1 month ago
Bromley, United KingdomStaff+
Responsibilities
- Lead the UI roadmap, front-end architecture, coding standards, architecture decisions, and code reviews for the Single Dealer Platform.
- Build React, TypeScript, and RxJS interfaces for live market data, pricing, RFQ, order entry, trade capture, risk, and P&L workflows.
- Design modular, reusable, testable components and accessible design-system primitives aligned with WCAG 2.1 AA+.
- Optimize rendering performance through virtualization, memoization, profiling, and concurrent UI features for large data sets.
- Implement resilience patterns including graceful degradation, network fallbacks, retry and backoff, and circuit breakers.
- Drive automated unit, integration, and end-to-end testing, CI/CD quality gates, observability, analytics, and secure front-end practices.
- Collaborate with product, UX, pricing, execution, risk, infrastructure, and trading teams to deliver iterative platform improvements.
Requirements
- Solid experience building web applications with TypeScript and React, plus at least 3 years in a senior or lead role.
- Experience with WebSockets, Server-Sent Events, WebRTC, or other high-performance bidirectional streaming technologies.
- Strong RxJS or equivalent observable experience and production reactive architecture expertise.
- Experience with GraphQL, Protobuf, FlatBuffers, or other schema-driven API design tools.
- Proven experience building real-time, low-latency UIs for market data, pricing, RFQ, execution, dashboards, or similar systems.
- Strong knowledge of state management and streaming/request-response data-flow patterns.
- Experience with Jest or Vitest, React Testing Library, Playwright, and mock or contract testing.
- Knowledge of XSS mitigation, content security policy, OAuth/OIDC/JWT authentication, secure storage, and anti-phishing UX.
- Experience with CI/CD and feature-flagged rollouts in regulated environments.
- Strong communication skills and the ability to build consensus across engineering, product, and trading teams.
- Capital markets knowledge and experience with micro frontends, Module Federation, single-spa, shared design systems, AG Grid, complex data-heavy UIs, and NPM package publishing are helpful.
Benefits
- Private healthcare for employees and families, annual health screening, and access to virtual GP services.
- Competitive pension plan, life assurance, and group income protection cover.
- 26 weeks of paid maternity leave, 16 weeks of paid paternity leave, and inclusive family leave arrangements.
- Up to 20 days of backup childcare and 20 days of backup adult care annually, including access to school holiday clubs.
- Flexible benefits including a wellbeing account, travel insurance, critical illness cover, and cycle-to-work options.
- Free confidential counselling through the Employee Assistance Program.
- Payroll charity donations with company matching and access to Arts & Culture corporate membership discounts.
- Community volunteering opportunities and support for employee wellbeing.
- Bromley-based role under the company’s in-office culture with role-specific flexibility.
Tech Stack
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