event-driven approaches.

Responsibilities

• Design, develop and maintain high-performance Java services.
• Apply Domain-Driven Design and message/event-driven design principles.
• Contribute to improvements in build tooling and engineering productivity.

Skills

Java expertise

AI driven development

Event-driven design

Problem-solving mindset

Cloud-ready development

Quality and resilience

Job description

Responsibilities

• Hands‑On Engineering: Designing, developing and maintaining high-performance Java services that are scalable, secure and resilient.
• Modern Backend Design: Applying Domain‑Driven Design and message-/event‑driven design principles to build loosely coupled, well‑structured systems.
• Code Quality & Craftsmanship: Writing clean, maintainable code and contributing to peer reviews, championing best practices and continuous improvement.
• System Evolution: Helping modernise and evolve existing platforms, balancing pragmatic delivery with long‑term architectural health.
• Collaboration: Working closely with trading, quants and fellow engineers to turn complex business requirements into robust technical solutions.
• Developer Experience: Contributing to improvements in build tooling, CI/CD pipelines, testing approaches and overall engineering productivity.
• Operational Excellence: Supporting systems in production, improving observability, performance and resilience.

Experience

• Strong Java Expertise: Proven experience building backend systems using Java and frameworks such as Spring with deep understanding of the JVM ecosystem.
• AI Driven Development Focus: experience using AI tooling to accelerate design exploration, prototyping and embedding AI capabilities into product workflows and services
• Event Driven Design: Experience designing systems using event‑driven approaches (e.g. Solace, Kafka, Web Sockets or similar technologies), with a solid grounding in Domain‑Driven Design.
• Engineering Fundamentals: Strong grasp of SOLID principles, design patterns, dependency injection and persistence technologies
• Problem‑Solving Mindset: Solid knowledge of algorithms and data structures, with the ability to reason about performance, complexity and scalability
• Cloud‑Ready Development: Experience building software for cloud environments, including containerization and modern deployment practices.
• Quality & Resilience: Understanding of secure coding practices, fault tolerance and building reliable systems in distributed environment

What we’ll provide you

• 27 days annual leave (plus bank holidays)
• A discretionary 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 our About Us | Culture, Values & Benefits page to learn more.

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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