> Markdown version of [/jobs/ext/3226582-senior-developer](https://www.wearedevelopers.com/jobs/ext/3226582-senior-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Developer - **Company:** Lorien - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** .NET Framework, Agile Methodology, C Sharp (Programming Language), Windows Presentation Foundation, Web Application Frameworks, AngularJS - **Published:** September 8, 2026 - **Apply:** https://www.collegerecruiter.com/job/2840617700-senior-developer ## About the Role * Strong experience in C# / .NET development * Experience with modern frontend frameworks (e.g., Angular or WPF) * Good understanding of financial markets and derivatives * Experience working in Front Office or trading environments preferred * Strong problem-solving and communication skills * Comfortable working in Agile delivery models ## Description We are looking for an experienced .NET/C# Developer to join a Front Office Commodities Markets IT team based in Central London. The role involves developing and supporting business-critical trading applications, working closely with Front Office users and global technology teams in a fast-paced financial markets environment., * Design, develop, and maintain Front Office trading applications * Work closely with traders and business stakeholders to gather requirements * Enhance system performance, scalability, and reliability * Provide support for pre-trade and pricing tools * Contribute to architecture and technology decisions * Ensure compliance with development standards and governance