Senior Developer C# React Investment Banking

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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.

Job Description

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

Technology Stack

  • Frontend: TypeScript, React
  • Backend: C# / .NET
  • Database: PostgreSQL
  • Integration with pricing / computational services

Requirements

  • Strong C# backend development experience
  • 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

Desirable

  • 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
  • Collaboration with global teams

Additional Information

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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.

Job Description

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

Technology Stack

  • Frontend: TypeScript, React
  • Backend: C# / .NET
  • Database: PostgreSQL
  • Integration with pricing / computational services

Requirements

  • Strong C# backend development experience
  • 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

Desirable

  • 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
  • Collaboration with global teams

Additional Information

#J-18808-Ljbffr…

Posted: May 10th, 2026