Senior Developer C# React Investment Banking

Company: Talan
Apply for the Senior Developer C# React Investment Banking
Location: London
Job Description:

About Talan


At Talan, we deliver technology solutions in partnership with leading global clients. We are currently supporting one of our long standing clients in building and enhancing a front office risk and valuation platform used in a fast paced, real time environment.


The Role


We are seeking a hands on Senior Developer to join a high impact technology team responsible for risk, valuation, and decision support systems. You will work across the full stack, collaborating closely with business users and technical peers in a dynamic, agile setting.


Key Responsibilities



  • Design and deliver high quality features across UI, backend services, and data layers

  • Collaborate directly with stakeholders to refine requirements and deliver practical solutions

  • Contribute to system design, code reviews, and continuous improvement

  • Support live systems and participate in an on-call rota

  • Work in a fast paced environment balancing quick deliveries with longer term enhancements

  • Frontend: TypeScript, React

  • Integration with pricing / computational services


Requirements



  • Solid knowledge of TypeScript and React

  • Experience with relational databases (PostgreSQL preferred)

  • Ability to work in fast-paced, collaborative environments with evolving requirements

  • Strong communication skills and proactive mindset

  • Experience with risk/valuation systems or real-time platforms

  • Exposure to financial products (e.g., derivatives)

  • Knowledge of distributed or data-intensive systems


Working Model



  • Hybrid: 3 days per week in the London office

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Posted: October 12th, 2026