Full job description C# Software Engineer | Front Office Trading Technology | Investment Bank
London-based | £120,000 - £135,000 + bonus + benefits
C# | .NET | Cloud | Trading Systems | DevOps | API Development
The Role:
A major financial services organisation is looking for a Software Engineer to help modernise and enhance a business-critical trading platform used by front office teams.
This is a hands-on engineering role with genuine influence over technology direction, offering the opportunity to work on large-scale platform transformation, modern engineering practices, and cloud adoption within a fast-moving environment.
What You Will Be Doing:
*Deliver enhancements and new capability across a high-impact trading technology platform
*Design and build scalable applications, services and APIs using modern .NET technologies
*Contribute to architectural decisions and longer-term technology strategy
*Drive improvements around automation, resilience, performance and operational efficiency
*Partner closely with engineering and business stakeholders to translate requirements into practical solutions
*Support the migration of legacy applications towards modern cloud-native architectures
What You Bring:
*Strong software engineering capability across C# and .NET
*Experience working with relational databases such as Oracle, SQL Server or PostgreSQL
*Knowledge of API design and distributed application development
*Exposure to modern engineering practices including DevOps, CI/CD and automated testing
*Experience modernising or migrating legacy applications to current .NET platforms
*Cloud experience across AWS, GCP or similar enterprise cloud environments
The Package:
*Competitive base salary in the region of £120,000 - £135,000
*Performance-related bonus
*Comprehensive benefits package
*Hybrid working model
*Opportunity to influence the evolution of a strategically important trading technology estate