C# .NET / REACT Developer

Responsibilities

• Design, develop and maintain front-office applications, components and utilities
• Contribute across the full software development lifecycle (analysis, design, development, testing, deployment, and support)
• Build and deliver high-performance, scalable applications
• Develop RESTful APIs and modern UI applications using React
• Engage directly with business stakeholders to understand requirements and deliver value-driven solutions
• Collaborate with production support teams to ensure smooth releases and system stability
• Provide third-line support and assist with troubleshooting production incidents
• Contribute to code reviews and continuous improvement initiatives
• Skills & Experience (Required)
• Strong development experience in C# / .NET & REACT (server-side and/or full-stack)
• Experience building web-based applications and RESTful APIs
• Solid experience with relational databases and SQL
• Experience with modern JavaScript frameworks, particularly React
• Strong understanding of application performance and optimisation
• Excellent communication skills, both written and verbal
• Experience working in agile, collaborative environments
• Experience within investment banking or capital markets environments
• Knowledge of front office systems (FX, Rates, Credit, or derivatives)
• Experience with multi-threaded or distributed systems
• Familiarity with CI/CD tools (e.g. Jenkins, TeamCity) and deployment tools (e.g. Ansible)
• Strong analytical and problem-solving skills
• #TalanUK

Additional Information

C# .NET / REACT Developer Location - London On-Prem 3 Days per Week Talan is seeking a skilled C# .NET Developer with REACT experience to join our delivery teams working on Front Office platforms within Global Markets environments . In this role, you will design, build, and enhance regulatory, alerting, and sales enablement solutions , supporting front-office users in fast-paced trading environments. You will work at the intersection of business and technology , delivering high-performance applications that directly impact sales and trading activities. You will contribute to the development of front-office sales and trading tools within a Global Markets ecosystem, supporting a range of business-critical applications. Operating in a distributed agile environment , you will collaborate with: Front office stakeholders (sales & trading) Application support and production teams QA and testing teams Distributed delivery teams across Europe and globally This role offers exposure to complex, real-time systems within capital markets.

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