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Contract

Cortex FX Full Stack Developer

Lorien
London
money-bag £10000 - £500000 Annual
Posted: 26 October 2026 (Today)
Closing date: 25 November 2026
Ref: 3202994745

Senior Full Stack Developer (Front Office Trading)6-Month Contract London/Hybrid Working Competitive Day RateThe OpportunityWe are currently seeking an experienced Senior Full Stack Developer to join a high-performing Front Office technology team within a leading global investment banking environment.You will play a key role in the development and enhancement of mission-critical electronic trading platforms supporting FX and Fixed Income products. Working within a globally distributed Agile team, you''ll contribute to the evolution of a next-generation trading ecosystem, delivering scalable, high-performance applications used by traders, sales teams, and clients worldwide.This is an exciting opportunity for a developer with strong JavaScript/TypeScript and .NET or Java expertise, ideally gained within electronic trading, capital markets, or Real Time financial systems.The RoleAs a Senior Developer, you will be involved throughout the full software development life cycle, contributing to architecture, design, development, testing, and deployment activities.You''ll work on a suite of Front Office applications undergoing significant transformation, including platform modernisation, UI convergence, service modularisation, and scalability improvements to support future business growth.Key ResponsibilitiesDesign, develop and maintain high-performance Front Office trading applications.Participate in an Agile software development life cycle including technical analysis, development, ..... full job details .....

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