Senior Software Developer** (Contract) Location: London/Hybrid (3 days per week on site) Rate: A highly competitive salary is available for suitable candidates This role focus on the development and support of systems responsible for back-office integration and Repo trading workflows. The positions require strong technical skills, familiarity with trade lifecycle processes, and the ability to work across front to back teams to ensure accurate and timely data flows. Develop and maintain applications that integrate Fixed Income and Repo trades with downstream back office, settlement, and risk systems. Support and enhance the Repo trading application, including trading workflow tools, reconciliations, and connectivity with internal and external platforms. Build and optimize C# services that ensure robust trade capture, enrichment, validation, and distribution. Troubleshoot production issues, perform root cause analysis, and implement long term system enhancements. Participate in architectural discussions and contribute to decisions around system design, data models, and integration patterns. Strong C#/.NET development experience in Windows environments. Experience with system integration, messaging technologies, and data transformation. We will respond to all successful applicants ASAP however, please be advised that we will always look to contact you further from this time should we need further applicants or if other opportunities arise relevant to your skillset. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. As part of our standard hiring process to manage risk, please note background screening checks will be conducted on all hires before commencing employment. We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants.