https://jobs.co.uk/job/c-back-end-developer-mcgregor-boyall--4b947a24-57a9-41f7-ab3c-7ab519b61150 RSS feed for C# Back End Developer at McGregor Boyall. en-gb Thu, 23 Jul 2026 01:00:34 GMT https://jobs.co.uk/job/c-back-end-developer-mcgregor-boyall--4b947a24-57a9-41f7-ab3c-7ab519b61150 https://jobs.co.uk/job/c-back-end-developer-mcgregor-boyall--4b947a24-57a9-41f7-ab3c-7ab519b61150 Wed, 22 Jul 2026 11:52:31 GMT Location: London | Salary: 10000-500000 Annual | Type: Permanent | Senior Back End EngineerC#/Java | Front Office Trading | AWS | Distributed SystemsLocation: LondonHybrid: 3 days in the officeWe''re partnering with one of the world''s leading financial markets technology firms as they continue investing heavily in their electronic trading platforms.This is an opportunity to work directly with traders, architects and principal engineers building business critical trading systems that process high volumes of transactions in Real Time.Although the team primarily develops in C#, they are very open to experienced Java Back End engineers looking to transition into .NET.What you''ll be doingBuilding high performance Back End trading applicationsDesigning scalable distributed systemsDeveloping APIs and Back End servicesWorking closely with traders and Front Office stakeholdersContributing to architecture and technical designModernising cloud based infrastructureWorking across the full software development life cycleWhat they''re looking forStrong commercial C# or Java experienceTrading systems experience in any asset classFront Office technology experienceDistributed systems knowledgeCloud experience, ideally AWSGood understanding of software design prin... Permanent