C# .NET / REACT Developer

talan· Engineering & Development IT
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📍 England📍 London📍 London, England, United Kingdom📍 gbFull time

About this role

Company Description

Job Description

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.

Key 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

Qualifications

Additional Information

#TalanUK

Frequently Asked Questions

Is the salary disclosed for the C# .NET / REACT Developer position at talan?
The salary for this C# .NET / REACT Developer role at talan is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the C# .NET / REACT Developer position at talan located?
This C# .NET / REACT Developer role at talan is based in England, London, London, England, United Kingdom, gb. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the C# .NET / REACT Developer role at talan full-time or part-time?
This is listed as a Full time position. It is posted as a C# .NET / REACT Developer role in the Engineering & Development IT department at talan.
Which team or department does the C# .NET / REACT Developer at talan belong to?
This C# .NET / REACT Developer position is part of the Engineering & Development IT department at talan. See the full job description for more information about the team structure and responsibilities.
How do I apply for the C# .NET / REACT Developer position at talan?
Click the "Apply Now" button on this page. You will be redirected to talan's official application portal hosted on smartrecruiters where you can submit your application directly.
When was the C# .NET / REACT Developer job at talan posted?
This C# .NET / REACT Developer position at talan was posted on Jun 12, 2026. Apply as soon as possible — early applications are often reviewed first.
C# .NET / REACT Developer
talan
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