C# Trading Developer

A leading financial services organization is seeking a Senior Software Engineer to support and enhance mission-critical applications within a complex investment technology environment. This role will focus on building reliable software, improving system performance, supporting production issues, and partnering closely with business and technology stakeholders. The ideal candidate is a hands-on engineer with strong C#/.NET and SQL experience, solid application design skills, and experience supporting business-critical financial systems. What You'll Tackle: • Design, develop, and maintain applications supporting investment and transaction workflows. • Build and enhance software using C#, .NET, and SQL Server. • Partner with business users, compliance teams, and technology stakeholders to translate requirements into reliable solutions. • Troubleshoot production issues and deliver timely, effective resolutions. • Improve application performance, scalability, and reliability. • Support software engineering best practices, including design patterns, unit testing, code reviews, and CI/CD. • Contribute to modernization efforts across legacy and current-state platforms. • Mentor junior developers and help promote development standards. • Support integrations with enterprise platforms, data services, and workflow systems. What You Bring: • 8+ years of hands-on software development experience. • Strong C#/.NET Core and SQL Server expertise. • Experience supporting financial services, investment management, or enterprise transaction platforms. • Experience with trading platforms, order management systems, or similar business-critical applications. • Strong understanding of object-oriented programming, SOLID principles, design patterns, and service-oriented architecture. • Ability to troubleshoot production applications in time-sensitive environments. • Strong analytical, reasoning, and problem-solving skills. • Strong written and verbal communication skills. • Bachelor's degree in Computer Science or a related field. Nice to Have: • Experience with buy-side trading platforms or order management systems. • Microservices architecture experience. • Azure Services and Azure DevOps experience. • CI/CD pipeline experience. • Kafka or real-time data processing experience. • Angular or another modern front-end framework. What Success Looks Like: • Reliable delivery of high-quality software supporting critical business workflows. • Improved application performance, stability, and maintainability. • Strong collaboration with business and technology stakeholders. • Effective troubleshooting and production support. • Contribution to modernization, automation, and engineering best practices.