C# .Net Developer

Randstad Technologies Recruitment
📍 London, London, United Kingdom 💼 Full-time 🕒 Posted June 27, 2026

Job Description

Senior C# / .NET Developer (Securities Lending & Repo)

Role Type: 6-Month Contract
Location: London (Hybrid - 3 days onsite per week)
IR35 Status: Inside IR35

Role Overview

A leading global financial services and asset servicing institution is seeking an experienced Senior C# / .NET Developer to join a business-critical technology team in London.

This role focuses on designing, building, and supporting high-performance platforms for the firm's financing-related businesses, with a primary emphasis on Securities Lending and Repo workflows.

Required Skills & Experience

Core Technical Skills:

Strong hands-on expertise in C# and .NET / .NET Core.
Deep understanding of Object-Oriented Programming (OOP) and architectural design principles.
Proven experience building and implementing REST / JSON APIs.
Solid experience with relational databases (e.g., SQL Server).
Familiarity with unit/integration testing and automated ...

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Job Details

  • Location London, London
  • Job Type Full-time
  • Category computer-and-mathematical
  • Posted Date June 27, 2026
  • Application Deadline August 06, 2026