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Senior Developer C# React Investment Banking

London, England, gb💼 Full-time🗓 2026-04-27 → 2026-09-25

Core

Design and deliver high quality features across UI, backend services, and data layers for a front office risk and valuation platform.

Role type

Senior Full Stack Developer

Builds

Front office risk, valuation, and decision support systems

Domain

Financial Technology / Investment Banking

Deliverable

product features

Required skills

C# backend development, TypeScript, React, PostgreSQL, system design, code reviews

Preferred skills

risk/valuation systems, real-time platforms, financial products (derivatives), distributed or data-intensive systems

Technologies

TypeScript, React, C#, .NET, PostgreSQL

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

Seniority

Senior, hands-on IC

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