C# Software Engineer | Front Office Trading | Investment Bank

Job Description

C# Software Engineer | Front Office Trading Technology | Investment Bank

\n

London-based | £120,000 - £135,000 + bonus + benefits

\n

C# | .NET | Cloud | Trading Systems | DevOps | API Development

\n

\n

The Role:

\n

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.

\n

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.

\n

What You Will Be Doing:

\n

\n
• Deliver enhancements and new capability across a high-impact trading technology platform
\n
• Design and build scalable applications, services and APIs using modern .NET technologies
\n
• Contribute to architectural decisions and longer-term technology strategy
\n
• Drive improvements around automation, resilience, performance and operational efficiency
\n
• Partner closely with engineering and business stakeholders to translate requirements into practical solutions
\n
• Support the migration of legacy applications towards modern cloud-native architectures
\n

\n

What You Bring:

\n

\n
• Strong software engineering capability across C# and .NET
\n
• Experience working with relational databases such as Oracle, SQL Server or PostgreSQL
\n
• Knowledge of API design and distributed application development
\n
• Exposure to modern engineering practices including DevOps, CI/CD and automated testing
\n
• Experience modernising or migrating legacy applications to current .NET platforms
\n
• Cloud experience across AWS, GCP or similar enterprise cloud environments
\n

\n

\n

The Package:

\n

\n
• Competitive base salary in the region of £120,000 - £135,000
\n
• Performance-related bonus
\n
• Comprehensive benefits package
\n
• Hybrid working model
\n
• Opportunity to influence the evolution of a strategically important trading technology estate
\n