https://jobs.co.uk/job/front-office-c-senior-developer-vp-barclays--0f48ec9c-4e78-44c7-90ee-eab3263abf27 RSS feed for Front Office C# Senior Developer - VP at Barclays. en-gb Thu, 27 Aug 2026 19:55:04 GMT https://jobs.co.uk/job/front-office-c-senior-developer-vp-barclays--0f48ec9c-4e78-44c7-90ee-eab3263abf27 https://jobs.co.uk/job/front-office-c-senior-developer-vp-barclays--0f48ec9c-4e78-44c7-90ee-eab3263abf27 Thu, 27 Aug 2026 11:52:30 GMT Location: Tower Hamlets | Salary: 10000-500000 Annual | Type: Permanent | 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) Desirab... Permanent