Front Office C# Senior Developer - VP

Role: Front Office C# Senior Developer - VPLocation: LondonContract: 6 Months (PAYE)You will be joining an exciting team on a new project to deliver several new global services used directly by the business. These will be used by over 380 users and represent a key part of our strategy. This strategy is to transform our area delivering new services with next generation technology and modern practices.We are replacing older C++ services - whose function and requirements have changed compared to today. As part of this work, analysis of the existing system and requirement discovery will be needed. This is a great opportunity to deliver improvements for the firm. All of these sub-projects offer great exposure to linear products and working with the business. Technical and System Performance CalibrationC# Mastery (threading, memory management, and concurrency)High-Availability (active-active, hot-hot, zero-downtime distributed systems)Messaging experience (Solace or similar like Kafka/RabbitMQ)Backend focus with UI-awareness for BFF interactionMust Have C# Real time data/streaming API design experience Server side development experience (threading, memory management, performance) Desirable K8S AI/LLM experience (e.g. Claude, Codex, Agents and Agentic flow) Modernization and Domain ExpertiseLegacy code analysis (ability to dissect existing C++ systems)Financial domain knowledge (Fixed Income, bond curves, capital markets)Evaluating Ownership Mindset (No BA, No QA)Direct business ..... full job details .....