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About the Role
We are seeking a Senior Applications Developer to join a team delivering pricing solutions for the Foreign Exchange (FX) business. You will cover the full software development lifecycle — analysis, design, implementation, and testing — while providing technical leadership to the team.
Responsibilities
- Design and develop high-quality trading GUIs providing compelling user experiences for internal and external traders
- Define and enforce interoperability standards across web applications using FDC3, and REST/WebSocket APIs
- Drive AI integration within the development lifecycle — including AI-assisted coding, automated test generation, and intelligent monitoring
- Influence performance engineering across the UI stack: profiling, rendering optimisation, bundle analysis, and low-latency data delivery
- Contribute and influence architecture decisions for large-scale front-end systems, including monorepo governance and design system adoption across globally distributed teams
- Champion best practices in TDD, code review, and AI-assisted development tooling
- Liaise with UI leads, UX, Product, and Sales groups to translate business requirements into robust technical solutions
- Mentor junior engineers and contribute to team growth and delivery standards
Requirements
- Solid experience building and deploying complex web application platforms in production
- Demonstrated experience profiling and optimising high throughput React applications (Web Workers, virtual rendering, memory management)
- Experience with desktop containers: Chromium, Electron, or OpenFin; familiarity with FDC3 for cross-application interoperability
- Experience with real-time messaging systems: Kafka, Solace, or Tibco
- Experience with CI/CD pipelines (Jenkins or equivalent) and Agile methodologies
- Strong communication skills with experience in globally distributed teams
- Experience building real-time trading platforms
- FX or Fixed Income product knowledge
- Java REST API development experience
- Familiarity with AI-assisted development tools
Skills
- TypeScript
- React
- HTML5
- CSS
- JavaScript (ES6+)
- OpenFin
- FDC3
- Kafka
- Solace
- Tibco
- Jenkins
- GitHub Copilot
Location
- London
Work Type
- Hybrid
- Full time
Experience Level
- Senior
- Vice President
Salary/Compensations
- Competitive base salary (annually reviewed)
Benefits
- 27 days annual leave (plus bank holidays)
- A discretional 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
About the Company
- Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.
Equal Opportunity
- 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.
- If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.
- View Citi’s EEO Policy Statement and the Know Your Rights poster.